1
                                                                   Exhibit 10.17


              [Letterhead of Micron Custom Manufacturing Services]

                                                                  July 31st 1997

R.S. Roadstar Electronics Sdn. Bhd.
No. 37, 104000 Anson Road
Penang, Malaysia

Attn: Mr. KK Leong:

Re:   Tenancy Agreement, dated October 1, 1996, between R.S. Roadstar
      Electronics Sdn. Bhd. and M.C.M.S. Sdn. Bhd. (the "Tenancy Agreement")

Dear Mr. Leong:

      I write this letter on behalf of M.C.M.S. Sdn. Bhd. (the "Company") to
exercise the Company's option set forth in Section 5(c) of the Tenancy Agreement
to extend the term of the Company's tenancy for an additional one year term.
Such additional one year term shall be governed by the covenants and provisions
set forth in the Tenancy Agreement (other than Section 5(c)); provided, however,
that, notwithstanding anything to the contrary in the Tenancy Agreement, the
Company shall have the right to terminate its tenancy at any time during such
additional one year term for convenience and without penalty upon providing
Ninety (90) days prior written notice to R.S. Roadstar Electronics Sdn. Bhd.

      Please acknowledge your receipt and acceptance of this letter by signing
below on the space provided.

Monthly rent shall be increased                 Very truly yours,  
By 5% per maximum allowable                                        
Increased as stated in the                                         
Lease Agreement. 5% increase to                 /s/ Ron Gines      
start in October 1, 1997. Rent to               --------------------------
increase From RM36,000 to RM37,800              Ron Gines          
                                                Managing Director

Acknowledged and agreed to by:

R.S. Roadstar Electronics Sdn. Bhd.


/s/ [ILLEGIBLE]
- -------------------------
Name:
Title

                                                                            COPY
   2

                                      COPY

                               TENANCY AGREEMENT

      THIS AGREEMENT is made 1st day of October _ 1996, between R.S. ROADSTAR
ELECTRONICS (M) SDN. BHD., (Company No. ) a company incorporated in Malaysia and
having its registered office at No. 37, 10400 Anson Road, Penang (hereinafter
called "the Landlord") of the one part and M.C.M.S. SDN. BHD., (Company
No.399136--M) (formerly known as Courageous Expedition Sdn. Bhd.,) a company
incorporated in Malaysia and having its registered office at 4th Floor (Room
4--01) Wisna Penang Garden, Jalam Sultan Ahmad Shan, Penang (hereinafter called
"the Tenant") of the other part.

      WHEREAS the Landlord is the registered proprietor of all that piece of
land and hereditament held under Plots 12 & 13 Free Trade Zone, Phase 4, Bayan
Lepas, Penang together with the factory building erected thereon (hereinafter
called "the said premises").

      AND WHEREAS the Landlord is desirous of letting and the Tenant is desirous
of taking the whole of the said premises upon the rental and subject to the
terms and conditions contained herein.

      NOW IT IS HEREBY AGREED as follows :-

1. In consideration of the rent, covenants and hereinafter reserved and
contained and on the part of the Tenant to be paid, observed and performed, the
Landlord hereby lets unto the Tenant the said premises, and to hold the same
unto the Tenant for a term of one (1) year commencing from 1st day of October
1996 to 30th day of September 1997 (hereinafter called "the term created")
subject to the covenants and conditions hereinafter contained and the Tenant
paying Landlord :-

      i)    the monthly rent of Ringgit Malaysia Thirty Six Thousand (RM36,000)
            per month for the term herein created (i.e. from 1st October 1996 to
            September 1997).

      ii)   the monthly rentals shall be paid monthly in advance. The first
            rental shall be paid on the 1st October 1996 and all subsequent
            monthly rentals shall be paid on or before the 1st day of each and
            every succeeding calendar month.

                                                                            COPY
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                                      -2-


            Notwithstanding, for all purposes under this Agreement, rentals paid
            within seven (7) of being due shall be considered to be paid in a
            timely manner.

      iii)  on or before the execution of this Agreement the Tenant shall pay
            the Landlord a deposit in the sum of Ringgit Malaysia Thirty Six
            Thousand (RM36,000.00) being equivalent to the rental for one (1)
            month (hereinafter called "said Deposit") as security for the due
            performance and observations of the terms and conditions herein by
            the Tenant. This said deposit shall be increased upon any subsequent
            increase of rental and shall be applied in the manner as stated in
            Clause 2 hereof.

