EXECUTION COPY

                               SECOND AMENDMENT TO
                  SECOND AMENDED AND RESTATED CREDIT AGREEMENT

         THIS SECOND  AMENDMENT TO SECOND AMENDED AND RESTATED CREDIT  AGREEMENT
(this  "Amendment"),  dated as of September  30, 1996,  is entered into by and
among:

                  (1)  BELL   MICROPRODUCTS   INC.,  a  California   corporation
         ("Borrower");

                  (2) Each of the financial institutions listed in Schedule I to
         the Credit Agreement referred to in Recital A below (collectively,  the
         "Banks"); and

                  (3)  SUMITOMO  BANK  OF  CALIFORNIA,   a  California   banking
         corporation, as agent for the Banks (in such capacity, "Agent").

                                   RECITALS

         A.  Borrower,  the Banks and Agent are parties to a Second  Amended and
Restated  Credit  Agreement dated as of May 23, 1995, as amended by that certain
First Amendment to Second Amended and Restated Credit Agreement dated as of June
25, 1996 (the "Credit Agreement").

         B.  Borrower  has  requested  the Banks  and Agent to amend the  Credit
Agreement in certain respects.

         C. The Banks and Agent are  willing  so to amend the  Credit  Agreement
upon the terms and subject to the conditions set forth below.

                                    AGREEMENT

         NOW,  THEREFORE,  in  consideration of the above recitals and for other
good and  valuable  consideration,  the receipt and adequacy of which are hereby
acknowledged, Borrower, the Banks and Agent hereby agree as follows:

         1. Definitions, Interpretation. All capitalized terms defined above and
elsewhere  in  this  Amendment  shall  be used  herein  as  so  defined.  Unless
otherwise defined herein, all other capitalized terms used herein shall have the
respective meanings given to those terms in the Credit Agreement,  as amended by
this Amendment.  The rules of construction  set forth in Section I of the Credit
Aqreement shall, to the extent not inconsistent with








the terms of this Amendment, apply to this Amendment and are hereby incorporated
by reference.

         2. Amendments to Credit Agreement.  Subject to the conditions set forth
in paragraph 4 below, the Credit Agreement is hereby amended as follows:

                  (a) Clause  (i) of Subparagraph 5.02 (m) is amended to read in
         its entirety as follows:

                           (i) Its Quick Ratio  to be less than 0.50  to 1.00 at
                  any time;

                  (b) Clause (iv) of  Subparagraph  5.02.(m)  is amended to read
         in its entirety as follows:

                           (iv) Its Leverage  Ratio to  be  greater than 2.50 to
                  1.00 at any time;

         3.  Representations  and Warranties.  Borrower  hereby  represents  and
warrants to Agent and the Banks that,  on the date of this  Amendment  and after
giving effect to the amendments set forth in paragraph 2  above on the Amendment
Effective  Date (as  defined  below),  the  following  are and shall be true and
correct on each such date:

                  (a) The  representations and warranties set forth in Paragraph
         4.01 of the  Credit  Agreement  are true and  correct  in all  material
         respects;

                  (b) No  Event  of  Default  or  Default  has  occurred  and is
         continuing; and

                  (c) Each of the Credit Documents is in full force and effect.

         4. Amendment  Effective  Date.  The amendments  effected by paragraph 2
above shall become  effective on September  30, 1996 (the  "Amendment  Effective
Date"),  subject to receipt by the Banks and Agent on or prior to the  Amendment
Effective Date of the following,  each in form and substance satisfactory to the
Banks, Agent and their respective counsel:

                  (a) This  Amendment  duly executed by Borrower,  each Bank and
         Agent;

                  (b) A  Certificate  of the  Secretary of  Borrower,  dated the
         Amendment  Effective  Date,  certifying  that  (i) the  Certificate  of
         Incorporation and Bylaws of Borrower, in the form delivered to Agent on
         the  Effective  Date,  are in full  force and  effect and have not been
         amended,  supplemented,  revoked or  repealed  since such date and (ii)
         that attached thereto are true and correct copies of resolutions duly

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         adopted by the Board of Directors of Borrower and continuing in effect,
         which authorize the execution,  delivery and performance by Borrower of
         this Amendment and the  consummation of the  transactions  contemplated
         hereby; and

                  (c) Such other  evidence  as Agent or any Bank may  reasonably
         request  to   establish   the   accuracy   and   completeness   of  the
         representations  and warranties  and the compliance  with the terms and
         conditions contained in this Amendment and the other Credit Documents.

