1
                                                                Exhibit 1.1

                               2,600,000 SHARES

                               ACCELGRAPHICS, INC.

                                  COMMON STOCK

                             UNDERWRITING AGREEMENT




COWEN & COMPANY
ROBERTSON, STEPHENS & COMPANY LLC
SOUNDVIEW FINANCIAL GROUP, INC.
As Representatives of the several Underwriters
c/o Cowen & Company
Financial Square
New York,
New York 10005

Dear Sirs:


1.        Introductory. AccelGraphics, Inc., a Delaware corporation (the
          "Company"), and the selling stockholders named in Schedule B hereto
          (the "Selling Stockholders") propose to sell, pursuant to the terms of
          this Agreement, to the several underwriters named in Schedule A hereto
          (the "Underwriters," or, each, an "Underwriter"), an aggregate of
          2,600,000 shares of Common Stock, $.001 par value (the "Common Stock")
          of the Company. The aggregate of 2,600,000 shares so proposed to be
          sold is hereinafter referred to as the "Firm Stock." The Company and
          the Selling Stockholders listed in Schedule B hereto also propose to
          sell to the Underwriters, upon the terms and conditions set forth in
          Section 3 hereof, up to an additional 390,000 shares of Common Stock
          (the "Optional Stock"). The Firm Stock and the Optional Stock are
          hereinafter collectively referred to as the "Stock." Cowen & Company
          ("Cowen"), Robertson, Stephens & Company LLC and SoundView Financial
          Group, Inc. are acting as representatives of the several Underwriters
          and in such capacity are hereinafter referred to as the
          "Representatives."


2.        (a) Representations and Warranties of the Company. The Company
              represents and warrants to, and agrees with, the several
              Underwriters that:

          (i)       A registration statement on Form SB-2 (File No. 333-_______)
                    in the form in which it became or becomes effective and also
                    in such form as it may be when any post-effective amendment
                    thereto shall become effective with respect to the Stock,
                    including any preeffective prospectuses included as part of
                    the registration statement as originally filed or as part of
                    any amendment or supplement thereto, or filed pursuant to
                    Rule 424 under the Securities Act of 1933, as amended (the
                    "Securities Act"), and the rules and regulations (the "Rules
                    and Regulations") of the Securities and Exchange Commission
                    (the "Commission") thereunder, copies of which have
                    heretofore been delivered to you, has been carefully
                    prepared by the Company in conformity with the requirements
                    of the Securities Act and has been filed with the Commission
                    under the Securities Act; one or more amendments to such
                    registration statement, including in each case an amended







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                    preeffective prospectus, copies of which amendments have
                    heretofore been delivered to you, have been so prepared and
                    filed. If it is contemplated, at the time this Agreement is
                    executed, that a post-effective amendment to the
                    registration statement will be filed and must be declared
                    effective before the offering of the Stock may commence, the
                    term "Registration Statement" as used in this Agreement
                    means the registration statement as amended by said
                    post-effective amendment. The term "Registration Statement"
                    as used in this Agreement shall also include any
                    registration statement relating to the Stock that is filed
                    and declared effective pursuant to Rule 462(b) under the
                    Securities Act. The term "Prospectus" as used in this
                    Agreement means the prospectus in the form included in the
                    Registration Statement, or, (A) if the prospectus included
                    in the Registration Statement omits information in reliance
                    on Rule 430A under the Securities Act and such information
                    is included in a prospectus filed with the Commission
                    pursuant to Rule 424(b) under the Securities Act, the term
                    "Prospectus" as used in this Agreement means the prospectus
                    in the form included in the Registration Statement as
                    supplemented by the addition of the Rule 430A information
                    contained in the prospectus filed with the Commission
                    pursuant to Rule 424(b) and (B) if prospectuses that meet
                    the requirements of Section 10(a) of the Securities Act are
                    delivered pursuant to Rule 434 under the Securities Act,
                    then (i) the term "Prospectus" as used in this Agreement
                    means the "prospectus subject to completion" (as such term
                    is defined in Rule 434(g) under the Securities Act) as
                    supplemented by (a) the addition of Rule 430A information or
                    other information contained in the form of prospectus
                    delivered pursuant to Rule 434(b)(2) under the Securities
                    Act or (b) the information contained in the term sheets
                    described in Rule 434(b)(3) under the Securities Act, and
                    (ii) the date of such prospectuses shall be deemed to be the
                    date of the term sheets. The term "Preeffective Prospectus"
                    as used in this Agreement means the prospectus subject to
                    completion in the form included in the Registration
                    Statement at the time of the initial filing of the
                    Registration Statement with the Commission, and as such
                    prospectus shall have been amended from time to time prior
                    to the date of the Prospectus.

          (ii)      The Commission has not issued or, to the Company's
                    knowledge, threatened to issue any order preventing or
                    suspending the use of any Preeffective Prospectus, and, at
                    its date of issue, each Preeffective Prospectus conformed in
                    all material respects with the requirements of the
                    Securities Act and did not include any untrue statement of a
                    material fact or omit to state a material fact required to
                    be stated therein or necessary to make the statements
                    therein, in light of the circumstances under which they were
                    made, not misleading, other than any such nonconformance or
                    untrue statement or omission in a Preeffective Prospectus
                    that has been corrected in the Prospectus; and, when the
                    Registration Statement becomes effective and at all times
                    subsequent thereto up to and including each of the Closing
                    Dates (as hereinafter defined), the Registration Statement
                    and the Prospectus and any amendments or supplements thereto
                    contained and will contain all material statements and
                    information required to be included therein by the
                    Securities Act and conformed and will conform in all
                    material respects to the requirements of the Securities Act
                    and neither the Registration Statement nor the Prospectus,
                    nor any amendment or supplement thereto, included or will
                    include any untrue statement of a material fact or omit to
                    state any material fact required to be stated therein or
                    necessary to make the statements therein, in light of the
                    circumstances under which they were made, not misleading;
                    provided, however, that the foregoing representations,
                    warranties and agreements shall not apply to information
                    contained in or omitted from any Preeffective Prospectus or
                    the Registration Statement or the Prospectus or any such
                    amendment or supplement thereto in reliance upon, and in
                    conformity with, written information furnished to the
                    Company by or on behalf of any 





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                    Underwriter, directly or through you, or by any Selling
                    Stockholder, specifically for use in the preparation
                    thereof; there is no franchise, lease, contract, agreement
                    or document required to be described in the Registration
                    Statement or Prospectus or to be filed as an exhibit to the
                    Registration Statement which is not described or filed
                    therein as required; and all descriptions of any such
                    franchises, leases, contracts, agreements or documents
                    contained in the Registration Statement are accurate and
                    complete descriptions of such documents in all material
                    respects.

          (iii)     Subsequent to the respective dates as of which information
                    is given in the Registration Statement and Prospectus, and
                    except as set forth or contemplated in the Prospectus,
                    neither the Company nor any of its subsidiaries has incurred
                    any material liabilities or obligations, direct or
                    contingent, nor entered into any transactions not in the
                    ordinary course of business, and there has not been any
                    material adverse change in the condition (financial or
                    otherwise), properties, business, management, net worth or
                    results of operations of the Company and its subsidiaries
                    considered as a whole, or any change in the capital stock,
                    short-term or long-term debt of the Company and its
                    subsidiaries considered as a whole.

          (iv)      The consolidated financial statements, together with the
                    related notes and schedules, set forth in the Prospectus in
                    the Registration Statement fairly present the financial
                    position and the results of operations and changes in
                    financial position of the Company and its consolidated
                    subsidiaries at the respective dates or for the respective
                    periods therein specified. Such statements and related notes
                    have been prepared in accordance with generally accepted
                    accounting principles applied on a consistent basis except
                    as may be set forth in the Prospectus. The selected
                    financial and statistical data set forth in the Prospectus
                    under the captions "Prospectus Summary -- Summary
                    Consolidated Financial Data" and "Selected Consolidated
                    Financial Data" fairly present, on the basis stated in the
                    Registration Statement, the information set forth therein.

          (v)       The Company and each of its subsidiaries have been duly
                    organized and are validly existing and in good standing as
                    corporations under the laws of their respective
                    jurisdictions of organization, with power and authority
                    (corporate and other) to own or lease their properties and
                    to conduct their businesses as described in the Prospectus;
                    the Company is and each of its subsidiaries are in
                    possession of and operating in compliance with all material
                    franchises, grants, authorizations, licenses, permits,
                    easements, consents, certificates and orders required for
                    the conduct of its business, all of which are valid and in
                    full force and effect; and the Company is and each of such
                    subsidiaries is duly qualified to do business and in good
                    standing as foreign corporations in all other jurisdictions
                    where their ownership or leasing of properties or the
                    conduct of their businesses requires such qualification,
                    except where failure to so qualify would not have a material
                    adverse effect on the Company and its subsidiaries taken as
                    a whole. The Company and each of its subsidiaries have all
                    requisite power and authority, and all necessary consents,
                    approvals, authorizations, orders, registrations,
                    qualifications, licenses and permits of and from all public
                    regulatory or governmental agencies and bodies to own, lease
                    and operate their properties and conduct their business as
                    now being conducted and as described in the Registration
                    Statement and the Prospectus, and no such consent, approval,
                    authorization, order, registration, qualification, license
                    or permit contains a materially burdensome restriction not
                    adequately disclosed in the Registration Statement and the
                    Prospectus. The Company owns or controls, directly or
                    indirectly, only the corporations, associations or other
                    entities set forth in Exhibit 21.1 to the Registration
                    Statement.






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          (vi)      The Company's authorized and outstanding capital stock will
                    be on the Closing Dates as set forth under the heading
                    "Capitalization" in the Prospectus; the outstanding shares
                    of Common Stock (including the outstanding shares of Stock)
                    of the Company conform to the description thereof in the
                    Prospectus; the outstanding shares of Common Stock have been
                    duly authorized and validly issued and are fully paid and
                    nonassessable; and the outstanding shares of Common Stock
                    are duly listed on the Nasdaq National Market and have been
                    issued in compliance with all federal and state securities
                    laws and were not issued in violation of or subject to any
                    preemptive rights or similar rights to subscribe for or
                    purchase securities and conform to the description thereof
                    contained in the Prospectus. Except as disclosed in and or
                    contemplated by the Prospectus and the consolidated
                    financial statements of the Company and related notes
                    thereto included in the Prospectus, the Company does not
                    have outstanding any options or warrants to purchase, or any
                    preemptive rights or other rights to subscribe for or to
                    purchase any securities or obligations convertible into, or
                    any contracts or commitments to issue or sell, shares of its
                    capital stock or any such options, rights, convertible
                    securities or obligations, except for options granted
                    subsequent to the date of information provided in the
                    Prospectus pursuant to the Company's employee and stock
                    option plans as disclosed in the Prospectus. The description
                    of the Company's stock option and other stock plans or
                    arrangements, and the options or other rights granted or
                    exercised thereunder, as set forth in the Prospectus,
                    accurately and fairly presents the information required to
                    be shown with respect to such plans, arrangements, options
                    and rights. All outstanding shares of capital stock of each
                    subsidiary have been duly authorized and validly issued, and
                    are fully paid and nonassessable and (except for directors'
                    qualifying shares) are owned directly by the Company or by
                    another wholly owned subsidiary of the Company free and
                    clear of any liens, encumbrances, equities or claims.

          (vii)     The Stock to be issued and sold by the Company to the
                    Underwriters hereunder has been duly and validly authorized
                    and, when issued and delivered against payment therefor as
                    provided herein, will be duly and validly issued, fully paid
                    and nonassessable and free of any preemptive or similar
                    rights and will conform to the description thereof in the
                    Prospectus.

          (viii)    Except as set forth in the Prospectus, there are no legal or
                    governmental proceedings pending to which the Company or any
                    of its subsidiaries is a party or of which any property of
                    the Company or any subsidiary is subject, which, if
                    determined adversely to the Company or any such subsidiary,
                    might individually or in the aggregate (A) prevent or
                    adversely affect the transactions contemplated by this
                    Agreement, (B) suspend the effectiveness of the Registration
                    Statement, (C) prevent or suspend the use of the
                    Preeffective Prospectus in any jurisdiction or (D) result in
                    a material adverse change in the condition (financial or
                    otherwise), properties, business, management, net worth or
                    results of operations of the Company and its subsidiaries
                    considered as a whole and the Company is not aware of any
                    valid basis for any such legal or governmental proceeding;
                    and to the Company's knowledge no such proceedings are
                    threatened or contemplated against the Company or any
                    subsidiary by governmental authorities or others. The
                    Company is not a party nor subject to the provisions of any
                    material injunction, judgment, decree or order of any court,
                    regulatory body or other governmental agency or body. The
                    description of the Company's litigation under the heading
                    "Legal Proceedings" in the Prospectus is true and correct
                    and complies with the Rules and Regulations.

