Document:

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                                                                   Exhibit 10.11

                              COMMISSION AGREEMENT

PARTIES: GARDEX INTERNATIONAL LIMITED ("GARDEX")
         (a British Virgin Islands Corporation)

         ASE Electronics (M) Sdn Bhd ("ASEM")
         (a Malaysia Corporation)

DATE:    December 28, 1997

                                   AGREEMENT

1. Services to be rendered. ASEM hereby retains GARDEX to provide the sales
   services to ASEM as a Sales Agency with the following terms.

   To be non-exclusive world-wide sales agent for all present and future
   products and services to be specified by ASEM in writing with the following
   authority:

   (a). Identify customers for ASEM products and services;

   (b). Within such limitations relating to price, delivery and other key terms
        as ASEM may from time to time specify in writing, and subject to
        acceptance by ASEM (by telex or otherwise) negotiate sales contracts as
        ASEM's agent;

   (c). Monitor contract performance by the customer, including acceptance of
        delivery, payment, etc.

2. Compensation to GARDEX. For services hereunder, ASEM shall monthly
   compensation to GARDEX in respect of net export sales (outside of Taiwan),
   pay as follows:

   (a). For monthly export sales amount of less than US$3.0 million, 1% of the
        sales amount.

   (b). For monthly export sales amount of more than US$3.0 million, the
        compensation is the total of the amount calculated per (a) above plus
        0.5% of the sales amount over US$3.0 million.

   The above scheme of compensation payment is applicable from Jan. 1998 to Dec.
   1999. Compensation payment thereafter is subject to further negotiation on a
   yearly basis between ASEM and GARDEX.

   All payments to GARDEX shall be in US dollars.

   Currency conversions, where necessary, shall be based on prevailing
   free-market rates of the time the payment is earned (not at the time of
   payment) as quoted in the Wall Street Journal or other authoritative source.

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 3.  Term of Agreement. This agreement is effective from January 1, 1998 and
     shall expire on December 31, 1999 unless earlier terminated by (i) mutual
     agreement, or (ii) ASEM on at least 30 days' prior written notice with or
     without cause. Neither expiration nor termination of this Agreement shall
     terminate the obligation of ASEM to pay GARDEX for services rendered with
     respect to sales following such date that result from orders received prior
     to such date.

4.   Representative and Covenants.

     (a). GARDEX agree to use its best efforts to perform its obligations
          hereunder and to give priority to ASEM over all other customers of
          GARDEX in terms of management time, and efforts. GARDEX will not enter
          into any management consulting, sales, agency or similar relationship,
          nor engage in activities, that would result in a conflict with
          GARDEX's duties under this Agreement.

     (b). Each party will provide to the other on a regular basis such
          documentation as may reasonably be required to enable the other party
          to be assured of compliance with this Agreement, and shall permit the
          other party to inspect its books of account and other records at such
          a reasonable time as the other party may request.

     (c). All confidential information received or learned by GARDEX relating
          to ASEM's business and products shall be kept in confidence by GARDEX
          and neither used by GARDEX nor disclosed to any other person for any
          purpose outside this Agreement.

     (d). GARDEX shall make use of ASEM trademarks only as ASEM may authorize
          from time to time, and GARDEX disclaims forever any proprietary rights
          to or interest in such trademarks.

5.   Governing Law and Jurisdiction. This Agreement shall be governed and
     construed under the laws of Malaysia unless the parties agree in writing to
     voluntary arbitration the Courts in the Malaysia shall have exclusive
     jurisdiction to hear and decide any case or controversy arising out of this
     Agreement.

     Each party consents to in personam jurisdiction over it by such courts and
     to service of process by registered mail sent to its principal business
     address.

                              ASE ELECTRONICS (M) SDN BHD.

                              BY:  /s/ David Hsiang
                                   ----------------
                                   David Hsiang

                              GARDEX INTERNATIONAL LIMITED.