2.    The said Deposit shall be applied as follows :

      (a)   If at any time during the tern herein created or any extension or
            renewal thereof, any of the reserved rent or any other obligations
            shall be overdue, the Landlord may in its absolute discretion
            appropriate and apply any portion of the said Deposit to the payment
            of any such overdue rent reserved or other sums due to the Landlord.

      (b)   Subject to paragraph 2 (a) above, in the event of the failure of the
            Tenant to perform any other conditions of this Agreement, the
            Landlord may appropriate so much of the said deposit as may be
            necessary to compensate the Landlord due to a breach on part of the
            Tenant. Any such apportionment by the Landlord of the deposit or any
            part thereof hereunder shall not be deemed and shall not operate to
            waive the Tenant's breach or default.

      (c)   Should the Deposit or any portion thereof be appropriated by the
            Landlord as aforesaid then the Tenant shall upon demand by the
            Landlord within seven (7) days from the date thereof pay to the
            Landlord the amount of the sum so appropriated and it is hereby
            agreed that the said Deposit shall not without the prior consent in
            writing of the Landlord be deemed to be treated as payment of rent
            and on the expiration or sooner termination of the term hereby
            created and upon the Tenant
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                                      -3-


            vacating the said premises the Landlord shall return the said
            Deposit to the Tenant forthwith free of interest cost or
            compensation less such sum or sums as may then be owing to the
            Landlord or in respect of any such sums for payment of water and
            electricity, telephone and the likes to the Appropriate Authority.

3. The Tenant hereby covenants with the Landlord as follows:

      (a)   To pay the said rents at the times and in the manner aforesaid;

      (b)   To pay the said Deposit in accordance with Clause 1 (iii);

      (c)   To pay the deposits and all charges for the supply of water and
            electricity, telephone, trade refuse and other utilities in respect
            of the said premises during the term herein created and to keep the
            Landlord indemnified for any loss expenses or damage arising from
            any defaults or breach thereof, or non-payment;

      (d)   Not to assign underlet or part with the possession of the said
            premises or any part thereof during the term herein created without
            the prior written consent of the Landlord whose consent shall not be
            unreasonably withheld;

      (e)   Not to carry out any material alterations , renovations or to
            carry out any extension to the said premises except as approved by
            the Landlord and subject to any necessary planning permission being
            granted by the relevant Authorities.

      (f)   The Tenant's fixtures and fittings (if any) shall be specified in
            the Schedule to be annexed hereto and shall be removed by the Tenant
            at its expense and costs and the Tenant shall restore the said
            premises to its original state and condition less ordinary wear and
            tear as at the commencement of the term herein created upon the
            expiration or other sooner termination of this Agreement, PROVIDED
            however, that the Landlord shall deal with the fixtures and fittings
            as the Landlord shall deem fit without being liable to the Tenant
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                                      -4-

            in the event the Tenant does not remove the Tenant's fixtures and
            fittings within thirty (30) days from the date of termination of
            this Agreement.

      (g)   To maintain and keep the said premises including but not limited to
            the walls, floors, toilets, sanitary pipes, electrical wiring and
            other installations therein in good and tenantable repair and
            condition throughout the term herein created;

      (h)   Not to do or permit or suffer to be done anything whereby the said
            premises may be damaged, and any damage done or caused by the
            Tenant, its agent, employee, or licensee shall be made good by the
            Tenant at the expense of the Tenant;

      (i)   Not to store or bring upon the said premises any articles of a
            combustible or dangerous nature.

      (j)   Not to use the said premises for any unlawful or immoral purposes.

      (k)   To apply for all the necessary approvals and licences from all the
            relevant authorities and in all respects to comply with all the
            legal provisions, either Federal or local, in regard to the tenancy
            of the said premises and the carrying of the trade or business for
            the time being carried out upon the said premises.

      (l)   Not to do or permit to be done anything which will or may infringe
            any laws by-laws or regulations made by the Government or any other
            competent authority in respect of or affecting the said premises and
            the business being carried out by the Tenant upon the said premises
            and to indemnify the Landlord against all claims, actions and
            demands in respect thereof.