          (ix)      The execution, delivery and performance of this Agreement
                    and the consummation of the transactions herein contemplated
                    (A) will not result in any violation of the







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                    provisions of the certificate of incorporation, bylaws or
                    other organizational documents of the Company or any
                    subsidiary, or to the knowledge of the Company any law,
                    order, rule or regulation of any court or governmental
                    agency or body having jurisdiction over the Company or any
                    subsidiary or any of their properties or assets, and (B)
                    will not result in a breach or violation of any of the terms
                    or provisions of or constitute a default under any
                    indenture, mortgage, deed of trust, loan agreement or other
                    agreement or instrument to which the Company or any of its
                    subsidiaries is a party or by which it or any of its
                    properties is or may be bound.

          (x)       No consent, approval, authorization or order of any court or
                    governmental agency or body is required for the execution,
                    delivery and performance of this Agreement by the Company
                    and the consummation of the transactions contemplated
                    hereby, except such as may be required by the National
                    Association of Securities Dealers, Inc. (the "NASD") or
                    under the Securities Act or the Securities Exchange Act of
                    1934, as amended (the "Exchange Act") or the securities or
                    "Blue Sky" laws of any jurisdiction in connection with the
                    purchase and distribution of the Stock by the Underwriters.

          (xi)      The Company has the full corporate power and authority to
                    enter into this Agreement and to perform its obligations
                    hereunder (including to issue, sell and deliver the Stock),
                    and this Agreement has been duly and validly authorized,
                    executed and delivered by the Company and is a valid and
                    binding obligation of the Company, enforceable against the
                    Company in accordance with its terms, except to the extent
                    that rights to indemnity and contribution hereunder may be
                    limited by federal or state securities laws or the public
                    policy underlying such laws and by applicable bankruptcy,
                    insolvency and other similar laws affecting conditions,
                    rights and rules of law governing specific performance,
                    injunctive relief and other equitable remedies.

          (xii)     The Company and its subsidiaries are, in all material
                    respects, in compliance with, and conduct their businesses
                    in conformity with, all applicable federal, state, local and
                    foreign laws, rules and regulations or any court or
                    governmental agency or body; to the knowledge of the
                    Company, otherwise than as set forth in the Registration
                    Statement and the Prospectus, no prospective change in any
                    of such federal or state laws, rules or regulations has been
                    adopted which, when made effective, would have a material
                    adverse effect on the operations of the Company and its
                    subsidiaries. Except as disclosed in the Registration
                    Statement, to its knowledge the Company and its subsidiaries
                    are in compliance with all applicable existing federal,
                    state, local and foreign laws and regulations relating to
                    the protection of human health or the environment or
                    imposing liability or requiring standards of conduct
                    concerning any Hazardous Materials ("Environmental Laws"),
                    except for such instances of noncompliance which, either
                    singly or in the aggregate, would not have a material
                    adverse effect. The term "Hazardous Material" means (A) any
                    "hazardous substance" as defined by the Comprehensive
                    Environmental Response, Compensation and Liability Act of
                    1980, as amended, (B) any "hazardous waste" as defined by
                    the Resource Conservation and Recovery Act, as amended, (C)
                    any petroleum or petroleum product, (D) any polychlorinated
                    biphenyl and (E) any pollutant or contaminant or hazardous,
                    dangerous or toxic chemical, material, waste or substance
                    regulated under or within the meaning of any other
                    Environmental Law.

          (xiii)    The Company and its subsidiaries have filed all necessary
                    federal, state, local and foreign income, payroll, franchise
                    and other tax returns and have paid all taxes shown as due
                    thereon or with respect to any of their properties, and
                    there is no tax deficiency that has been, or to the
                    knowledge of the Company is likely to be, asserted against
                    the







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                    Company or any of its subsidiaries or any of their
                    respective properties or assets that would have a material
                    adverse effect on the financial position, business or
                    operations of the Company and its subsidiaries.

          (xiv)     No person or entity has the right to require registration of
                    shares of Common Stock or other securities of the Company
                    because of the filing or effectiveness of the Registration
                    Statement or otherwise, except for persons and entities who
                    have expressly waived such right or who have been given
                    proper notice and have failed to exercise such right within
                    the time or times required under the terms and conditions of
                    such right.

          (xv)      Neither the Company nor any of its officers has taken or
                    will take, directly or indirectly, any action designed or
                    intended to stabilize or manipulate the price of any
                    security of the Company, or which caused or resulted in, or
                    which might in the future reasonably be expected to cause or
                    result in, stabilization or manipulation of the price of any
                    security of the Company.

          (xvi)     To the Company's knowledge, the Company and its subsidiaries
                    own or possess the right to use all patents described in the
                    Prospectus as being owned by them or any of them or
                    necessary for the conduct of their respective businesses;
                    the Company and its subsidiaries own or possess the right to
                    use all trademarks (including "AccelGraphics" and the other
                    trademarks listed in the Prospectus), trademark
                    registrations, service marks, service mark registrations,
                    trade names, copyrights, licenses, inventions, trade secrets
                    and rights described in the Prospectus as being owned by
                    them or any of them or necessary for the conduct of their
                    respective businesses; and the Company is not aware of any
                    claim to the contrary or any challenge by any other person
                    to the rights of the Company and its subsidiaries with
                    respect to the foregoing. The Company's business as now
                    conducted does not and will not infringe or conflict with in
                    any material respect: (A) any registered trademarks or
                    service marks or copyrights; or (B) to the Company's
                    knowledge, patents, trade names, trade secrets, licenses or
                    other intellectual property or franchise right of any
                    person. Except as described in the Prospectus, the Company
                    has not received any claim alleging the infringement by the
                    Company of any patent, trademark, service mark, trade name,
                    copyright, trade secret, license in or other intellectual
                    property right or franchise right of any person.

          (xvii)    The Company and its subsidiaries have performed all material
                    obligations required to be performed by them under all
                    contracts required by Item 601(b)(10) of Regulation S-B
                    under the Securities Act to be filed as exhibits to the
                    Registration Statement, and neither the Company nor any of
                    its subsidiaries nor any other party to such contract is in
                    default under or in breach of any such obligations. Neither
                    the Company nor any of its subsidiaries has received any
                    notice of such default or breach.

          (xviii)   The Company is not involved in any labor dispute nor to the
                    Company's knowledge is any such dispute threatened. The
                    Company is not aware that (A) any executive, key employee or
                    significant group of employees of the Company or any
                    subsidiary plans to terminate employment with the Company or
                    any such subsidiary or (B) any such executive or key
                    employee is subject to any noncompete, nondisclosure,
                    confidentiality, employment, consulting or similar agreement
                    that would be violated by the present or proposed business
                    activities of the Company and its subsidiaries. Neither the
                    Company nor any subsidiary has or expects to have any
                    liability for any prohibited transaction or funding
                    deficiency or any complete or partial withdrawal liability
                    with respect to any pension, profit sharing or other plan
                    which is subject to the Employee Retirement Income Security
                    Act of 1974, as amended ("ERISA"), to which the Company or
                    any




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                    subsidiary makes or ever has made a contribution and in
                    which any employee of the Company or any subsidiary is or
                    has ever been a participant. With respect to such plans, the
                    Company and each subsidiary are in compliance in all
                    material respects with all applicable provisions of ERISA.

          (xix)     The Company has obtained the written agreement described in
                    Section 8(k) of this Agreement from each of its officers,
                    directors and holders of Common Stock.

          (xx)      The Company and its subsidiaries have, and the Company and
                    its subsidiaries as of the Closing Dates will have, good and
                    marketable title in fee simple to all real property and good
                    and marketable title to all personal property owned or
                    proposed to be owned by them which is material to the
                    business of the Company or of its subsidiaries, in each case
                    free and clear of all liens, encumbrances and defects,
                    except (A) such as are described the Prospectus, (B) liens
                    on property held by the lessor of property leased by the
                    Company, (C) the lien held by Kubota Corporation pursuant to
                    its subordinated convertible note in the original principal
                    amount of $3,300,000 or (D) such as would not have a
                    material adverse effect on the Company and its subsidiaries
                    considered as a whole; and any real property and buildings
                    held under lease by the Company and its subsidiaries or
                    proposed to be held after giving effect to the transactions
                    described in the Prospectus are, or will be as of each of
                    the Closing Dates, held by them under valid, subsisting and
                    enforceable leases with such exceptions as would not have a
                    material adverse effect on the Company and its subsidiaries
                    considered as a whole, in each case except as described in
                    or contemplated by the Prospectus.

          (xxi)     The Company and its subsidiaries are insured against losses
                    and risks and in such amounts as are customary in the
                    businesses in which they are engaged, and neither the
                    Company nor any subsidiary of the Company has any reason to
                    believe that it will not be able to renew its existing
                    insurance coverage as and when such coverage expires or to
                    obtain similar coverage from similar insurers as may be
                    necessary to continue their business at a cost that would
                    not materially and adversely affect the condition, financial
                    or otherwise, or the earnings, business or operations of the
                    Company and its subsidiaries considered as a whole, except
                    as described in or contemplated by the Prospectus.

          (xxii)    Other than as contemplated by this Agreement, there is no
                    broker, finder or other party that is entitled to receive
                    from the Company any brokerage or finder's fee or other fee
                    or commission as a result of any of the transactions
                    contemplated by this Agreement.

          (xxiii)   The Company has complied with all provisions of Section
                    517.075 Florida Statutes (Chapter 92-198; Laws of Florida).

          (xxiv)    The Company and each of its subsidiaries maintains a system
                    of internal accounting controls sufficient to provide
                    reasonable assurances that (A) transactions are executed in
                    accordance with management's general or specific
                    authorization; (B) transactions are recorded as necessary to
                    permit preparation of financial statements in conformity
                    with generally accepted accounting principles and to
                    maintain accountability for assets; (C) access to assets is
                    permitted only in accordance with management's general or
                    specific authorization; and (D) the recorded accountability
                    for assets is compared with existing assets at reasonable
                    intervals and appropriate action is taken with respect to
                    any differences.

          (xxv)     To the Company's knowledge, neither the Company nor any of
                    its subsidiaries nor any employee or agent of the Company or
                    any of its subsidiaries has made any payment of





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                    funds of the Company or any of its subsidiaries or received
                    or retained any funds in violation of any law, rule or
                    regulation, which payment, receipt or retention of funds is
                    of a character required to be disclosed in the Prospectus.

          (xxvi)    Each certificate signed by any officer of the Company and
                    delivered to the Underwriters or counsel for the
                    Underwriters shall be deemed to be a representation and
                    warranty by the Company as to the matters covered thereby.

          (xxvii)   To the Company's knowledge, no relationship, direct or
                    indirect, exists between or among the Company or its
                    subsidiaries, on the one hand, and the directors, officers,
                    stockholders, customers or suppliers of the Company or its
                    subsidiaries, on the other hand, which is required to be
                    described in the Prospectus that is not so described.

          (xxviii)  Neither the Company nor any of its subsidiaries is or, after
                    application of the net proceeds of this offering as
                    described under the caption "Use of Proceeds" in the
                    Prospectus, will become an "investment company" or an entity
                    "controlled" by an "investment company" as such terms are
                    defined in the Investment Company Act of 1940, as amended.

(b)       Representations and Warranties and Agreements of the Selling
          Stockholders. Each Selling Stockholder represents and warrants to, and
          agrees with, the several Underwriters that such Selling Stockholder:

          (i)       Now has, and on the Closing Dates will have, valid and
                    marketable title to the Stocks to be sold by such Selling
                    Stockholder, free and clear of any lien, claim, security
                    interest or other encumbrance, including, without
                    limitation, any restriction on transfer, and has full right,
                    power and authority to enter into this Agreement, the Power
                    of Attorney and the Custody Agreement (each as hereinafter
                    defined), and, to the extent such Selling Stockholder is a
                    corporation, has been duly organized and is validly existing
                    and in good standing as a corporation under the laws of its
                    jurisdiction of organization.

          (ii)      Now has, and on each of the Closing Dates will have, upon
                    delivery of and payment for each share of Stock hereunder,
                    full right, power and authority, any approval required by
                    law to sell, transfer, assign and deliver the Stock being
                    sold by such Selling Stockholder hereunder, and each of the
                    several Underwriters will acquire valid and marketable title
                    to all of the Stock being sold to the Underwriters by such
                    Selling Stockholder, free and clear of any liens,
                    encumbrances, equities, claims, restrictions on transfer or
                    other defects whatsoever.

          (iii)     For a period of 180 days after the date of the Prospectus,
                    without the consent of Cowen, such Selling Stockholder will
                    not, directly or indirectly, (A) offer, sell, assign,
                    transfer, encumber, pledge, contract to sell, grant an
                    option to purchase or otherwise dispose of, other than by
                    operation of law, any shares of Stock (including, without
                    limitation, Stock which may be deemed to be beneficially
                    owned by the undersigned in accordance with the rules and
                    regulations under the Securities Act), or (B) enter into any
                    swap or similar agreement that transfers, in whole or in
                    part, the economic risk of the Stock, whether any such
                    transaction described in clause (A) or (B) above is to be
                    settled by delivery of Stock or such other securities, in
                    cash or otherwise, and whether any such transaction relates
                    to Stock now owned or hereafter acquired.