         5.  Effect of this  Amendment.   On and after the  Amendment  Effective
Date, each reference in the Credit  Agreement and the other Credit  Documents to
the Credit Agreement shall mean the Credit  Agreement as amended hereby.  Except
as  specifically  amended above,  (a) the Credit  Agreement and the other Credit
Documents  shall  remain in full force and effect  and are hereby  ratified  and
confirmed and (b) the execution,  delivery and  effectiveness  of this Amendment
shall  not,  except as  expressly  provided  herein,  operate as a waiver of any
right,  power,  or remedy of the Banks or Agent,  nor constitute a waiver of any
provision of the Credit Agreement or any other Credit Document.

         6.       Miscellaneous.

                  (a) Counterparts. This Amendment may be executed in any number
         of identical  counterparts,  any set of which signed by all the parties
         hereto shall be deemed to constitute a complete,  executed original for
         all purposes.

                  (b) Headings.  Headings in this Amendment are for  convenience
         of reference only and are not part of the substance hereof.

                  (c)  Governing  Law. This  Amendment  shall be governed by and
         construed  in  accordance  with  the laws of the  State  of  California
         without reference to conflicts of law rules.

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         IN WITNESS WHEREOF,  Borrower, the Agent and the Banks have caused this
Amendment to be executed as of the day and year first above written.

BORROWER:                        BELL MICROPRODUCTS INC.

                                 By:      /s/ W. DONALD BELL
                                     -------------------------------------------
                                     Name:  W. Donald Bell
                                     Title: President, CEO and Chairman of the
                                            Board


AGENT:                     .     SUMITOMO BANK OF CALIFORNIA,
                                 As Agent


                                 By:
                                     -------------------------------------------
                                     Name:
                                     Title:


                                 By:
                                     -------------------------------------------
                                     Name:
                                     Title:


BANKS:                           SUMITOMO BANK OF CALIFORNIA,
                                 As a Bank


                                 By:
                                     -------------------------------------------
                                     Name:
                                     Title:


                                 By:
                                     -------------------------------------------
                                     Name:
                                     Title:

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         IN WITNESS WHEREOF,  Borrower, the Agent and the Banks have caused this
Amendment to be executed as of the day and year first above written.

BORROWER:                        BELL MICROPRODUCTS INC.

                                 By:  /s/ REMO CANESSA
                                     -------------------------------------------
                                     Name:  Remo Caness
                                     Title: Vice President of Finance


AGENT:                     .     SUMITOMO BANK OF CALIFORNIA,
                                 As Agent


                                 By:
                                     -------------------------------------------
                                     Name:
                                     Title:


                                 By:
                                     -------------------------------------------
                                     Name:
                                     Title:


BANKS:                           SUMITOMO BANK OF CALIFORNIA,
                                 As a Bank


                                 By:
                                     -------------------------------------------
                                     Name:
                                     Title:


                                 By:
                                     -------------------------------------------
                                     Name:
                                     Title:

                                       4





         IN WITNESS WHEREOF,  Borrower, the Agent and the Banks have caused this
Amendment to be executed as of the day and year first above written.

BORROWER:                        BELL MICROPRODUCTS INC.