      (m)   To permit the Landlord and its authorised agents at all reasonable
            times in the day but with three (3) days prior notice to enter upon
            and examine the condition of the said premises.

      (n)   To use the said premises for the purpose of the Tenant's electronics
            business or and for purposes ancillary thereto and not to use the
            said premises or suffer or permit the same to be used for any
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                                      -5-


            other purpose whatsoever except with previous written consent of the
            Landlord which consent shall not be unreasonably withheld.

      (o)   Upon the expiration or sooner termination of the term herein created
            to deliver up peaceably the possession of the said premises to the
            Landlord or its authorised agent or to any person lawfully claiming
            under it in accordance with the conditions herein contained.

      (p)   Not to use the said premises or suffer or permit the same to be used
            for any offensive noisy or dangerous trade business performance or
            occupation or for any purpose or in any manner which may be a
            nuisance to the Landlord or the owners of or occupiers of
            neighbouring or adjacent premises. On written notice being served on
            the said premises by the Landlord or by its surveyor requiring the
            Tenant to abate any nuisance caused by vibration noise or offensive
            smell or by any undue emission of smoke vapour or dust, with all
            reasonable despatch after the service of such notice, to abate such
            nuisance accordingly.

      (q)   To take such measures as may be necessary to ensure that any
            effluent discharged into the drains or sewers which belongs to or
            are used for the said premises will not be corrosive or anyway
            harmful or cause any destruction or deposit therein and to comply
            with all the regulations of the Department of Environment.

      (r)   Not to do or permit or suffer to be done anything whereof the Policy
            of Insurance on the said premises or any adjoining or neighbouring
            premises against damage by fire or tempest may become void or
            voidable or whereof the rates of premium thereon may be increased
            and to repay to the Landlord all sums paid by way of increased
            premiums and all expenses incurred by them in or about the renewal
            of such policy or policies rendered necessary by a breach of this
            contract and all such payments shall be made immediately on demand.

4. The Landlord hereby covenants with the Tenant as follows :-

      (a)   To pay the quit rent and assessment payable to the local authority
            in respect of the said premises;
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                                      -6-


      (b)   To permit the Tenant if it punctually pays the rent hereby reserved
            and observes the stipulations and covenants on its part herein
            contained to enjoy the said premises without any disturbances by the
            Landlord or any person lawfully claiming under or in trust for the
            Landlord.

      (c)   To insure the said premises (but not the contents thereof) against
            loss or damage by fire or tempest and to cause all money received by
            virtue of such insurance to be laid out forthwith in rebuilding and
            reinstating the said premises and to make up any deficiency out of
            their own way provided that the Landlord's obligations under this
            covenant still cease if the insurance shall be rendered void by
            reason of any act or default of the Tenant. In case the said
            premises or any part thereof shall at any time be unfit for
            substantial occupation or use and the policy or policies effected by
            the Landlord shall not have been invalidated or payment of policy
            moneys refused in consequence of some act or default of the tenant,
            the rents hereby reserved or a just and fair proportion thereof
            according to the nature and extent of the actual damage done (and as
            reasonably certified by the Landlord's surveyor) shall be suspended
            as from the happening of the said fire or tempest until the said
            premises shall be again rendered fit for occupation and use but the
            tenancy shall in no way be invalidated.

5. PROVIDED ALWAYS AND IT IS HEREBY AGREED as follows :-

      (a)   If the rent hereby reserved or any part thereof shall be in arrears
            and unpaid for (7) days after becoming due and payable (whether
            formally demanded or not) or if any of the covenants stipulations or
            agreement on the part of the Tenant herein contained shall not be
            observed or performed and the Tenant has failed to cure such
            non-observance or non-performance within fifteen (15) days after
            receiving notice thereof or if the Tenant or its successors shall
            permit or suffer any distress of attachment of execution to be
            levied on the said premises then and in any of the said cases it
            shall be lawful for the Landlord at any time thereafter to re-enter
            upon the said premises or any part thereof and thereupon this
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                                      -7-


            tenancy shall absolutely determine but without prejudice to the
            Landlord's right of action in respect of any antecedent breach of
            the Tenant's covenants herein contained.

