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                                 Exhibit 10(a)


                         AMENDMENT TO CREDIT AGREEMENT
                         -----------------------------

     THIS AMENDMENT TO CREDIT AGREEMENT ("Amendment"), dated as of September 24,
1993, is entered into by and among AMDAHL CORPORATION ("Amdahl"), AMDAHL
INTERNATIONAL CORPORATION, and AMDAHL CAPITAL CORPORATION (together, the
"Borrowers"), BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIATION, as agent
for itself and the Banks (the "Agent"), and the several financial institutions
party to the Credit Agreement (collectively, the "Banks").

                                    RECITALS
                                    --------

     A.  The Borrowers, Banks, and Agent are parties to a Credit Agreement dated
as of November 21, 1990 (the "Credit Agreement") pursuant to which the Agent and
the Banks have extended certain credit facilities to the Borrowers.

     B.  Borrowers have requested Banks to agree to certain amendments as set
forth in and subject to the terms and conditions of this Amendment.

     NOW, THEREFORE, for valuable consideration, the receipt and adequacy of
which are hereby acknowledged, the parties hereto hereby agree as follows:

     1.  Defined Terms.  Unless Otherwise defined herein,  capitalized terms
         --------------
used herein shall have the meanings, if any, assigned to them in the Credit
Agreement.

     2.   Amendments to Credit Agreement.
          -------------------------------
         (a) (i) Solely for the period from September 24, 1993 through January
     31, 1994, Paragraph 9.2(d) of the Credit Agreement shall be amended by
     deleting it and restating in full as follows:

          
            "(d) Tangible Net Worth. Maintain at all times, on a consolidated
                 -------------------       
basis, Tangible Net Worth in an amount not less than $775,000,000."    

       (ii) Immediately following January 31, 1994, Paragraph 9.2(d) of the
       Credit Agreement shall revert to its original form as set forth in the
       Credit Agreement.

 
         (b) Paragraph 3.5 of the Credit Agreement shall be 
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       amended by deleting  it and restating it in full as follows:
       
            "3.5 Principal Repayment.  Each Term Loan Borrower shall repay the
             ------------------------
       principal amount of its Term Loan on January 31, 1994."

     3.  Representations and Warranties.  The Borrowers hereby represent and   
         -------------------------------
warrant to the Agent and the Banks as follows:

          (a) No Event of Default or any event which, with the giving of notice
       or passage of time or both, would constitute an Event of Default, has
       occurred and is continuing.
 
          (b) The execution, delivery and performance by the Borrowers of this
       Amendment have been duly authorized by all necessary corporate and other
       action and do not and will not require any registration with, consent or
       approval of, notice to or action by, any Person (including any
       Governmental Authority) in order to be effective and enforceable.  The
       Credit Agreement as amended by this Amendment constitutes the legal,
       valid and binding obligations of the Borrowers, enforceable against them
       in accordance with its respective terms without defense, counterclaim or
       offset. 
   
          (c) All representations and warranties of the Borrowers contained in
       the Credit Agreement, other than as contained Paragraph 8.11, are true
       and correct. 
 
          (d) The Borrowers are entering into this Amendment on the basis of
       their own investigation and for their own reasons, without reliance upon
       the Agent and the Banks or  any other Person.
       
       4. Effective Date. (a)  This Amendment will become effective as of
          ---------------     
September 24, 1993 (the "Effective Date"), provided that each of the
                                           --------
following conditions precedent is satisfied:
          
            (i) The Agent has received from the Borrowers and the Majority Banks
     satisfactory evidence (including transmission by facsimile) of the
     execution and delivery by such Person of this Amendment; 
            
            (ii)  The Agent has received from the Borrowers a copy of a
     resolution passed by the board of directors of such corporations, certified
     by the Secretary or an
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     Assistant Secretary of such corporations as being in full force and effect
     on the date hereof, authorizing the execution, delivery and performance of
     this Amendment and all other documents required hereunder, together with an
     incumbency certificate;

            (iii) All representations and warranties contained herein are true
     and correct as of the Effective Date;

         
            (iv)  The Agent has received from the Borrowers for the ratable
     account of the Banks the amount of Five Hundred Twenty-Five Thousand
     Dollars ($525,000), representing payment in full of a non-refundable
     amendment fee;     

            (v)  The Agent has received from Amdahl an executed irrevocable
     notice of reduction of the Total Commitments to $300,000,000, to become
     effective immediately, such notice in substantially the form of Annex A 
                                                                     -------
     hereto (the Lenders and Borrowers hereby agreeing to waive the five
     Business Day notice provided for in Paragraph 2.3(c) of the Credit  
     Agreement); and

            (vi)  The Agent has received from the Borrowers an executed
     irrevocable notice of prepayment in full of Term Loans in the form of 
     Annex B hereto.
     -------    

        (b)  The amendment at Section 2(a)(i) hereof will cease, with
     retroactive effect to the Effective Date, to be effective, and the Credit
     Agreement shall be interpreted for all purposes without regard to such
     amendment, immediately  and automatically if any Borrower shall fail to
     pay in full the Term Loans on January 31, 1994.

     5.   Reservation of Rights.  The Borrowers acknowledge and agree that the
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execution and delivery by the Agent and the Banks of this Amendment shall not be
deemed to create a course of dealing or otherwise obligate the Agent or the
Banks to execute similar amendments under the same or similar circumstances in
the future, or to otherwise forbear or relinquish any rights or remedies
available to them in the future.
 
     6.  Miscellaneous.
         --------------         

         (a) Except as herein expressly amended, all terms, covenants and
       provisions of the Credit Agreement are and shall remain in full force and
       effect and all references therein to such Credit Agreement shall
       henceforth refer to the Credit Agreement as amended by this Amendment. 
       This Amendment shall be deemed incorporated into, and a part of, the
       Credit Agreement.
       
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         (b) This Amendment shall be binding upon and inure to the benefit of
       the parties hereto and their respective successors and assigns.  No third
       party beneficiaries are intended in connection with this Amendment.
       
         (c) This Amendment shall be governed by and construed in accordance
       with the law of the State of California.
       
         (d) This Amendment may be executed in any number of counterparts, each
       of which shall be deemed an original, but all such counterparts together
       shall constitute but one and the same instrument.
       
         (e) This Amendment, together with the Credit Agreement, contains the
       entire and exclusive agreement of the parties hereto with reference to
       the matters discussed herein and therein.  This Amendment supersedes all
       prior drafts and communications with respect thereto.  This Amendment may
       not be amended except in accordance with Paragraph 13.5 of the Credit
       Agreement.
       
         (f) If any term or provision of this Amendment shall be deemed
       prohibited by or invalid under any applicable law, such provision shall
       be invalidated without affecting the remaining provisions of this
       Amendment or the Credit Agreement, respectively.
       
         (g) Borrowers covenant to pay to or reimburse the allocated costs and
       expenses (including allocated costs of in-house counsel) incurred in
       connection with the development, preparation, negotiation, execution and
       delivery of this Amendment.
       

       IN WITNESS WHEREOF, the parties hereto have executed and delivered this
Amendment as of the date first above written.

                       AMDAHL CORPORATION

                       By:       Michael B. Shahbazian
                                 ------------------------

                       Title:    Vice President & Treasurer
                                 ------------------------


                       AMDAHL INTERNATIONAL CORPORATION

                       By:       Michael B. Shahbazian
                                 -------------------------

                       Title:    Treasurer
                                 -------------------------
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                       AMDAHL CAPITAL CORPORATION

                       By:       Michael B. Shahbazian
                                 -------------------------

                       Title:    Chief Financial Officer
                                 -------------------------