                              BY:  /s/ R. Nicholls
                                   ----------------

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                                                                   Exhibit 10.12

                               SERVICE AGREEMENT

PARTIES: ASE (U.S.) INC. ("ASE US")
         (a California corporation)

         ASE Electronics Sdn Bhd (Malaysia) ("ASEM")
         (a Malaysia Corporation)

DATE: December 22, 1997

ASE Electronics ("ASEM") herby retains ASE US to be its Service Agent to
provide after sales service and sales support ("Services") to its Europe and
North America customers ("Customers") for present and future products and
services as specified by ASEM as follows:

1.    Service to be rendered

(a)   To facilitate market information collection, Customer and business
      identification, and Customer inquiry dissemination, and;

(b)   To liaise with ASEM and Customers re price, delivery and other key terms
      of the sales contract as ASEM may from time to time specify in writing,
      and;

(c)   To monitor sales contract performance by the Customers, including
      acceptance of delivery, payments, etc., and;

(d)   To provide after sales services including problem solving, capacity
      planning coordination and other items as may necessary.

2.    Compensation to ASE US

For services hereunder, ASEM will monthly compensate ASE US as follows:

      (a)  30% of ASE US's monthly incurred services associated cost and
           expenses (excluding Compensation from ASE US as specified in item 3)
           plus 15%. In any event, the total monthly compensation amount should
           not be lower than USD125,000 or be higher than USD200,000.

      (b)  Upon payment request, ASE US is to submit detailed monthly expense
           report certified by its Financial Manager for accuracy, and;

      (c)  The compensation agreement is valid for one year and is subject to
           annual revision accepted by both parties.

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3.   Compensation from ASE US

     ASE US agrees to pay a reasonable portion of ASEM employee's traveling
     expenses incurred in the United States or Europe, when the trip is deemed
     necessary by ASEM to assist ASE US in providing its services hereunder.

4.   Term of Agreement

     This Agreement is effective from January 1, 1998 and shall expire on
     December 31, 1998, unless earlier terminated by (i) mutual agreement or
     (ii) ASEM on at lest 30 days' prior written notice with or without causes.

5.   Representations and Covenants

     (a)  ASE US agrees to perform its obligations hereunder the extent
          permissible by the law and the sales contracts between ASEM and the
          Customers.

          ASE US will not enter into any contract or agreement, nor engage in
          any activities, that would result in a conflict with ASE US's duties
          under this Agreement.

          With the terms of this agreement, ASE US shall not have the authority
          to make any commitments whatsoever on behalf of ASEM, as agent or
          otherwise, or to bind ASEM in any respect.

     (b)  Each party will provide to the other on a regular basis such
          information as may be required to enable the other party to be assured
          of compliance with this Agreement.

     (c)  Unless required by laws, all confidential information received or
          learned by ASE US relating to ASEM or its business and products shall
          be kept in confidence by ASE US and neither used by ASE US nor
          disclosed to others for any purpose inconsistent with this Agreement.

     (d)  ASE US shall use ASEM trademark only as ASEM may authorize from time
          to time, and ASE US shall not claim any proprietary right to or
          interest in such trademarks.

6.   Miscellaneous

     This Agreement shall be governed by the laws of the Republic of China
     ("ROC"). In case of any disputes arising from or in connection with this
     Agreement, the parties hereto consent to submit to the non-exclusive
     jurisdiction of the Taipei District Court.

     Without the prior written consent of ASEM, ASE US shall not assign or
     transfer any of its rights or obligations hereunder to any other person.

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     This Agreement can be amended or modified only in writing signed by the
     parties hereto. Any communication or notice made hereunder shall be in
     writing and sent by way of (i) hand delivery, (ii) postage prepaid
     registered air mail, or (iii) facsimile to the address as follows:

ASE US:                            ASEM:
Address:                           Address:
2880 Zanker Road, Suite 106,       Phase 4, Bayan Lepas Free Trade Zone
San Jose, CA  95134, USA           11900 Penang, Malaysia

Telefax No.:  408-432-0440         Telefax No.:  604-6448422

     The notice or communication shall become effective (i) upon delivery if
     sent by hand delivery, (ii) upon the dispatch if sent by facsimile and
     confirmed by writing and (iii) upon the date five days later than the post
     date if sent by air mail.

This Agreement shall in no event be construed to establish a sales agency
relationship between ASEM and ASE US.

IN WITNESS WHEREOF, the parties hereto hereby have duly executed and delivered
this Agreement as of the date and year first written above.

ASEM                               ASE US

By  /s/ David Hsiang               By  /s/ Y.C. Hsu
    ---------------------              ------------------
    Name:  David Hsiang            Name:  Y.C. Hsu
    Title: Vice President          Title: General Manager

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