          (iv)      Has duly executed and delivered a power of attorney, in
                    substantially the form heretofore delivered by the
                    Representatives (the "Power of Attorney"), appointing
                    Jeffrey W. Dunn and Nancy E. Bush, and each of them, as
                    attorney-in-fact (the "Attorneys-in-fact") with authority to
                    execute and deliver this Agreement on behalf of





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                    such Selling Stockholder, to authorize the delivery of the
                    shares of Stock to be sold by such Selling Stockholder
                    hereunder and otherwise to act on behalf of such Selling
                    Stockholder in connection with the transactions contemplated
                    by this Agreement.

          (v)       Has duly executed and delivered a custody agreement, in
                    substantially the form heretofore delivered by the
                    Representatives (the "Custody Agreement"), with Harris Trust
                    and Savings Bank as custodian (the "Custodian"), pursuant to
                    which certificates in negotiable form for the shares of
                    Stock to be sold by such Selling Stockholder hereunder have
                    been placed in custody for delivery under this Agreement.

          (vi)      Has, by execution and delivery of each of this Agreement,
                    the Power of Attorney and the Custody Agreement, created
                    valid and binding obligations of such Selling Stockholder,
                    enforceable against such Selling Stockholder in accordance
                    with its terms, except to the extent that rights to
                    indemnity hereunder may be limited by federal or state
                    securities laws or the public policy underlying such laws
                    and by applicable bankruptcy, insolvency and other similar
                    laws affecting creditors' rights and rules of law governing
                    specific performance, injunctive relief and other equitable
                    remedies.


                    Each Selling Stockholder agrees that the shares of Stock
                    represented by the certificates held in custody under the
                    Custody Agreement are for the benefit of and coupled with
                    and subject to the interests of the Underwriters and the
                    Company hereunder, and that the arrangement for such custody
                    and the appointment of the Attorneys-in-fact are
                    irrevocable; that the obligations of such Selling
                    Stockholder hereunder shall not be terminated by operation
                    of law, whether by the death or incapacity, liquidation or
                    distribution of such Selling Stockholder, or any other
                    event, that if such Selling Stockholder should die or become
                    incapacitated or is liquidated or dissolved or any other
                    event occurs, before the delivery of the Stock hereunder,
                    certificates for the Stock to be sold by such Selling
                    Stockholder shall be delivered on behalf of such Selling
                    Stockholder in accordance with the terms and conditions of
                    this Agreement and the Custody Agreement, and action taken
                    by the Attorneys-in-fact or any of them under the Power of
                    Attorney shall be as valid as if such death, incapacity,
                    liquidation or dissolution or other event had not occurred,
                    whether or not the Custodian, the Attorneys-in-fact or any
                    of them shall have notice of such death, incapacity,
                    liquidation or dissolution or other event.

          (vii)     Such Selling Stockholder has not taken and will not take,
                    directly or indirectly, any action designed to, or which has
                    constituted, or which might reasonably be expected to cause
                    or result in the stabilization or manipulation of the price
                    of the Common Stock of the Company and, other than as
                    permitted by the Securities Act, the Selling Stockholder
                    will not distribute any prospectus or other offering
                    material in connection with the offering of the Stock.

          (viii)    The information pertaining to such Selling Stockholder under
                    the caption "Principal and Selling Stockholders" in the
                    Prospectus is complete and accurate in all material
                    respects.

          (ix)      As to each Selling Stockholder that beneficially owns more
                    than 50,000 shares of Stock or is an officer or director of
                    the Company, the sale of the Stock by such Selling
                    Stockholder pursuant hereto is not prompted by any
                    information concerning the Company or its subsidiaries which
                    is not set forth in the Registration Statement.

          (x)       As to Mr. Dunn and Ms. Bush, to the knowledge of such Seller
                    Stockholder (A) the Registration Statement and any amendment
                    thereto do not contain, and will not contain, any untrue
                    statement of a material fact and do not omit, and will not
                    omit, to state any





                                       9
   10

                    material fact required to be stated therein or necessary to
                    make the statements therein not misleading, and (B) the
                    Prospectus and any amendments and supplements thereto do not
                    contain, and will not contain, any untrue statement of
                    material fact and do not omit, and will not omit, to state
                    any material fact required to be stated therein or necessary
                    to make the statements therein, in light of the
                    circumstances under which they were made, not misleading.


3.        Purchase by, and Sale and Delivery to, Underwriters--Closing Dates. On
          the basis of the representations, warranties, covenants and agreements
          herein contained, but subject to the terms and conditions herein set
          forth, the Company and the Selling Stockholders agree, severally and
          not jointly, to sell to the Underwriters the Firm Stock, with the
          number of shares to be sold by the Company and each Selling
          Stockholder being the number of Shares set opposite his, her or its
          name in Schedule B; and on the basis of the representations,
          warranties, covenants and agreements herein contained, but subject to
          the terms and conditions herein set forth, the Underwriters agree,
          severally and not jointly, to purchase the Firm Stock from the Company
          and the Selling Stockholders, the number of shares of Firm Stock to be
          purchased by each Underwriter being set opposite its name in Schedule
          A, subject to adjustment in accordance with Section 12 hereof. The
          number of shares of Stock to be purchased by each Underwriter from
          each Selling Stockholder hereunder shall bear the same proportion to
          the total number of shares of Stock to be purchased by such
          Underwriter hereunder as the number of shares of Stock being sold by
          each Selling Stockholder bears to the total number of shares of Stock
          being sold by all Selling Stockholders, subject to adjustment by the
          Representatives to eliminate fractions.


          The purchase price per share to be paid by the Underwriters to the
          Company and the Selling Stockholders will be the price per share set
          forth in the table on the cover page of the Prospectus under the
          heading "Proceeds to Company" (the "Purchase Price").


          The Company and the Selling Stockholders will deliver the Firm Stock
          to the Representatives for the respective accounts of the several
          Underwriters (in the form of definitive certificates, issued in such
          names and in such denominations as the Representatives may direct by
          notice in writing to the Company and the Selling Stockholders given at
          or prior to 12:00 Noon, New York Time, on the second full business day
          preceding the First Closing Date (as defined below) or, if no such
          direction is received, in the names of the respective Underwriters or
          in such other names as Cowen may designate (solely for the purpose of
          administrative convenience) and in such denominations as Cowen may
          determine), against payment of the aggregate Purchase Price therefor
          by certified or official bank check or checks in immediately available
          funds (same day funds), payable to the order of the Company and Harris
          Trust and Savings Bank as Custodian for the Selling Stockholders, all
          at the offices of Venture Law Group, 2800 Sand Hill Road, Menlo Park,
          California 94025. The time and date of the delivery and closing shall
          be at 10:00 A.M., New York Time, on ________________, 1997, in
          accordance with Rule 15c6-1 of the Exchange Act. The time and date of
          such payment and delivery are herein referred to as the "First Closing
          Date." The First Closing Date and the location of delivery of, and the
          form of payment for, the Firm Stock may be varied by agreement among
          the Company, the Selling Stockholders and Cowen. The First Closing
          Date may be postponed pursuant to the provisions of Section 12.


          The Company and the Selling Stockholders shall make the certificates
          for the Stock available to the Representatives for examination on
          behalf of the Underwriters not later than 10:00 A.M., New York Time,
          on the business day preceding the First Closing Date at the offices of
          Cowen & Company, Financial Square, New York, New York 10005.




                                       10
   11




          It is understood that Cowen or other Representatives, individually and
          not as Representatives of the several Underwriters, may (but shall not
          be obligated to) make payment to the Company or to the Selling
          Stockholders on behalf of any Underwriter or Underwriters, for the
          Stock to be purchased by such Underwriter or Underwriters. Any such
          payment by Cowen or other Representatives shall not relieve such
          Underwriter or Underwriters from any of its or their other obligations
          hereunder.


          The several Underwriters agree to make an initial public offering of
          the Firm Stock at the initial public offering price as soon after the
          effectiveness of the Registration Statement as in their judgment is
          advisable. The Representatives shall promptly advise the Company and
          the Selling Stockholders of the making of the initial public offering.


          For the purpose of covering any over-allotments in connection with the
          distribution and sale of the Firm Stock as contemplated by the
          Prospectus, the Company and each of the Selling Stockholders hereby
          grants to the Underwriters an option to purchase, severally and not
          jointly, up to the aggregate number of shares of Optional Stock set
          forth opposite the Company's and each such Selling Stockholder's
          respective names on Schedule B hereto, for an aggregate of up to
          390,000 shares. The price per share to be paid for the Optional Stock
          shall be the Purchase Price. The option granted hereby may be
          exercised as to all or any part of the Optional Stock at any time, and
          from time to time, not more than thirty (30) days subsequent to the
          effective date of this Agreement. No Optional Stock shall be sold and
          delivered unless the Firm Stock previously has been, or simultaneously
          is, sold and delivered. The right to purchase the Optional Stock or
          any portion thereof may be surrendered and terminated at any time upon
          notice by the Underwriters to the Company.


          The option granted hereby may be exercised by the Underwriters by
          giving written notice from Cowen to the Company setting forth the
          number of shares of the Optional Stock to be purchased by them and the
          date and time for delivery of and payment for the Optional Stock. Each
          date and time for delivery of and payment for the Optional Stock
          (which may be the First Closing Date, but not earlier) is herein
          called the "Option Closing Date" and shall in no event be earlier than
          two (2) business days nor later than ten (10) business days after
          written notice is given. (The Option Closing Date and the First
          Closing Date are herein called the "Closing Dates.") All purchases of
          Optional Stock from the Company and Selling Stockholders shall be made
          on a pro rata basis. Optional Stock shall be purchased for the account
          of each Underwriter in the same proportion as the number of shares of
          Firm Stock set forth opposite such Underwriter's name in Schedule B
          hereto bears to the total number of shares of Firm Stock (subject to
          adjustment by the Underwriters to eliminate odd lots). Upon exercise
          of the option by the Underwriters, the Company and Selling
          Stockholders agree to sell to the Underwriters the number of shares of
          Optional Stock set forth in the written notice of exercise and the
          Underwriters agree, severally and not jointly and subject to the terms
          and conditions herein set forth, to purchase the number of such shares
          determined as aforesaid.


          The Company and the Selling Stockholders will deliver the Optional
          Stock to the Underwriters (in the form of definitive certificates,
          issued in such names and in such denominations as the Representatives
          may direct by notice in writing to the Company given at or prior to
          12:00 Noon, New York Time, on the second full business day preceding
          the Option Closing Date or, if no such direction is received, in the
          names of the respective Underwriters or in such other names as Cowen
          may designate (solely for the purpose of administrative convenience)
          and in such denominations as Cowen may determine, against payment of
          the aggregate Purchase Price therefor by certified or official bank
          check or checks in Clearing House funds (next day funds), payable to
          the order of the Company and as Custodian for the Selling Stockholders
          all at the offices of Venture Law Group, 2800 Sand Hill Road, Menlo
          Park, California 94025. The Company and the Selling Stockholders shall
          make the certificates for the Optional Stock available to the
          Underwriters for examination not later than 10:00 A.M., New York




                                       11
   12


          Time, on the business day preceding the Option Closing Date at the
          offices of Cowen & Company, Financial Square, New York, New York
          10005. The Option Closing Date and the location of delivery of, and
          the form of payment for, the Option Stock may be varied by agreement
          among the Company, the Selling Stockholders and Cowen. The Option
          Closing Date may be postponed pursuant to the provisions of Section
          12.


4.        Covenants and Agreements of the Company. The Company covenants and
          agrees with the several Underwriters that:

          (a)       The Company will (i) if the Company and the Representatives
                    have determined not to proceed pursuant to Rule 430A of the
                    of the Rules and Regulations, use its best efforts to cause
                    the Registration Statement to become effective, (ii) if the
                    Company and the Representatives have determined to proceed
                    pursuant to Rule 430A of the Rules and Regulations, use its
                    best efforts to comply with the provisions of and make all
                    requisite filings with the Commission pursuant to Rule 430A
                    and Rule 424 of the Rules and Regulations and (iii) if the
                    Company and the Representatives have determined to deliver
                    Prospectuses pursuant to Rule 434 of the Rules and
                    Regulations, to use its best efforts to comply with all the
                    applicable provisions thereof. The Company will advise the
                    Representatives promptly as to the time at which the
                    Registration Statement becomes effective, will advise the
                    Representatives promptly of the issuance by the Commission
                    of any stop order suspending the effectiveness of the
                    Registration Statement or of the institution of any
                    proceedings for that purpose, and will use its best efforts
                    to prevent the issuance of any such stop order and to obtain
                    as soon as possible the lifting thereof, if issued. The
                    Company will advise the Representatives promptly of the
                    receipt of any comments of the Commission or any request by
                    the Commission for any amendment of or supplement to the
                    Registration Statement or the Prospectus or for additional
                    information and will not at any time file any amendment to
                    the Registration Statement or supplement to the Prospectus
                    which shall not previously have been submitted to the
                    Representatives a reasonable time prior to the proposed
                    filing thereof or to which the Representatives shall
                    reasonably object in writing or which is not in compliance
                    with the Securities Act and the Rules and Regulations.