      (b)   Except as otherwise provided herein the Tenant agrees to occupy use
            and keep the said premises at the risk of the Tenant and hereby
            releases to the full extent permitted by law the Landlord and its
            servants and agents from all claims summonses actions proceedings
            and demands which may be brought levied or made against it and from
            all liability which may arise in respect of any person of whatsoever
            nature or kind in or near the said premises, in all cases arising
            out of the Tenant's wrongful acts or breach of this Agreement.

      (c)   The Landlord will at the written request of the Tenant made two
            calendar months before the expiration of the term herein created and
            if there shall not at the time of such request be any existing
            breach or non observance of any of the covenants on the part of the
            Tenant to be performed and herein contained, at the expense of the
            Tenant, to grant to him a tenancy of the said premises for a further
            term of one (1) year from the expiration of the term herein created
            containing the like covenants and provisions as are herein contained
            (except this covenant for renewal) and at a rent to be mutually
            agreed (but which rental rate shall in no case exceed a 5% increase
            over the rental under this Agreement).

      (d)   Any notice required to be given hereunder shall be in writing and
            shall be sufficiently served on the Tenant by sending the same by
            registered post addressed to the Tenant at the said premises and for
            the Landlord by sending the same by registered post addressed to the
            Landlord at its address stated herein and shall be deemed to have
            been received by the addressee in the ordinary course of post.

      (e)   The parties shall bear equally the Solicitor's fees with regard to
            this Agreement but the Stamp duty shall be borne by the Tenant.

      (f)   This Tenancy Agreement shall be binding upon the successors in title
            and all assigns of the parties hereto respectively.
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                                      -8-


      (g)   Time wherever mentioned shall be the essence of this Agreement.

6. In this Agreement where the context so admits;

      (a)   the expression "the Landlord" and "the Tenant" include the
            respective successors and assigns of the Landlord and the Tenant and
            where two or more persons are included in either expression this
            Agreement shall bind such persons jointly and/or severally.

      (b)   words importing and masculine gender only include the feminine and
            neuter gender.

      (c)   words importing the singular number only include the plural number
            and vice versa.

      (d)   words applicable to natural persons include any company or
            corporation.

      IN WITNESS WHEREOF the parties hereto have hereunto set their hands on the
day and year first above written.

Signed by                      )
for and on behalf of           )
R.S. ROADSTAR ELECTRONICS      )          /s/ [ILLEGIBLE]
(M) SDN. BHD., (Co. No.    )   )
in the presence of :-          )


/s/ Lim Kah Cheng

          LIM KAH CHENG
      Advocate & Solicitor
            Penang

Signed by                     )
for and on behalf of          )          /s/ [ILLEGIBLE]
M.C.M.S. SDN. BHD., (Co. No.  ))
in the presence of :-         )


/s/ [ILLEGIBLE]
   10

              [Letterhead of Micron Custom Manufacturing Services]

                                                                  July 31st 1997

R.S. Roadstar Electronics Sdn. Bhd.
No. 37, 104000 Anson Road
Penang, Malaysia

Attn: Mr. KK Leong

Re:   Tenancy Agreement, dated October 1, 1996, between R.S. Roadstar
      Electronics Sdn. Bhd. and M.C.M.S. Sdn. Bhd. (the "Tenancy Agreement")

Dear Mr. Leong:

      I write this letter on behalf of M.C.M.S. Sdn. Bhd. (the "Company") to
exercise the Company's option set forth in Section 5(c) of the Tenancy Agreement
to extend the term of the Company's tenancy for an additional one year term.
Such additional one year term shall be governed by the covenants and provisions
set forth in the Tenancy Agreement (other than Section 5(c)); provider, however,
that, notwithstanding anything to the contrary in the Tenancy Agreement, the
Company shall have the right to terminate its tenancy at any time during such
additional one year term for convenience and without penalty upon providing
ninety (90) days prior written notice to R.S. Roadstar Electronics Sdn. Bhd.

      Please acknowledge your receipt and acceptance of this letter by signing
below on the space provided.

Monthly rent shall be increased           Very truly yours,       
By 5% per maximum allowable                                       
Increased as stated in the                                        
Lease Agreement. 5% increase to           /s/ Ron Gines           
start in October 1, 1997. Rent to         ----------------------- 
increase From RM36,000 to RM37,800        Ron Gines               
                                          Managing Director       

Acknowledged and agreed to by:

R.S. Roadstar Electronics Sdn. Bhd.


/s/ [ILLEGIBLE]
- ---------------------------------
Name:
Title