                                 By:
                                     -------------------------------------------
                                     Name:
                                     Title:


AGENT:                     .     SUMITOMO BANK OF CALIFORNIA,
                                 As Agent


                                 By:   /s/  S.C. BELLICINI
                                     -------------------------------------------
                                     Name:  S.C. Bellicini
                                     Title: Vice President


                                 By:   /s/  F. CLARK WARDEN
                                     -------------------------------------------
                                     Name:  F. Clark Warden
                                     Title: Sr. Vice President


BANKS:                           SUMITOMO BANK OF .CALIFORNIA,
                                 As a Bank


                                 By:   /s/  S.C. BELLICINI
                                     -------------------------------------------
                                     Name:  S.C. Bellicini
                                     Title: Vice President


                                 By:  /s/   F. CLARK WARDEN
                                     -------------------------------------------
                                     Name:  F. Clark Warden
                                     Title: Sr. Vice President

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                         UNION BANK OF CALIFORNIA, N.A.,
                         As a Bank


                         By:   /s/  FRANK B. GWYNN
                             ---------------------------------------------------
                             Name:  Frank B. Gwynn
                             Title: Regional Manager


                         By:   /s/  KELLY D. TAKAHASHI
                             ---------------------------------------------------
                             Name:  Kelly D. Takahashi
                             Title: Vice President


                         THE FIRST NATIONAL BANK OF BOSTON,


                         By: 
                             ---------------------------------------------------
                             Name:
                             Title:

                         COMERICA BANK CALIFORNIA, 
                         As a Bank


                         By: 
                             ---------------------------------------------------
                             Name:
                             Title:

                         THE SUMITOMO BANK, LIMITED, 
                         As a Bank


                         By: 
                             ---------------------------------------------------
                             Name:
                             Title:


                         By: 
                             ---------------------------------------------------
                             Name:
                             Title:


                                       5




                         UNION BANK OF CALIFORNIA, N.A.,
                         As a Bank


                         By: 
                             ---------------------------------------------------
                             Name:
                             Title:


                         By: 
                             ---------------------------------------------------
                             Name:
                             Title:


                         THE FIRST NATIONAL BANK OF BOSTON,


                         By:   /s/  LEE A MERKLE
                             ---------------------------------------------------
                             Name:  Lee A. Merkle
                             Title: Vice President

                         COMERICA BANK CALIFORNIA, 
                         As a Bank


                         By: 
                             ---------------------------------------------------
                             Name:
                             Title:

                         THE SUMITOMO BANK, LIMITED, 
                         As a Bank


                         By: 
                             ---------------------------------------------------
                             Name:
                             Title:


                         By: 
                             ---------------------------------------------------
                             Name:
                             Title:


                                       5




                         UNION BANK OF CALIFORNIA, N.A.,
                         As a Bank


                         By: 
                             ---------------------------------------------------
                             Name:
                             Title:


                         By: 
                             ---------------------------------------------------
                             Name:
                             Title:


                         THE FIRST NATIONAL BANK OF BOSTON,


                         By: 
                             ---------------------------------------------------
                             Name:
                             Title:

                         COMERICA BANK CALIFORNIA, 
                         As a Bank


                         By:   /s/  SCOTT T. SMITH
                             ---------------------------------------------------
                             Name:  Scott T. Smith
                             Title: Assistant Vice President

                         THE SUMITOMO BANK, LIMITED, 
                         As a Bank


                         By: 
                             ---------------------------------------------------
                             Name:
                             Title:


                         By: 
                             ---------------------------------------------------
                             Name:
                             Title:


                                       5




                         UNION BANK OF CALIFORNIA, N.A.,
                         As a Bank


                         By: 
                             ---------------------------------------------------
                             Name:
                             Title:


                         By: 
                             ---------------------------------------------------
                             Name:
                             Title:


                         THE FIRST NATIONAL BANK OF BOSTON,


                         By: 
                             ---------------------------------------------------
                             Name:
                             Title:

                         COMERICA BANK CALIFORNIA, 
                         As a Bank


                         By: 
                             ---------------------------------------------------
                             Name:
                             Title:

                         THE SUMITOMO BANK, LIMITED, 
                         As a Bank


                         By:   /s/  J. WILLIAM BLOORE
                             ---------------------------------------------------
                             Name:  J. William Bloore
                             Title: Assistant Vice President


                         By:   /s/  CAROLE A. DALEY
                             ---------------------------------------------------
                             Name:  Carole A. Daley
                             Title: Vice President


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