          (b)       The Company will prepare and file with the Commission,
                    promptly upon the request of the Representatives, any
                    amendments or supplements to the Registration Statement or
                    the Prospectus which in the opinion of the Representatives
                    may be necessary to enable the several Underwriters to
                    continue the distribution of the Stock and will use its best
                    efforts to cause the same to become effective as promptly as
                    possible.

          (c)       If at any time after the effective date of the Registration
                    Statement when a prospectus relating to the Stock is
                    required to be delivered under the Securities Act any event
                    relating to or affecting the Company or any of its
                    subsidiaries occurs as a result of which the Prospectus or
                    any other prospectus as then in effect would include an
                    untrue statement of a material fact, or omit to state any
                    material fact necessary to make the statements therein, in
                    light of the circumstances under which they were made, not
                    misleading, or if it is necessary at any time to amend the
                    Prospectus to comply with the Securities Act, the Company
                    will promptly notify the Representatives thereof and will
                    prepare an amended or supplemented prospectus which will
                    correct such statement or omission; and in case any
                    Underwriter is required to deliver a prospectus relating to
                    the Stock nine (9) months or more after the effective date
                    of the Registration Statement, the Company upon the request
                    of the Representatives and at the expense of such
                    Underwriter will prepare promptly such prospectus or
                    prospectuses as may be necessary to permit compliance with
                    the requirements of Section 10(a)(3) of the Securities Act.

          (d)       The Company will deliver to the Representatives, at or
                    before the Closing Dates, signed copies of the Registration
                    Statement, as originally filed with the Commission, and all
                    amendments 





                                       12
   13
                    thereto including all financial statements and exhibits
                    thereto and will deliver to the Representatives such number
                    of copies of the Registration Statement, including such
                    financial statements but without exhibits, and all
                    amendments thereto, as the Representatives may reasonably
                    request. The Company will deliver or mail to or upon the
                    order of the Representatives, from time to time until the
                    effective date of the Registration Statement, as many copies
                    of the Preeffective Prospectus as the Representatives may
                    reasonably request. The Company will deliver or mail to or
                    upon the order of the Representatives on the date of the
                    initial public offering, and thereafter from time to time
                    during the period when delivery of a prospectus relating to
                    the Stock is required under the Securities Act, as many
                    copies of the Prospectus, in final form or as thereafter
                    amended or supplemented as the Representatives may
                    reasonably request; provided, however, that the expense of
                    the preparation and delivery of any prospectus required for
                    use nine (9) months or more after the effective date of the
                    Registration Statement shall be borne by the Underwriters
                    required to deliver such prospectus.

          (e)       The Company will make generally available to its
                    stockholders as soon as practicable, but not later than
                    fifteen (15) months after the effective date of the
                    Registration Statement, an earnings statement which will be
                    in reasonable detail (but which need not be audited) and
                    which will comply with Section 11(a) of the Securities Act,
                    covering a period of at least twelve (12) months beginning
                    after the "effective date" (as defined in Rule 158 under the
                    Securities Act) of the Registration Statement.

          (f)       The Company will cooperate with the Representatives to
                    enable the Stock to be registered or qualified for offering
                    and sale by the Underwriters and by dealers under the
                    securities laws of such U.S., Canadian and foreign
                    jurisdictions as the Representatives may designate and at
                    the request of the Representatives will make such
                    applications and furnish such consents to service of process
                    or other documents as may be required of it as the issuer of
                    the Stock for that purpose; provided, however, that the
                    Company shall not be required to qualify to do business or
                    to file a general consent (other than that arising out of
                    the offering or sale of the Stock) to service of process in
                    any such jurisdiction where it is not now so subject. The
                    Company will, from time to time, prepare and file such
                    statements and reports as are or may be required of it as
                    the issuer of the Stock to continue such qualifications in
                    effect for so long a period as the Representatives may
                    reasonably request for the distribution of the Stock. The
                    Company will advise the Representatives promptly after the
                    Company becomes aware of the suspension of the
                    qualifications or registration of (or any such exception
                    relating to) the Common Stock of the Company for offering,
                    sale or trading in any jurisdiction or of any initiation or
                    threat of any proceeding for any such purpose, and in the
                    event of the issuance of any orders suspending such
                    qualifications, registration or exception, the Company will,
                    with the cooperation of the Representatives use its best
                    efforts to obtain the withdrawal thereof.

          (g)       The Company will furnish to its stockholders annual reports
                    containing financial statements certified by independent
                    public accountants and with quarterly summary financial
                    information in reasonable detail which may be unaudited.
                    During the period of five (5) years from the date hereof,
                    the Company will deliver to the Representatives and, upon
                    request, to each of the other Underwriters, as soon as they
                    are available, copies of each annual report of the Company
                    and each other report furnished by the Company to its
                    stockholders and will deliver to the Representatives, (i) as
                    soon as they are available, copies of any other reports
                    (financial or other) which the Company shall publish or
                    otherwise make available to any of its stockholders as such,
                    (ii) as soon as they are available, copies of any reports
                    and financial statements furnished to or filed with the
                    Commission or the Nasdaq National Market and (iii) from time
                    to time such other information concerning the Company as you
                    may reasonably request. So long as the Company has active
                    subsidiaries, such financial statements will be on a
                    consolidated basis to the extent the





                                       13
   14


                    accounts of the Company and its subsidiaries are
                    consolidated in reports furnished to its Stockholders
                    generally.

          (h)       The Company will use its best efforts to list the Stock,
                    subject to official notice of issuance, on the Nasdaq
                    National Market concurrently with the effectiveness of the
                    Registration Statement.

          (i)       The Company will maintain a transfer agent and registrar for
                    its Common Stock.

          (j)       For a period of one year after the date hereof, prior to
                    filing its quarterly statements on Form 10-Q, the Company
                    will have its independent auditors perform a limited
                    quarterly review of its quarterly numbers.

          (k)       The Company will not offer, sell, assign, transfer,
                    encumber, contract to sell, grant an option to purchase or
                    otherwise dispose of any shares of Common Stock or
                    securities convertible into or exercisable or exchangeable
                    for Common Stock during the 180 days following the date on
                    which the price of the Common Stock to be purchased by the
                    Underwriters is set, other than the Company's sale of Common
                    Stock hereunder and the Company's issuance of Common Stock
                    upon the exercise of warrants and stock options which are
                    presently outstanding and described in the Prospectus.

          (l)       The Company will file with the Commission any reports on
                    Form SR required pursuant to Rule 463 of Rules and
                    Regulations and will deliver promptly to the Representatives
                    a signed copy of each report on Form SR filed by it with the
                    Commission.

          (m)       The Company will apply the net proceeds from the sale of the
                    Stock as set forth in the description under "Use of
                    Proceeds" in the Prospectus, which description complies in
                    all respects with the requirements of Item 504 of Regulation
                    S-B.

          (n)       The Company will supply you with copies of all
                    correspondence to and from, and all documents issued to and
                    by, the Commission in connection with the registration of
                    the Stock under the Securities Act.

          (o)       Prior to each of the Closing Dates the Company will furnish
                    to you, as soon as they have been prepared, copies of any
                    unaudited interim consolidated financial statements of the
                    Company and its subsidiaries for any periods subsequent to
                    the periods covered by the consolidated financial statements
                    appearing in the Registration Statement and the Prospectus.

          (p)       Prior to each of the Closing Dates the Company will issue no
                    press release or other communications directly or indirectly
                    and hold no press conference with respect to the Company or
                    any of its subsidiaries, the financial condition, results of
                    operations, business, prospects, assets or liabilities of
                    any of them, or the offering of the Stock, without your
                    prior written consent, which shall not be unreasonably
                    withheld.

          (q)       During the period of five (5) years hereafter, the Company
                    will furnish to the Representatives, and upon request of the
                    Representatives, to each of the Underwriters: (i) as soon as
                    practicable after the end of each fiscal year, copies of the
                    Annual Report of the Company containing the balance sheet of
                    the Company as of the close of such fiscal year and
                    statements of income, stockholders' equity and cash flows
                    for the year then ended and the report thereon of the
                    Company's independent public accountants; (ii) as soon as
                    practicable after the filing thereof, copies of each proxy
                    statement, Annual Report on Form 10-KSB, Quarterly Report on
                    Form 10-QSB, Report on Form 8-K or other report filed by the
                    Company with the Commission, or the NASD or Nasdaq National
                    Market; and (iii) as soon as available, copies of any report
                    or communication of the Company mailed generally to holders
                    of its Common Stock.




                                       14
   15



5.        Payment of Expenses. (a) The Company will pay (directly or by
          reimbursement) all costs, fees and expenses incurred in connection
          with expenses incident to the performance of the obligations of the
          Company under this Agreement and in connection with the transactions
          contemplated hereby, including but not limited to (i) all expenses and
          taxes incident to the issuance and delivery of the Stock to the
          Representatives; (ii) all expenses incident to the registration of the
          Stock under the Securities Act; (iii) the costs of preparing stock
          certificates (including printing and engraving costs); (iv) all fees
          and expenses of the registrar and transfer agent of the Stock; (v) all
          necessary issue, transfer and other stamp taxes in connection with the
          issuance and sale of the Stock to the Underwriters; (vi) fees and
          expenses of the Company's counsel and the Company's independent
          accountants; (vii) all costs and expenses incurred in connection with
          the preparation, printing, filing, shipping and distribution of the
          Registration Statement, each Preeffective Prospectus and the
          Prospectus (including all exhibits and financial statements) and all
          amendments and supplements provided for herein, the Selling
          Stockholders' Powers of Attorney, the Custody Agreement, the Blue Sky
          memoranda (including related fees and expenses of counsel to the
          Underwriters) and this Agreement; (viii) all costs and expenses (other
          than legal costs and expenses) incurred in connection with the
          printing, filing, shipping and distribution of the "Agreement Among
          Underwriters" between the Representatives and the Underwriters, the
          Master Selected Dealers' Agreement, the Underwriters' Questionnaire;
          (ix) all filing fees, attorneys' fees and expenses incurred by the
          Company or the Underwriters in connection with exemptions from the
          qualifying or registering (or obtaining qualification or registration
          of) all or any part of the Stock for offer and sale and determination
          of its eligibility for investment under the Blue Sky or other
          securities laws of such jurisdictions as the Representatives may
          designate; (x) all fees and expenses paid or incurred in connection
          with filings made with the NASD; and (xi) all other costs and expenses
          incident to the performance of their obligations hereunder which are
          not otherwise specifically provided for in this Section.

          (b)       Each Selling Stockholder will pay (directly or by
                    reimbursement) all fees and expenses incident to the
                    performance of such Selling Stockholder's obligations under
                    this Agreement which are not otherwise specifically provided
                    for herein, including but not limited to any fees and
                    expenses of counsel for such Selling Stockholder, such
                    Selling Stockholder's pro rata share of fees and expenses of
                    the Attorneys-in-fact and the Custodian and all expenses and
                    taxes incident to the sale and delivery of the Stock to be
                    sold by such Selling Stockholder to the Underwriters
                    hereunder.

          (c)       In addition to their other obligations under Section 6(a)
                    hereof, the Company and each Selling Stockholder jointly and
                    severally agree that, as an interim measure during the
                    pendency of any claim, action, investigation, inquiry or
                    other proceeding arising out of or based upon (i) any
                    statement or omission or any alleged statement or omission,
                    (ii) any act or failure to act or any alleged act or failure
                    to act or (iii) any breach or inaccuracy in their
                    representations and warranties, they will reimburse each
                    Underwriter on a quarterly basis for all reasonable legal or
                    other expenses incurred in connection with investigating or
                    defending any such claim, action, investigation, inquiry or
                    other proceeding, notwithstanding the absence of a judicial
                    determination as to the propriety and enforceability of the
                    Company's and each Selling Stockholder's obligation to
                    reimburse each Underwriter for such expenses and the
                    possibility that such payments might later be held to have
                    been improper by a court of competent jurisdiction. To the
                    extent that any such interim reimbursement payment is so
                    held to have been improper, each Underwriter shall promptly
                    return it to the Company and each Selling Stockholder, as
                    the case may be, together with interest, compounded daily,
                    determined on the basis of the prime rate (or other
                    commercial lending rate for borrowers of the highest credit
                    standing) announced from time to timed by Citibank, N.A.,
                    New York, New York (the "Prime Rate"). Any such interim
                    reimbursement payments which are not made to an Underwriter
                    in a timely manner as provided below shall bear interest at
                    the Prime Rate from the due date for such






                                       15
   16

                    reimbursement. This expense reimbursement agreement will be
                    in addition to any other liability which the Company or any
                    Selling Stockholder may otherwise have. The request for
                    reimbursement will be sent to the Company with a copy to
                    each Selling Stockholder. In the event that the Company
                    fails to make such reimbursement payment within thirty (30)
                    days of the reimbursement request, the Representatives shall
                    notify the Selling Stockholders of their obligation to make
                    such reimbursement payments within fifteen (15) days;
                    provided, however, that each Selling Stockholder other than
                    Mr. Dunn and Ms. Bush shall be required to advance at such
                    time only its pro rata portion of the reimbursement payment.
                    To the extent that any Selling Stockholder fails to pay its
                    pro rata portion in timely response to the Underwriters'
                    request, Mr. Dunn and Ms. Bush shall be jointly and
                    severally liable for such reimbursement payment and each
                    shall render such payment to the Representatives within
                    fifteen (15) days of written demand therefor by the
                    Representatives.

          (d)       In addition to its other obligations under Section 6(b)
                    hereof, each Underwriter severally agrees that, as an
                    interim measure during the pendency of any claim, action,
                    investigation, inquiry or other proceeding arising out of or
                    based upon any statement or omission, or any alleged
                    statement or omission, described in Section 6(b) hereof
                    which relates to information furnished to the Company
                    pursuant to Section 6(c) hereof, it will reimburse the
                    Company (and, to the extent applicable, each officer,
                    director, controlling person or Selling Stockholder) on a
                    quarterly basis for all reasonable legal or other expenses
                    incurred in connection with investigating or defending any
                    such claim, action, investigation, inquiry or other
                    proceeding, notwithstanding the absence of a judicial
                    determination as to the propriety and enforceability of the
                    Underwriters' obligation to reimburse the Company (and, to
                    the extent applicable, each officer, director, controlling
                    person or Selling Stockholder) for such expenses and the
                    possibility that such payments might later be held to have
                    been improper by a court of competent jurisdiction. To the
                    extent that any such interim reimbursement payment is so
                    held to have been improper, the Company (and, to the extent
                    applicable, each officer, director, controlling person or
                    Selling Stockholder) shall promptly return it to the
                    Underwriters together with interest, compounded daily,
                    determined on the basis of the Prime Rate. Any such interim
                    reimbursement payments which are not made to the Company
                    within thirty (30) days of a request for reimbursement shall
                    bear interest at the Prime Rate from the date of such
                    request. This indemnity agreement will be in addition to any
                    liability which such Underwriter may otherwise have.

          (e)       It is agreed that any controversy arising out of the
                    operation of the interim reimbursement arrangements set
                    forth in paragraph (c) and/or (d) of this Section 5,
                    including the amounts of any requested reimbursement
                    payments and the method of determining such amounts, shall
                    be settled by arbitration conducted under the provisions of
                    the Constitution and Rules of the Board of Governors of the
                    New York Stock Exchange, Inc. or pursuant to the Code of
                    Arbitration Procedure of the NASD. Any such arbitration must
                    be commenced by service of a written demand for arbitration
                    or written notice of intention to arbitrate, therein
                    electing the arbitration tribunal. In the event the party
                    demanding arbitration does not make such designation of an
                    arbitration tribunal in such demand or notice, then the
                    party responding to said demand or notice is authorized to
                    do so. Such an arbitration would be limited to the operation
                    of the interim reimbursement provisions contained in
                    paragraph (c) and/or (d) of this Section 5 and would not
                    resolve the ultimate propriety or enforceability of the
                    obligation to reimburse expenses which is created by the
                    provisions of Section 6.


6.        Indemnification and Contribution. (a) The Company agrees to indemnify
          and hold harmless each Underwriter and each person, if any, who
          controls such Underwriter within the meaning of the Securities Act and
          the respective officers, directors, partners, employees,
          representatives and agents of






                                       16
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          each of such Underwriter (collectively, the "Underwriter Indemnified
          Parties" and, each, an "Underwriter Indemnified Party"), against any
          losses, claims, damages, liabilities or expenses (including the
          reasonable cost of investigating and defending against any claims
          therefor and counsel fees incurred in connection therewith), joint or
          several, which may be based upon the Securities Act, or any other
          statute or at common law, (i) on the ground or alleged ground that any
          Preeffective Prospectus, the Registration Statement or the Prospectus
          (or any Preeffective Prospectus, the Registration Statement or the
          Prospectus as from time to time amended or supplemented) includes or
          allegedly includes an untrue statement of a material fact or omits to
          state a material fact required to be stated therein or necessary in
          order to make the statements therein, in light of the circumstances
          under which they were made, not misleading, unless such statement or
          omission was made in reliance upon, and in conformity with, written
          information furnished to the Company by any Underwriter, directly or
          through the Representatives, specifically for use in the preparation
          thereof, (ii) for any act or failure to act or any alleged act or
          failure to act by any Underwriter in connection with, or relating in
          any manner to, the Stock or the offering contemplated hereby, and
          which is included as part of or referred to in any loss, claim,
          damage, liability or expense arising out of or based upon matters
          covered by clause (i) above (provided that the Company shall not be
          liable under this clause (ii) to the extent that it is determined in a
          final judgment by a court of competent jurisdiction that such loss,
          claim, damage, or liability or expense resulted directly from any such
          acts or failures to act undertaken or omitted to be taken by such
          Underwriter through its gross negligence or willful misconduct), or
          (iii) that arise out of or are based in whole or in part on any
          inaccuracy in the representations and warranties of the Company
          contained herein or any failure of the Company to perform its
          obligations hereunder. In no case is the Company to be liable with
          respect to any claims made against any Underwriter Indemnified Party
          against whom the action is brought unless such Underwriter Indemnified
          Party shall have notified the Company in writing within a reasonable
          time after the summons or other first legal process giving information
          of the nature of the claim shall have been served upon the Underwriter
          Indemnified Party, but failure to notify the Company of such claim
          shall not relieve it from any liability that it may have to any
          Underwriter Indemnified Party otherwise than on account of its
          indemnity contained in this paragraph. The Company will be entitled to
          participate at its own expense in the defense or, if it so elects, to
          assume the defense of any suit brought to enforce any such liability,
          but if the Company elects to assume the defense, such defense shall be
          conducted by counsel chosen by it and reasonably acceptable to the
          Underwriters. In the event the Company elects to assume the defense of
          any such suit and retain such counsel, any Underwriter Indemnified
          Parties, defendant or defendants in the suit, may retain additional
          counsel but shall bear the fees and expenses of such counsel unless
          (i) the Company shall have specifically authorized the retaining of
          such counsel or (ii) the parties to such suit include any such
          Underwriter Indemnified Parties, and the Company and such Underwriter
          Indemnified Parties at law or in equity have been advised by counsel
          to the Underwriters that one or more legal defenses may be available
          to it or them which may not be available to the Company, in which case
          the Company shall not be entitled to assume the defense of such suit
          notwithstanding its obligation to bear the fees and expenses of such
          counsel. The Company shall not be liable to indemnify any Underwriter
          Indemnified Party for any settlement of any such claim effected
          without the Company's consent, which shall not be unreasonably
          withheld. This indemnity agreement is not exclusive and will be in
          addition to any liability which the Company might otherwise have and
          shall not limit any rights or remedies which may otherwise be
          available at law or in equity to each Underwriter Indemnified Party.

          (b)       Each Selling Stockholder agrees to indemnify and hold
                    harmless each Underwriter Indemnified Party against any
                    losses, claims, damages, liabilities or expenses (including,
                    unless such Selling Stockholder elects to assume the
                    defense, the reasonable cost of investigating and defending
                    against any claims therefor and counsel fees incurred in
                    connection therewith), which may be based upon the
                    Securities Act, or any other statute or at common law, (i)
                    on the ground or alleged ground that any Preeffective
                    Prospectus, the Registration Statement or the Prospectus





                                       17
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                    (or any Preeffective Prospectus, the Registration Statement
                    or the Prospectus, as from time to time amended and
                    supplemented) includes an untrue statement of a material
                    fact or omits to state a material fact required to be stated
                    therein or necessary in order to make the statements
                    therein, in light of the circumstances under which they were
                    made, not misleading, but only insofar as such statement or
                    omission was made in reliance upon, and in conformity with,
                    written information furnished to the Company by such Selling
                    Stockholder, directly or indirectly, specifically for use in
                    the preparation thereof, or (ii) that arise out of or are
                    based in whole or in part on any inaccuracy in the
                    representations and warranties of the Selling Stockholders
                    contained herein or any failure of the Selling Stockholders
                    to perform their obligations hereunder. Such Selling
                    Stockholder shall be entitled to participate at his own
                    expense in the defense, or, if it so elects, to assume the
                    defense of any suit brought to enforce any such liability,
                    but, if such Selling Stockholder elects to assume the
                    defense, such defense shall be conducted by counsel chosen
                    by it. In the event that any Selling Stockholder elects to
                    assume the defense of any such suit and retain such counsel,
                    the Underwriter Indemnified Parties, defendant or defendants
                    in the suit, may retain additional counsel but shall bear
                    the fees and expenses of such counsel unless (i) such
                    Selling Stockholder shall have specifically authorized the
                    retaining of such counsel or (ii) the parties to such suit
                    include such Underwriter Indemnified Parties and such
                    Selling Stockholder and such Underwriter Indemnified Parties
                    have been advised by counsel that one or more legal defenses
                    may be available to it or them which may not be available to
                    such Selling Stockholder, in which case such Selling
                    Stockholder shall not be entitled to assume the defense of
                    such suit notwithstanding its obligation to bear the fees
                    and expenses of such counsel. This indemnity agreement is
                    not exclusive and will be in addition to any liability which
                    such Selling Stockholder might otherwise have and shall not
                    limit any rights or remedies which may otherwise be
                    available at law or in equity to each Underwriter
                    Indemnified Party. In no event, however, shall the liability
                    of any Selling Stockholder under this Section 6(b) exceed
                    the proceeds received by such Selling Stockholder from the
                    Underwriters in the offering. The Company and the Selling
                    Stockholders may agree, as among themselves and without
                    limiting the rights of the Underwriters under this
                    Agreement, as to their respective amounts of such liability
                    for which they each shall be responsible.

          (c)       Each Underwriter severally and not jointly agrees to
                    indemnify and hold harmless the Company, each of its
                    directors, each of its officers who have signed the
                    Registration Statement and each person, if any, who controls
                    the Company within the meaning of the Securities Act
                    (collectively, the "Company Indemnified Parties") and each
                    Selling Stockholder and each person, if any, who controls a
                    Selling Stockholder within the meaning of the Securities Act
                    (collectively, the "Stockholder Indemnified Parties"),
                    against any losses, claims, damages, liabilities or expenses
                    (including, unless the Underwriter or Underwriters elect to
                    assume the defense, the reasonable cost of investigating and
                    defending against any claims therefor and counsel fees
                    incurred in connection therewith), joint or several, which
                    arise out of or are based in whole or in part upon the
                    Securities Act, the Exchange Act or any other federal,
                    state, local or foreign statute or regulation, or at common
                    law, on the ground or alleged ground that any Preeffective
                    Prospectus, the Registration Statement or the Prospectus (or
                    any Preeffective Prospectus, the Registration Statement or
                    the Prospectus, as from time to time amended and
                    supplemented) includes an untrue statement of a material
                    fact or omits to state a material fact required to be stated
                    therein or necessary in order to make the statements
                    therein, in light of the circumstances in which they were
                    made, not misleading, but only insofar as any such statement
                    or omission was made in reliance upon, and in conformity
                    with, written information furnished to the Company by such
                    Underwriter, directly or through the Representatives,
                    specifically for use in the preparation thereof. For all
                    purposes of this Agreement, the syndicate information and
                    the amount of selling concessions and reallowance set forth
                    in the Prospectus constitute the only information relating
                    to any Underwriter furnished in writing to the Company by
                    the Representatives specifically for 






                                       18
   19

                    use in any Preeffective Prospectus, the Registration
                    Statement or the Prospectus. In no case is such Underwriter
                    to be liable with respect to any claims made against any
                    Company Indemnified Party or Stockholder Indemnified Party
                    against whom the action is brought unless such Company
                    Indemnified Party or Stockholder Indemnified Party shall
                    have notified such Underwriter in writing within a
                    reasonable time after the summons or other first legal
                    process giving information of the nature of the claim shall
                    have been served upon the Company Indemnified Party or
                    Stockholder Indemnified Party, but failure to notify such
                    Underwriter of such claim shall not relieve it from any
                    liability which it may have to any Company Indemnified Party
                    or Stockholder Indemnified Party otherwise than on account
                    of its indemnity agreement contained in this paragraph. Such
                    Underwriter shall be entitled to participate at its own
                    expense in the defense, or, if it so elects, to assume the
                    defense of any suit brought to enforce any such liability,
                    but, if such Underwriter elects to assume the defense, such
                    defense shall be conducted by counsel chosen by it. In the
                    event that any Underwriter elects to assume the defense of
                    any such suit and retain such counsel, the Company
                    Indemnified Parties or Stockholder Indemnified Parties and
                    any other Underwriter or Underwriters or controlling person
                    or persons, defendant or defendants in the suit, shall bear
                    the fees and expenses of any additional counsel retained by
                    them, respectively. The Underwriter against whom indemnity
                    may be sought shall not be liable to indemnify any person
                    for any settlement of any such claim effected without such
                    Underwriter's consent, which shall not be unreasonably
                    withheld. This indemnity agreement is not exclusive and will
                    be in addition to any liability which such Underwriter might
                    otherwise have and shall not limit any rights or remedies
                    which may otherwise be available at law or in equity to any
                    Company Indemnified Party or Stockholder Indemnified Party.

          (d)       If the indemnification provided for in this Section 6 is
                    unavailable or insufficient to hold harmless an indemnified
                    party under subsection (a), (b) or (c) above in respect of
                    any losses, claims, damages, liabilities or expenses (or
                    actions in respect thereof) referred to herein, then each
                    indemnifying party shall contribute to the amount paid or
                    payable by such indemnified party as a result of such
                    losses, claims, damages, liabilities or expenses (or actions
                    in respect thereof) in such proportion as is appropriate to
                    reflect the relative benefits received by the Company and
                    the Selling Stockholders on the one hand and the
                    Underwriters on the other from the offering of the Stock.
                    If, however, the allocation provided by the immediately
                    preceding sentence is not permitted by applicable law, then
                    each indemnifying party shall contribute to such amount paid
                    or payable by such indemnified party in such proportion as
                    is appropriate to reflect not only such relative benefits
                    but also the relative fault of the Company and the Selling
                    Stockholders on the one hand and the Underwriters on the
                    other in connection with the statements or omissions which
                    resulted in such losses, claims, damages, liabilities or
                    expenses (or actions in respect thereof), as well as any
                    other relevant equitable considerations. The relative
                    benefits received by the Company and the Selling
                    Stockholders on the one hand and the Underwriters on the
                    other shall be deemed to be in the same proportion as the
                    total net proceeds from the offering (before deducting
                    expenses) received by the Company and the Selling
                    Stockholders bear to the total underwriting discounts and
                    commissions received by the Underwriters, in each case as
                    set forth in the table on the cover page of the Prospectus.
                    The relative fault shall be determined by reference to,
                    among other things, whether the untrue or alleged untrue
                    statement of a material fact or the omission or alleged
                    omission to state a material fact relates to information
                    supplied by the Company, the Selling Stockholders or the
                    Underwriters and the parties' relative intent, knowledge,
                    access to information and opportunity to correct or prevent
                    such statement or omission. The Company, the Selling
                    Stockholders and the Underwriters agree that it would not be
                    just and equitable if contribution were determined by pro
                    rata allocation (even if the Underwriters were treated as
                    one entity for such purpose) or by any other method of
                    allocation which does not take account of the equitable
                    considerations referred to above. The amount paid or payable
                    by an indemnified party as a result of the losses,





                                       19
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                    claims, damages, liabilities or expenses (or actions in
                    respect thereof) referred to above shall be deemed to
                    include any legal or other expenses reasonably incurred by
                    such indemnified party in connection with investigating,
                    defending, settling or compromising any such claim.
                    Notwithstanding the provisions of this subsection (d), no
                    Underwriter shall be required to contribute any amount in
                    excess of the amount by which the total price at which the
                    shares of the Stock underwritten by it and distributed to
                    the public were offered to the public exceeds the amount of
                    any damages which such Underwriter has otherwise been
                    required to pay by reason of such untrue or alleged untrue
                    statement or omission or alleged omission. The Underwriters'
                    obligations to contribute are several in proportion to their
                    respective underwriting obligations and not joint. No person
                    guilty of fraudulent misrepresentation (within the meaning
                    of Section 11(f) of the Securities Act) shall be entitled to
                    contribution from any person who was not guilty of such
                    fraudulent misrepresentation.


7.        Survival of Indemnities, Representations, Warranties, etc. The
          respective indemnities, covenants, agreements, representations,
          warranties and other statements of the Company, the Selling
          Stockholders and the several Underwriters, as set forth in this
          Agreement or made by them respectively, pursuant to this Agreement,
          shall remain in full force and effect, regardless of any investigation
          made by or on behalf of any Underwriter, the Selling Stockholders, the
          Company or any of its officers or directors or any controlling person,
          and shall survive delivery of and payment for the Stock until all
          applicable statutes of limitation have expired.


8.        Conditions of Underwriters' Obligations. The respective obligations of
          the several Underwriters hereunder shall be subject to the accuracy,
          at and (except as otherwise stated herein) as of the date hereof and
          at and as of each of the Closing Dates, of the representations and
          warranties made herein by the Company and the Selling Stockholders, to
          compliance at and as of each of the Closing Dates by the Company and
          the Selling Stockholders with their covenants and agreements herein
          contained and other provisions hereof to be satisfied at or prior to
          each of the Closing Dates, and to the following additional conditions:

          (a)       The Registration Statement shall have become effective and
                    no stop order suspending the effectiveness thereof shall
                    have been issued and no proceedings for that purpose shall
                    have been initiated or, to the knowledge of the Company or
                    the Representatives, shall be threatened by the Commission,
                    and any request for additional information on the part of
                    the Commission (to be included in the Registration Statement
                    or the Prospectus or otherwise) shall have been complied
                    with to the reasonable satisfaction of the Representatives.
                    Any filings of the Prospectus, or any supplement thereto,
                    required pursuant to Rule 424(b) or Rule 434 of the Rules
                    and Regulations, shall have been made in the manner and
                    within the time period required by Rule 424(b) and Rule 434
                    of the Rules and Regulations, as the case may be.

          (b)       The Representatives shall have been satisfied that there
                    shall not have occurred any change, on a consolidated basis,
                    prior to each of the Closing Dates in the condition
                    (financial or otherwise), properties, business, management,
                    prospects, net worth or results of operations of the Company
                    and its subsidiaries considered as a whole, or any change in
                    the capital stock, short-term or long-term debt of the
                    Company and its subsidiaries considered as a whole, such
                    that (i) the Registration Statement or the Prospectus, or
                    any amendment or supplement thereto, contains an untrue
                    statement of fact which, in the opinion of the
                    Representatives, is material, or omits to state a fact
                    which, in the opinion of the Representatives, is required to
                    be stated therein or is necessary to make the statements
                    therein not misleading, or (ii) it is unpracticable in the
                    reasonable judgment of the Representatives to proceed with
                    the public offering or purchase the Stock as contemplated
                    hereby.




                                       20
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          (c)       The Representatives shall be satisfied that no legal or
                    governmental action, suit or proceeding affecting the
                    Company which is material and adverse to the Company or
                    which affects or may affect the Company's or the Selling
                    Stockholders' ability to perform their respective
                    obligations under this Agreement shall have been instituted
                    or threatened and there shall have occurred no material
                    adverse development in any existing such action, suit or
                    proceeding.

          (d)       At the time of execution of this Agreement, the
                    Representatives shall have received from Price Waterhouse
                    LLP, independent certified public accountants, a letter,
                    dated the date hereof, in form and substance satisfactory to
                    the Underwriters. In addition, the Representatives shall
                    have received from such accountants a letter stating that
                    their review of the Company's internal accounting controls,
                    to the extent they deemed necessary in establishing the
                    scope of their examination of the Company's financial
                    statements as of December 31, 1996, did not disclose any
                    weakness in internal controls that they considered to be
                    material weaknesses.

          (e)       The Representatives shall have received from Price
                    Waterhouse LLP, independent certified public accountants,
                    letters, dated each of the Closing Dates, to the effect that
                    such accountants reaffirm, as of each of the Closing Dates,
                    and as though made on each of the Closing Dates, the
                    statements made in the letter furnished by such accountants
                    pursuant to paragraph (d) of this Section 8.

          (f)       The Representatives shall have received from Venture Law
                    Group, counsel for the Company, opinions, dated each of the
                    Closing Dates, to the effect set forth in Exhibit I hereto.

          (g)       The Representatives shall have received from counsel for
                    each of the Selling Stockholders an opinion dated each of
                    the Closing Dates to the effect set forth in Exhibit III
                    hereto.

          (h)       The Representatives shall have received from Morrison &
                    Foerster LLP, counsel for the Underwriters, their opinions
                    dated each of the Closing Dates with respect to the
                    incorporation of the Company, the validity of the Stock, the
                    Registration Statement and the Prospectus and such other
                    related matters as it may reasonably request, and the
                    Company and the Selling Stockholders shall have furnished to
                    such counsel such documents as they may request for the
                    purpose of enabling them to pass upon such matters.

          (i)       The Representatives shall have received certificates, dated
                    each of the Closing Dates, of the chief executive officer or
                    the President and the chief financial or accounting officer
                    of the Company to the effect that:

                    (i)       No stop order suspending the effectiveness of the
                              Registration Statement has been issued and to the
                              knowledge of the signatories no proceedings for
                              that purpose have been instituted or are pending
                              or contemplated under the Securities Act;

                    (ii)      Neither any Preeffective Prospectus, as of its
                              date, nor the Registration Statement nor the
                              Prospectus, nor any amendment or supplement
                              thereto, as of the time when the Registration
                              Statement became effective and at all times
                              subsequent thereto up to the delivery of such
                              certificate, included any untrue statement of a
                              material fact or omitted to state any material
                              fact required to be stated therein or necessary to
                              make the statements therein not misleading.

                    (iii)     The representations and warranties of the Company
                              in this Agreement are true and correct in all
                              material respects at and as of each of the Closing
                              Dates, and the Company has complied in all
                              material respects with all the covenants and
                              agreements and performed or satisfied all the
                              conditions on its part to be performed or
                              satisfied at or prior to the Closing Dates; and



                                       21
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                    (iv)      Since the respective dates as of which information
                              is given in the Registration Statement and the
                              Prospectus, and except as disclosed in or
                              contemplated by the Prospectus, (A) there has not
                              been any material adverse change or a development
                              involving a material adverse change in the
                              condition (financial or otherwise), properties,
                              business, management, net worth or results of
                              operations of the Company and the Company has not
                              entered into any material transactions not in the
                              ordinary course of business; (B) the business and
                              operations conducted by the Company and its
                              subsidiaries have not sustained a loss by strike,
                              fire, flood, accident or other calamity (whether
                              or not insured) of such a character as to
                              interfere materially with the conduct of the
                              business and operations of the Company; (C) no
                              legal or governmental action, suit or proceeding
                              is pending or threatened against the Company which
                              is material to the Company, whether or not arising
                              from transactions in the ordinary course of
                              business, or which may materially and adversely
                              affect the transactions contemplated by this
                              Agreement; (D) the Company has not incurred any
                              material liability or obligation, direct,
                              contingent or indirect, made any change in its
                              capital stock (except pursuant to its stock
                              plans), made any material change in its short-term
                              or funded debt or repurchased or otherwise
                              acquired any of the Company's capital stock; and
                              (E) the Company has not declared or paid any
                              dividend, or made any other distribution, upon its
                              outstanding capital stock payable to stockholders
                              of record on a date prior to each of the Closing
                              Dates.

                    (j)       The Company and each of the Selling Stockholders
                              shall have furnished to the Representatives such
                              additional certificates as the Representatives may
                              have reasonably requested as to the accuracy, at
                              and as of each of the Closing Dates, of the
                              representations and warranties made herein by them
                              and as to compliance at and as of each of the
                              Closing Dates by them with their covenants and
                              agreements herein contained and other provisions
                              hereof to be satisfied at or prior to each of the
                              Closing Dates, and as to satisfaction of the other
                              conditions to the obligations of the Underwriters
                              hereunder.

                    (k)       Cowen shall have received the written agreements,
                              substantially in the form of Exhibit II hereto, of
                              all the officers, directors and holders of Common
                              Stock of the Company that each will not offer,
                              sell, assign, transfer, encumber, contract to
                              sell, grant an option to purchase or otherwise
                              dispose of any shares of Common Stock (including,
                              without limitation, Common Stock which may be
                              deemed to be beneficially owned by such officer,
                              director or holder in accordance with the Rules
                              and Regulations) during the 180 days following the
                              effective date of the Registration Statement,
                              except for the Stock being sold hereunder by the
                              Selling Stockholders.

                    (l)       The Nasdaq National Market shall have approved the
                              stock for listing, subject only to official notice
                              of issuance.


          All opinions, certificates, letters and other documents will be in
          compliance with the provisions hereunder only if they are satisfactory
          in form and substance to the Representatives. The Company will furnish
          to the Representatives conformed copies of such opinions,
          certificates, letters and other documents as the Representatives shall
          reasonably request. If any of the conditions hereinabove provided for
          in this Section shall not have been satisfied when and as required by
          this Agreement, this Agreement may be terminated by the
          Representatives by notifying the Company of such termination in
          writing or by telegram at or prior to each of the Closing Dates, but
          Cowen, on behalf of the Representatives, shall be entitled to waive
          any of such conditions.


9.        Effective Date. This Agreement shall become effective immediately as
          to Sections 5, 6, 7, 9, 10, 11, 13, 14, 15, 16 and 17 and, as to all
          other provisions, at 11:00 a.m. New York City time on the first full
          business day following the effectiveness of the Registration Statement
          or at such earlier time after the






                                       22
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          Registration Statement becomes effective as the Representatives may
          determine on and by notice to the Company or by release of any of the
          Stock for sale to the public. For the purposes of this Section 9, the
          Stock shall be deemed to have been so released upon the release for
          publication of any newspaper advertisement relating to the Stock or
          upon the release by you of telegrams (a) advising Underwriters that
          the shares of Stock are released for public offering or (b) offering
          the Stock for sale to securities dealers, whichever may occur first.


10.       Termination. This Agreement (except for the provisions of Section 5)
          may be terminated by the Company at any time before it becomes
          effective in accordance with Section 9 by notice to the
          Representatives and may be terminated by the Representatives at any
          time before it becomes effective in accordance with Section 9 by
          notice to the Company. In the event of any termination of this
          Agreement under this or any other provision of this Agreement, there
          shall be no liability of any party to this Agreement to any other
          party, other than as provided in Sections 5, 6 and 11 and other than
          as provided in Section 12 as to the liability of defaulting
          Underwriters.


          This Agreement may be terminated after it becomes effective by the
          Representatives by notice to the Company (i) if at or prior to the
          First Closing Date trading in securities on any of the New York Stock
          Exchange, American Stock Exchange or Nasdaq National Market System
          shall have been suspended or minimum or maximum prices shall have been
          established on any such exchange or market, or a banking moratorium
          shall have been declared by New York or United States authorities;
          (ii) trading of any securities of the Company shall have been
          suspended on any exchange or in any over-the-counter market; (iii) if
          at or prior to the First Closing Date there shall have been (A) an
          outbreak or escalation of hostilities between the United States and
          any foreign power or of any other insurrection or armed conflict
          involving the United States or (B) any material and adverse change in
          financial markets or any calamity or crisis which, in the judgment of
          the Representatives, makes it impractical or inadvisable to offer or
          sell the Stock on the terms contemplated by the Prospectus; (iv) if
          there shall have been any development or prospective development
          involving particularly the business or properties or securities of the
          Company or any of its subsidiaries or the transactions contemplated by
          this Agreement, which, in the judgment of the Representatives, makes
          it impracticable or inadvisable to offer or deliver the Stock on the
          terms contemplated by the Prospectus; (v) if there shall be any
          litigation or proceeding, pending or threatened, which, in the
          judgment of the Representatives, makes it impracticable or inadvisable
          to offer or deliver the on the terms contemplated by the Prospectus;
          or (vi) if there shall have occurred any of the events specified in
          the immediately preceding clauses (i) - (v) together with any other
          such event that makes it, in the judgment of the Representatives,
          impractical or inadvisable to offer or deliver the Stock on the terms
          contemplated by the Prospectus.


11.       Reimbursement of Underwriters. Notwithstanding any other provisions
          hereof, if this Agreement shall not become effective by reason of any
          election of the Company or the Selling Stockholders pursuant to the
          first paragraph of Section 10 or shall be terminated by the
          Representatives under Section 8 or Section 10, the Company will bear
          and pay the expenses specified in Section 5 hereof and, in addition to
          its obligations pursuant to Section 6 hereof, the Company will
          reimburse the reasonable out-of-pocket expenses of the several
          Underwriters (including reasonable fees and disbursements of counsel
          for the Underwriters) incurred in connection with this Agreement and
          the proposed purchase of the Stock, and promptly upon demand the
          Company will pay such amounts to you as Representatives.


12.       Substitution of Underwriters. If any Underwriter or Underwriters shall
          default in its or their obligations to purchase shares of Stock
          hereunder and the aggregate number of shares which such defaulting
          Underwriter or Underwriters agreed but failed to purchase does not
          exceed ten percent 





                                       23
   24


          (10%) of the total number of shares underwritten, the other
          Underwriters shall be obligated severally, in proportion to their
          respective commitments hereunder, to purchase the shares which such
          defaulting Underwriter or Underwriters agreed but failed to purchase.
          If any Underwriter or Underwriters shall so default and the aggregate
          number of shares with respect to which such default or defaults occur
          is more than ten percent (10%) of the total number of shares
          underwritten and arrangements satisfactory to the Representatives and
          the Company for the purchase of such shares by other persons are not
          made within forty-eight (48) hours after such default, this Agreement
          shall terminate.


          If the remaining Underwriters or substituted Underwriters are required
          hereby or agree to take up all or part of the shares of Stock of a
          defaulting Underwriter or Underwriters as provided in this Section 12,
          (i) the Company and the Selling Stockholders shall have the right to
          postpone the Closing Dates for a period of not more than five (5) full
          business days in order that the Company and the Selling Stockholders
          may effect whatever changes may thereby be made necessary in the
          Registration Statement or the Prospectus, or in any other documents or
          arrangements, and the Company agrees promptly to file any amendments
          to the Registration Statement or supplements to the Prospectus which
          may thereby be made necessary, and (ii) the respective numbers of
          shares to be purchased by the remaining Underwriters or substituted
          Underwriters shall be taken as the basis of their underwriting
          obligation for all purposes of this Agreement. Nothing herein
          contained shall relieve any defaulting Underwriter of its liability to
          the Company, the Selling Stockholders or the other Underwriters for
          damages occasioned by its default hereunder. Any termination of this
          Agreement pursuant to this Section 12 shall be without liability on
          the part of any non-defaulting Underwriter, the Selling Stockholders
          or the Company, except for expenses to be paid or reimbursed pursuant
          to Section 5 and except for the provisions of Section 6.


13.       Notices. All communications hereunder shall be in writing and, if sent
          to the Underwriters shall be mailed, delivered or telegraphed and
          confirmed to you, as their Representatives c/o Cowen & Company at
          Financial Square, New York, New York 10005 except that notices given
          to an Underwriter pursuant to Section 6 hereof shall be sent to such
          Underwriter at the address furnished by the Representatives or, if
          sent to the Company, shall be mailed, delivered or telegraphed and
          confirmed c/o AccelGraphics, Inc., 1942 Zanker Road, San Jose,
          California 95112, Attention: President.


14.       Successors. This Agreement shall inure to the benefit of and be
          binding upon the several Underwriters, the Company and the Selling
          Stockholders and their respective successors and legal
          representatives. Nothing expressed or mentioned in this Agreement is
          intended or shall be construed to give any person other than the
          persons mentioned in the preceding sentence any legal or equitable
          right, remedy or claim under or in respect of this Agreement, or any
          provisions herein contained, this Agreement and all conditions and
          provisions hereof being intended to be and being for the sole and
          exclusive benefit of such persons and for the benefit of no other
          person; except that the representations, warranties, covenants,
          agreements and indemnities of the Company and the Selling Stockholders
          contained in this Agreement shall also be for the benefit of the
          person or persons, if any, who control any Underwriter or Underwriters
          within the meaning of Section 15 of the Securities Act or Section 20
          of the Exchange Act, and the indemnities of the several Underwriters
          shall also be for the benefit of each director of the Company, each of
          its officers who has signed the Registration Statement and the person
          or persons, if any, who control the Company or any Selling
          Stockholders within the meaning of Section 15 of the Securities Act or
          Section 20 of the Exchange Act.


15.       Applicable Law. This Agreement shall be governed by and construed in
          accordance with the laws of the State of New York.






                                       24
   25





16.       Authority of the Representatives. In connection with this Agreement,
          you will act for and on behalf of the several Underwriters, and any
          action taken under this Agreement by Cowen, as Representative, will be
          binding on all the Underwriters; and any action taken under this
          Agreement by any of the Attorneys-in-fact will be binding on all the
          Selling Stockholders.


17.       Partial Unenforceability. The invalidity or unenforceability of any
          Section, paragraph or provision of this Agreement shall not affect the
          validity or enforceability of any other Section, paragraph or
          provision hereof. If any Section, paragraph or provision of this
          Agreement is for any reason determined to be invalid or unenforceable,
          there shall be deemed to be made such minor changes (and only such
          minor changes) as are necessary to make it valid and enforceable.


18.       General. This Agreement constitutes the entire agreement of the
          parties to this Agreement and supersedes all prior written or oral and
          all contemporaneous oral agreements, understandings and negotiations
          with respect to the subject matter hereof.


          In this Agreement, the masculine, feminine and neuter genders and the
          singular and the plural include one another. The section headings in
          this Agreement are for the convenience of the parties only and will
          not affect the construction or interpretation of this Agreement. This
          Agreement may be amended or modified, and the observance of any term
          of this Agreement may be waived, only by a writing signed by the
          Company, the Selling Stockholders and the Representatives.


19.       Counterparts. This Agreement may be signed in two (2) or more
          counterparts, each of which shall be an original, with the same effect
          as if the signatures thereto and hereto were upon the same instrument.











                                       25
   26

          Any person executing and delivering this Agreement as Attorney-in-fact
          for the Selling Stockholders represents by so doing that the
          individual has been duly appointed as Attorney-in-fact by such Selling
          Stockholder pursuant to a validly existing and binding Power of
          Attorney which authorizes such Attorney-in-fact to take such action.


          If the foregoing correctly sets forth our understanding, please
          indicate your acceptance thereof in the space provided below for that
          purpose, whereupon this letter and your acceptance shall constitute a
          binding agreement between us.





                                              Very truly yours,

                                              ACCELGRAPHICS, INC.


                                              By:____________________________
                                                  President



                                              SELLING STOCKHOLDERS LISTED
                                              IN SCHEDULE B


                                              By:____________________________
                                                 Attorney-in-Fact
                                              Acting on [his] [her] own behalf
                                              and on behalf of the Selling
                                              Stockholders listed in Schedule B.














                                       26
   27



Accepted and delivered in
             o         as of
the date first above written.

COWEN & COMPANY
ROBERTSON, STEPHENS & COMPANY LLC
SOUNDVIEW FINANCIAL GROUP, INC.
    Acting on their own behalf and as Representatives of several Underwriters
    referred to in the foregoing Agreement.

By:    COWEN & COMPANY
By:    Cowen Incorporated,
       its general partner


       By: ______________________________
           John P. Dunphy
           Managing Director - Syndicate





























                                       27
   28


                                   SCHEDULE A




                                                                  Number        Number of
                                                                 of Firm        Optional
                                                                  Shares         Shares
                                                                  to be           to be
Name                                                            Purchased       Purchased
                                                                             

Cowen & Company .   .   .   .   .    .   .   .   .   .   .
Robertson, Stephens & Company LLC    .   .   .   .   .   .
SoundView Financial Group, Inc. .    .   .   .   .   .   .








Total                                                            2,600,000        390,000








                                   SCHEDULE A


   29


                                   SCHEDULE B





                                                                Number of       Number of
                                                                  Firm          Optional
                                                                Shares to       Shares to
                                                                 be Sold         be Sold
                                                                ----------     ----------
                                                                           

AccelGraphics, Inc.                                             2,145,000

SELLING STOCKHOLDERS
Kubota Corporation                                                113,464
Advanced Technology Venturers IV, L.P.                             85,958
John O. Burness                                                     3,375
John J. Caravello                                                   4,312
AVI Capital L.P.
Associated Ventures Investors II, L.P.
AVI Partners Growth Fund, L.P.
AVI Silicon Valley Partners, L.P.
STF II, L.P.                                                       69,864
Asset Management Associates 1996, L.P.                             33,333
Jeffrey W. Dunn                                                    23,064
Gregory C. Milliken                                                11,015
Nancy E. Bush                                                       7,125
Lew G. Epstein                                                      5,622
Niraj Swarup                                                        3,000

                                                             ------------        ------------
Total                                                           2,600,000            390,000 
                                                             ============        ============











                                   SCHEDULE B


   30


                      [Form of Opinion of Issuer's Counsel]           Exhibit I

[Date]


Cowen & Company 
Robertson, Stephens & Company LLC 
SoundView Financial Group, Inc.
     As representatives of the
     several Underwriters


c/o  Cowen & Company
     Financial Square
     New York, New York  10005

Re:  AccelGraphics, Inc.
2,600,000 Shares of Common Stock


Dear Sirs:


We have acted as counsel for AccelGraphics, Inc., a Delaware corporation (the
"Company"), in connection with the sale by the Company and purchase of ____
shares of Common Stock, par value $.001 per share, of the Company (the "Shares")
by the several Underwriters listed in Schedule A to the Underwriting Agreement,
dated ____, among the Company, Cowen & Company, Robertson, Stephens & Company,
LLC and SoundView Financial Group, Inc., as representatives of the several
Underwriters named therein, and the Selling Stockholders named in Schedule B
thereto (the "Underwriting Agreement"). This opinion is being furnished pursuant
to Section 8(f) of the Underwriting Agreement. All defined terms not defined
herein shall have the meanings ascribed to them in the Underwriting Agreement.


We are of the opinion that:


1. The Company and each of its subsidiaries have been duly incorporated and are
validly existing as corporations in good standing under the laws of their
respective jurisdictions of incorporation, to our knowledge are duly qualified
to do business and are in good standing as foreign corporations in each
jurisdiction in which their respective ownership or lease of property or the
conduct of their respective businesses requires such qualification, and have all
power and authority necessary to own or hold their respective properties and
conduct the businesses in which they are engaged;


2. The Company has an authorized capitalization as set forth in the Prospectus
as of the dates set forth therein, and all of the issued shares of capital stock
of the Company have been duly and validly authorized and issued, are fully paid
and non-assessable and all of the Shares to be issued and sold by the Company
and the Selling Stockholders to the Underwriters pursuant to the Underwriting
Agreement have been duly and validly authorized and, when issued and delivered
against payment therefor as provided for in the Underwriting Agreement, shall be
duly and validly issued, fully paid and non-assessable; and all of the issued
shares of capital stock of each subsidiary of the Company have been duly and
validly authorized and issued and are fully paid, non-assessable and are owned
directly or indirectly by the Company, free and clear of all liens,
encumbrances, equities or claims;


3. There are no preemptive or other rights to subscribe for or to purchase, nor
any restriction upon the voting or transfer of, any of the Shares pursuant to
the Company's Certificate of Incorporation or By-Laws or to our knowledge any
agreement or other instrument;







   31


4. To our knowledge, other than as described in the Prospectus there are no
legal or governmental proceedings pending to which the Company or any of its
subsidiaries is a party or of which any property or assets of the Company or any
of its Subsidiaries is the subject which, if determined adversely to the Company
or any of its subsidiaries, could have a material adverse effect on the Company
and its subsidiaries; and, to the best of our knowledge, no such proceedings are
threatened or contemplated by governmental authorities or other third parties;


5. The Company has full corporate power and authority to enter into the
Underwriting Agreement and to perform its obligations thereunder (including to
issue, sell and deliver the Shares), and the Underwriting Agreement has been
duly and validly authorized, executed and delivered by the Company and is a
valid and binding obligation of the Company, enforceable against the Company in
accordance with its terms, except to the extent that rights to indemnification
and contribution thereunder may be limited by federal or state securities laws
or the public policy underlying such laws;


6. To our knowledge, the execution, delivery and performance of the Underwriting
Agreement and the consummation of the transactions therein contemplated other
than performance of the Company's indemnification obligations under the
Underwriting Agreement, concerning which we express no opinion, will not result
in a breach or violation of any of the terms or provisions of or constitute a
default under any indenture, mortgage, deed of trust, note agreement or other
agreement or instrument to which the Company or any of its subsidiaries is a
party or by which any of them or any of their properties is or may be bound, the
Certificate of Incorporation, By-laws or other organizational documents of the
Company or any of its subsidiaries, or any law, order, rule or regulation of any
court or governmental agency or body having jurisdiction over the Company or any
of its subsidiaries or any of their properties or result in the creation of a
lien; provided, however, that we express no opinion or belief with respect to
state securities or blue sky laws;


7. No consent, approval, authorization or order of any court or governmental
agency or body is required for the consummation by the Company of the
transactions contemplated by the Underwriting Agreement, except such as may be
required by the National Association of Securities Dealers, Inc. (the "NASD") or
under the Securities Act or the securities or "Blue Sky" laws of any
jurisdiction in connection with the purchase and distribution of the Shares by
the Underwriters;


8. To our knowledge, the Company and each of its subsidiaries are in compliance
with, and conduct their businesses in conformity with, all applicable federal,
state, local and foreign laws, rules and regulations, including, but not limited
to, those of any governmental agency, court or tribunal; to our knowledge, no
prospective change in any of such federal, state, local or foreign laws, rules
or regulations has been adopted which, when made effective, would have a
material adverse effect on the operations of the Company and its subsidiaries.


9. The Registration Statement was declared effective under the Securities Act as
of __________, 1997, the Prospectus was filed with the Commission pursuant to
Rule 424(b) of the Rules and Regulations on __________, 1997 and no stop order
suspending the effectiveness of the Registration Statement has been issued and
no proceeding for that purpose is pending or, to the best of our knowledge,
threatened by the Commission;


10. The Registration Statement and the Prospectus and any amendments or
supplements thereto comply as to form in all respects with the requirements of
the Securities Act and the Rules and Regulations.




   32




11. To our knowledge, there are no contracts or other documents which are
required by the Securities Act or by the Rules and Regulations to be described
in the Prospectus or filed as exhibits to the Registration Statement which have
not been described in the Prospectus or filed as exhibits to the Registration
Statement or incorporated therein by reference as permitted by the Rules and
Regulations;


12. To our knowledge, other than as described in the Prospectus, there are no
contracts, agreements or understandings between the Company and any person
granting such person the right (other than rights which have been waived or
satisfied) to require the Company to file a registration statement under the
Securities Act with respect to any securities of the Company owned or to be
owned by such person or to require the Company to include such securities in the
securities registered pursuant to this Registration Statement or in any
securities being registered pursuant to any other registration statement filed
by the Company under the Securities Act;


l3. To our knowledge, the descriptions in the Registration Statement and
Prospectus of statutes, rules, regulations, legal or governmental proceedings,
contracts and other documents are accurate and such descriptions fairly present
the information required to be disclosed by the Securities Act and the Rules and
Regulations; and to our knowledge, there are no legal or governmental
proceedings, statutes, ruler or regulations, or any contracts or documents of a
character required to be described in the Registration Statement or Prospectus
or to be filed as exhibits to the Registration Statement which are not described
and filed as required;


14. To our knowledge, the statements under the captions "Risk Factors," to the
extent they reflect matters of federal law arising under the federal laws of the
United States or legal conclusions relating to such law, accurately summarize
and fairly present the legal and regulatory matters described therein;


15. The Company has complied with all provisions of Section 517.075 of the
Florida Statutes (Chapter 92-198; Laws of Florida); and


The foregoing opinion is limited to matters governed by the Federal laws of the
United States of America, the general corporate law of the State of Delaware and
the laws of the State of California.


We have acted as counsel to the Company on a regular basis, have acted as
counsel to the Company in connection with previous financing transactions and
have acted as counsel to the Company in connection with the preparation and
filing of the Registration Statement and the Prospectus, and based on the
foregoing and except with respect to any matters related to intellectual
property or the financial statements and related schedules set forth in the
Registration Statement, no facts have come to our attention which lead us to
believe that the Registration Statement or any amendment thereto, as of the
Effective Date, contained any untrue statement of a material fact or omitted to
state a material fact required to be stated therein or necessary in order to
make the statements therein not misleading, or that the Prospectus contains any
untrue statement of a material fact or omits to state a material fact Required
to be stated therein or necessary in order to make the statements therein, in
light of the circumstances under which they were made, not misleading.


                                                  Very truly yours,


                                                  [Signatory]

                                                  By:  ________________________
                                                       Name:
                                                       Title:


   33

                           [Form of Lock-Up Agreement]               Exhibit II

[Date]


Cowen & Company
Robertson, Stephens & Company
SoundView Financial Group, Inc.
     As representatives of the
     several Underwriters


c/o  Cowen & Company
     Financial Square
     New York, New York  10005


     Re:  AccelGraphics, Inc.
     ____ Shares of Common Stock


Dear Sirs:

In order to induce Cowen & Company ("Cowen"), Robertson Stephens & Company, and
SoundView Financial Group, Inc. (together with Cowen, the "Representatives"), to
enter in to a certain underwriting agreement with AccelGraphics, Inc., a
California corporation (the "Company"), with respect to the public offering of
shares of the Company's Common Stock ("Common Stock"), the undersigned hereby
agrees that from the date hereof until 180 days following the date of the final
prospectus filed by the Company with the Securities and Exchange Commission in
connection with such public offering, the undersigned will not, without the
prior written consent of Cowen, directly or indirectly, (i) offer, sell, assign,
transfer, encumber, pledge, contract to sell, grant an option to purchase or
otherwise dispose of, other than by operation of law, any shares of Common Stock
(including, without limitation, Common Stock which may be deemed to be
beneficially owned by the undersigned in accordance with the rules and
regulations promulgated under the Securities Act of 1933, as the same may be
amended or supplemented from time to time (such shares, the "Beneficially Owned
Shares")) or (ii) enter into any swap or similar agreement that transfers, in
whole or in part, the economic risk of ownership of the Common Stock, whether
any such transaction described in clause (i) or (ii) above is to be settled by
delivery of Common Stock or such other securities, in cash or otherwise, and
whether any such transaction relates to Common Stock now owned or hereafter
acquired by the undersigned.

Anything contained herein to the contrary notwithstanding, any person to whom
shares of Common Stock or Beneficially Owned Shares are transferred from the
undersigned shall be bound by the terms of this Agreement.

In order to enable the aforesaid covenants to be enforced, the undersigned
hereby consents to the placing of legends and/or stop-transfer orders with the
transfer agent of the Common Stock with respect to any shares of Common Stock or
Beneficially Owned Shares.


                                                     Very truly yours,


                                                     [Signatory]

                                                     By:  _____________________
                                                          Name:
                                                          Title:







                                       1

   34


               [Form of Opinion of Selling Stockholders' Counsel]   Exhibit III



[Date]


Cowen & Company Robertson, Stephens & Company LLC SoundView Financial Group,
Inc.
     As representatives of the
     several Underwriters


c/o  Cowen & Company
     Financial Square
     New York, New York  10005


     Re:  AccelGraphics, Inc.
     2,600,000 Shares of Common Stock



Dear Sirs:

We have acted as counsel for certain Selling Stockholders (the "Selling
Stockholders") in connection with the sale by the Selling Stockholders and
purchase of ________ shares (the "Shares") of Common Stock of AccelGraphics,
Inc., a Delaware corporation (the "Company"), par value $.001 per share, by the
several Underwriters listed in Schedule A to the Underwriting Agreement, dated
________, among the Company, Cowan & Company, Robertson, Stephens & Company LLC
, and SoundView Financial Group, Inc., as representatives of the several
Underwriters named therein, and the Selling Stockholders named in Schedule B
thereto (the "Underwriting Agreement"). This opinion is being furnished pursuant
to Section 8(g) of the Underwriting Agreement. All defined terms not defined
herein shall have the meaning ascribed to them in the Underwriting Agreement.

We are of the opinion that:

1. To our knowledge each Selling Stockholder has all right, power and authority
to sell, transfer, assign and deliver the Shares being sold by it pursuant to
the Underwriting Agreement, and, upon delivery of the payment for such Shares
thereunder, each of the several Underwriters will acquire valid and marketable
title to such stock being sold to the Underwriters by it free and clear of any
liens, encumbrances, equities, claims or restrictions on transfer, assuming that
the Underwriters are acquiring such Shares in good faith and without notice of
any adverse claim with respect to the Shares;

2. Each Selling Stockholder has full power and authority to enter into the
Underwriting Agreement and the applicable Custody Agreement and Power of
Attorney and to perform its obligations thereunder and, by execution and
delivery of the Underwriting Agreement and the applicable Custody Agreement and
Power of Attorney, has created a valid and binding obligation of such Selling
Stockholder in accordance with their terms, except to the extent that rights to
indemnity and contribution thereunder may be limited by federal or state
securities laws or the public policy underlying such laws;



3. To our knowledge the execution and delivery of the Underwriting Agreement and
the applicable Custody Agreement and Power of Attorney by each Selling
Stockholder and the consummation of the transactions






                                        1
   35

contemplated thereby will not conflict with or violate any law, rule, or
regulation applicable to Selling Stockholder; and

4. The sale of the Shares to the Underwriters by each Selling Stockholder
pursuant to the Underwriting Agreement, the compliance by such Selling
Stockholder with the provisions of the Underwriting Agreement and the applicable
Custody Agreement and Power of Attorney, and the consummation of the
transactions contemplated therein, do not (a) require the consent, approval,
authorization, registration, or qualification of or with any governmental
authority, except such as have been obtained and such as may be required under
state securities or "Blue Sky" laws, or (b) to our knowledge, conflict with or
result in a breach or violation of any of the terms and provisions of, or
constitute a default under, any indenture, mortgage, deed of trust, lease or
other material agreement or instrument to which such Selling Stockholder is a
party or by which the Selling Stockholder or any of its properties, are bound,
or any statute, rule or regulation or any judgment, decree or order of any court
or other governmental authority or any arbitrator applicable to such Selling
Stockholder.




                                                      Very truly yours,


                                                      [Signatory]

                                                      By:  ____________________
                                                           Name:
                                                           Title: