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                                                                  EXHIBIT 10.24h

               SEVENTH AMENDMENT TO CREDIT AGREEMENT AND WAIVER


          THIS SEVENTH AMENDMENT TO CREDIT AGREEMENT AND WAIVER (this

"Amendment"), is entered into as of April 8, 1999, among Advanced Micro Devices,
 ---------
Inc., a Delaware corporation (the "Company"), the "Banks" party to the Credit
                                   -------
Agreement referenced below (collectively, the "Banks"), ABN AMRO Bank N.V., as
                                               -----
Syndication Agent for the Banks (the "Syndication Agent"), Canadian Imperial
                                      -----------------
Bank of Commerce, as Documentation Agent for the Banks (the "Documentation
                                                             -------------
Agent"), and Bank of America National Trust and Savings Association, as
Administrative Agent for the Banks (the "Agent").
                                         -----

          WHEREAS, the Company, the Banks, the Syndication Agent, the
Documentation Agent and the Agent are parties to a Credit Agreement dated as of
July 19, 1996, as amended by a First Amendment to Credit Agreement dated as of
August 7, 1996, a Second Amendment to Credit Agreement dated as of September 9,
1996, a Third Amendment to Credit Agreement dated as of October 1, 1997, a
Fourth Amendment to Credit Agreement dated as of January 26, 1998, a Fifth
Amendment to Credit Agreement dated as of February 26, 1998, and a Sixth
Amendment to Credit Agreement dated as of June 30, 1998 (as so amended, the

"Credit Agreement");
-----------------

          WHEREAS, the Company has requested that the Majority Banks agree to
certain amendments to the Credit Agreement;

          WHEREAS, the Majority Banks have agreed to such request, subject to
the terms and conditions hereof;

          NOW, THEREFORE, in consideration of the mutual agreements, provisions
and covenants contained herein, the parties hereto agree as follows:

          1.  Definitions; Interpretation.

          (a) Terms Defined in Credit Agreement. All capitalized terms used in
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this Amendment (including in the recitals hereof) and not otherwise defined
herein shall have the meanings assigned to them in the Credit Agreement.

          (b) Interpretation. The roles of interpretation set forth in Section
              --------------
1.02 of the Credit Agreement shall be applicable to this Amendment and are
incorporated herein by this reference.

          2.  Amendments to the Credit Agreement.

               (a) Amendments. The Credit Agreement is hereby amended as
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follows:

                   (i) The definition of Applicable Fee Amount set forth in
Section 1.01 of the Credit Agreement is hereby amended and restated in its
entirety as follows:
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     "Applicable Fee Amount" means, for purposes of calculating the commitment
      ---------------------
     fee hereunder for any date, 0.50% per annum.

                   (ii)  The definition of Applicable Margin set forth in
Section 1.01 of the Credit Agreement is hereby amended and restated in its
entirety as follows:

     "Applicable Margin" means, for any day, (i) 1.50% per annum with respect to
      -----------------
     any Base Rate Loan and (ii) 2.75% per annum with respect to any Offshore
     Rate Loan.

                  (iii)  A new Section 5.21 is hereby added to the Credit
Agreement as follows

          "5.21 Year 2000. On the basis of a comprehensive review and assessment
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undertaken by the Company of the Company's and its Subsidiaries' computer
applications and an assessment by the Company of the Company's and its
Subsidiaries' material suppliers, vendors and customers, the Company reasonably
believes that the "Year 2000 problem" (that is, the risk that the computer
applications used by any Person may be unable to recognize and perform properly
date-sensitive functions involving certain dates prior to and any date after
December 31, 1999) will not result in a Material Adverse Effect."

                  (iv)   Section 7.04(g) is hereby amended and restated in its
entirety as follows:

          "(g) Investments (i) by the Company in the capital stock of the Vantis
Subsidiary, made in exchange for asset transfers permitted under Section
7.02(d), (ii) by the Vantis Subsidiary in the capital stock of one or more of
its Wholly-Owned Subsidiaries, made in exchange for asset transfers permitted
under Section 7.02(d) and (iii) in connection with the Disposition of the
capital stock or assets of the Vantis Subsidiary (the "Vantis Disposition"), as
permitted by waiver in the Seventh Amendment to Credit Agreement and Waiver
dated as of April 8, 1999 (the "Seventh Amendment"), by the Company in the
capital stock of Vantis Corporation or in the entity acquiring the Vantis
Subsidiary as a portion of the consideration for the sale or transfer of the
assets or capital stock of the Vantis Subsidiary, to the extent such Investments
are permitted by waiver as set forth in the Seventh Amendment."

                  (v)    Section 7.15 is hereby amended and restated in its
entirety as follows:

          "7.15  Modified Quick Ratio. The Company shall not as of the end of
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     any fiscal quarter suffer or permit its ratio (determined on a Consolidated
     basis) of (a) cash plus the value (valued in accordance with GAAP) of all
     Cash Equivalents, other than Cash Equivalents subject to a Lien securing
     Indebtedness, plus net Receivables, plus Fujitsu Receivables, to (b)
     Consolidated Current Liabilities, to be less than (i) 0.75 to 1.00 at the
     end of each of the first, second and third fiscal quarters of 1999, (ii)
     0.80 to 1.00 at fiscal year-end 1999, (iii) 0.90 to 1.00 at the end of the
     first fiscal quarter of 2000, and (iv) 1.00 to 1.00 at the end of the
     second fiscal quarter of 2000 and thereafter."

                  (vi)   Section 7.16 of the Credit Agreement is hereby amended
and restated in its entirety as follows:

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          "7.16 Minimum Tangible Net Worth. The Company shall not suffer or
                --------------------------
     permit its Consolidated Tangible Net Worth as of the end of any fiscal
     quarter to be less than 90% of the Company's Consolidated Tangible Net
     Worth at the end of the first fiscal quarter of 1999 plus (i) (without
                                                          ----
     duplication for amounts included under clause (iv) below) 85% of net income
     for the Company and its Restricted Subsidiaries computed from the first day
     of the Company's second fiscal quarter of 1999 through the end of such
     fiscal quarter for which the determination is being made, determined
     quarterly on a Consolidated basis and not reduced by any quarterly loss,

     plus (ii) 100% of the Net Issuance Proceeds of any sale of capital stock of
     ----
     the Company by or for the account of the Company occurring on or after the
     first day of the Company's second fiscal quarter of 1999, plus (iii) any
                                                               ----
     increase in stockholders' equity of the Company resulting from the
     conversion of debt securities of the Company to equity securities of the
     Company on or after the first day of the Company's second fiscal quarter of
     1999, plus (iv) 100% of the Net Issuance Proceeds (net of Taxes payable in
           ----
     respect thereof) of any sale of capital stock of the Vantis Subsidiary by
     or for the account of the Company occurring on or after the first day of
     the Company's second fiscal quarter of 1999."

                    (vii)  Section 7.17 of the Credit Agreement is hereby
amended and restated in its entirety as follows:

          "7.17 Leverage Ratio. The Company shall not as of the end of any
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     fiscal quarter suffer or permit its Leverage Ratio to be greater than (i)
     1.05 to 1.00 at the end of any fiscal quarter ending in 1999, (ii) 1.00 to
     1.00 at the end of the first fiscal quarter of 2000, and (iii) 0.90 to 1.00
     at the end of the second fiscal quarter of 2000 and thereafter."

                    (viii) Section 7.19 is hereby amended and restated in its
entirety as follows:

          "7.19 Profitability. The Company shall not suffer or permit (a) a net
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     loss of greater than $150,000,000 for the first fiscal quarter of 1999, (b)
     a net loss of greater than $45,000,000 for the second fiscal quarter of
     1999, and (c) net income to be less than $1.00 for the third fiscal quarter
     of 1999 and for each fiscal quarter thereafter, in each case determined for
     the Company on a Consolidated basis."

                    (ix)   A new Section 7.20 is hereby added to the Credit
Agreement as follows:

          "7.20 Minimum Cash and Cash Equivalents. The Company shall not at any
                ---------------------------------
     time suffer or permit the value of its (a) cash plus the value (valued in
                                                     ----
     accordance with GAAP) of all Cash Equivalents, other than cash and Cash
     Equivalents subject to a Lien securing Indebtedness, minus (b) the
                                                          -----
     aggregate principal amount of all Revolving Loans outstanding at such time,
     to be less than $200,000,000, determined for the Company on a Consolidated
     basis."

                (b)  References Within Credit Agreement. Each reference in the
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Credit Agreement to "this Agreement" and the words "hereof," "herein,"
"hereunder," or words of like import, shall mean and be a reference to the
Credit Agreement as amended by this Amendment.

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<PAGE>

          3.  Waivers. The Majority Banks hereby irrevocably waive the
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restrictions (i) set forth in subsection 7.02(e)(iii) which would otherwise
prohibit a sale by the Company of the Vantis Subsidiary (or the assets thereof)
insofar as the sale of the Vantis Subsidiary, together with the aggregate value
of all other assets sold by the Company and its Restricted Subsidiaries after
the Effective Date, would exceed 20% of the Company's Consolidated Tangible Net
Worth measured as of the Effective Date, (ii) set forth in Section 7.02(e)(ii)
which would otherwise prohibit a percentage of the sales price to be paid in
capital stock of the Vantis Subsidiary, any entity into which the Vantis
Subsidiary is merged or the entity who acquires the Vantis Subsidiary; provided
                                                                       --------
that the percentage of the sales price so paid in capital stock may not exceed
25% of the total sales price, and (iii) set forth in the last paragraph of
Section 7.02 insofar as the sale of the Vantis Subsidiary (or the assets
thereof) may include the disposition of Receivables of the Vantis Subsidiary.
The Majority Banks further hereby waive the restrictions set forth in Section
7.03 which would otherwise prohibit the merger, consolidation, or conveyance,
transfer or other disposal of all or substantially all of the assets of the
Vantis Subsidiary to the extent such merger, consolidation, conveyance, transfer
or other disposal would be permitted under the waiver of Section 7.02 set forth
in the immediately preceding sentence. The Majority Banks further hereby waive
the restrictions set forth in Sections 7.02(e) and 7.10 which would otherwise
prohibit the issuance by the Company of up to 15% of the existing capital stock
of the Vantis Subsidiary outstanding on the date hereof to directors, employees,
officers, consultants and advisors of the Vantis Subsidiary pursuant to stock
option plans (the "Employee Stock") and the repurchase or acquisition of such
Employee Stock by the Company in connection with a Disposition of 50% or more of
the capital stock of the Vantis Subsidiary.

          4.  Irrevocable Notice of Prepayment. The Company hereby gives notice
              --------------------------------
to the Agent (which notice shall be irrevocable) that, within thirty (30)
Business Days of the Company's or any Subsidiary's receipt of any cash Net
Issuance Proceeds or any cash Net Proceeds of any Disposition (including any
Disposition of the Vantis Subsidiary or any assets thereof), except for any
Disposition permitted under subsections 7.02(a), (b) or (c), the Company shall
make a prepayment, in accordance with Section 2.06, in an amount equal to at
least 25% of such cash Net Issuance Proceeds or cash Net Proceeds, as the case
may be, up to a maximum amount, together with all such prepayments to the Agent
made pursuant to this notice, of $50,000,000 in the aggregate, for application
to the principal balance of the Term Loans then outstanding. The Company's
failure to make any such payment within any such 30-Business Day period
referenced above shall constitute an Event of Default under the Credit
Agreement. For purposes of this Section 4 and the prepayments contemplated
hereby, cash Net Issuance Proceeds and cash Net Proceeds shall be deemed to
include (and shall not be reduced by) any amounts paid or payable to the holders
of the Employee Stock in connection with the repurchase or acquisition of such
Employee Stock by the Company as contemplated in the preceding Section 3.

          5.  Representations and Warranties. The Company hereby represents and
              ------------------------------
warrants to the Agent, the Syndication Agent, the Documentation Agent and the
Banks as follows:

               a.  No Default or Event of Default has occurred and is
          continuing.

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              b.  The execution, delivery and performance by the Company 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.

              c.  This Amendment and the Loan Documents, as amended by this
Amendment, constitute the legal, valid and binding obligations of the Company,
enforceable against it in accordance with their respective terms, without
defense, counterclaim or offset.

          6.  Amendment Effective Date. This Amendment will become effective as
              ------------------------
of March 18, 1999, provided that the Agent has received (a) from each of the
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Company and the Majority Banks an executed counterpart of this Amendment, (b)
from the Company a nonrefundable amendment fee equal to 0.25% of the aggregate
Commitments to be distributed to each Bank in accordance with its Pro Rata
Share.

          7.  Miscellaneous.
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              (a) Credit Agreement Otherwise Not Affected. Except as expressly
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amended pursuant hereto, the Credit Agreement shall remain unchanged and in full
force and effect and is hereby ratified and confirmed in all respects. The
Banks', the Agent's, the Syndication Agent's and the Documentation Agent's
execution and delivery of, or acceptance of, this Amendment shall not be deemed
to create a course of dealing or otherwise create any express or implied duty by
any of them to provide any other or further amendments, consents or waivers in
the future.

              (b) No Reliance. The Company hereby acknowledges and confirms to
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the Agent, the Syndication Agent, the Documentation Agent and the Banks that the
Company is executing this Amendment on the basis of its own investigations and
for its own reasons without reliance upon any agreement, representation,
understanding or communication by or on behalf of the Agent, the Syndication
Agent, the Documentation Agent, any Bank or any other Person.

              (c) Amendments and Waivers. The provisions of this Amendment may
                  ----------------------
only be amended or waived, and any consent with respect to any departure by the
Company therefrom may only be granted, in accordance with the terms of Section
10.01 of the Credit Agreement.

              (d) Costs and Expenses. The Company shall, whether or not the
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amendments contemplated hereby shall become effective, pay or reimburse the
Agent, within five Business Days after demand, for all costs and expenses
incurred by the Agent in connection with the development, preparation, delivery,
administration and execution of, and any amendment, supplement, waiver or
modification to, this Amendment and the consummation of the transactions
contemplated hereby and thereby, including the Attorney Costs incurred by the
Agent with respect thereto.

              (e) Successors and Assigns. The provisions of this Amendment shall
                  ----------------------
be binding upon and inure to the benefit of the parties hereto and their
respective successors and assigns.

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<PAGE>

          (f) Counterparts. This Amendment may be executed by one or more of the
              ------------
parties to this Amendment in any number of separate counterparts, each of which,
when so executed, shall be deemed an original, and all of said counterparts
taken together shall be deemed to constitute but one and the same instrument.
The parties hereto agree that the Agent and the Company may accept and rely on
facsimile transmissions of executed signature pages of this Amendment.

          (g) Severability. The illegality or unenforceability of any provision
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of this Amendment or any instrument or agreement required hereunder shall not in
any way affect or impair the legality or enforceability of the remaining
provisions of this Amendment or any instrument or agreement required hereunder.

          (h) No Third Parties Benefited. This Amendment is made and entered
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into for the sole protection and legal benefit of the Company, the Syndication
Agent, the Documentation Agent, the Banks and the Agent, and their successors
and assigns, and no other Person shall be a direct or indirect legal beneficiary
of, or have any direct or indirect cause of action or claim in connection with,
this Amendment. Each of the Agent, the Syndication Agent, the Documentation
Agent and the Banks shall not have any obligation to any Person not a party to
this Amendment.

          (i) Governing Law. THIS AMENDMENT SHALL BE GOVERNED BY, AND CONSTRUED
              -------------
IN ACCORDANCE WITH, THE LAW OF THE STATE OF NEW YORK; PROVIDED THAT THE AGENT
AND THE BANKS SHALL RETAIN ALL RIGHTS ARISING UNDER FEDERAL LAW.

          (j) Entire Agreement. This Amendment embodies the entire agreement and
              ----------------
understanding among the Company, the Banks, the Syndication Agent, the
Documentation Agent and the Agent, and supersedes all prior or contemporaneous
agreements and understandings of such Persons, verbal or written, relating to
the subject matter hereof and thereof.

          (k) Interpretation. This Amendment is the result of negotiations
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between and has been reviewed by counsel to the Agent, the Company and other
parties, and is the product of all parties hereto. Accordingly, this Amendment
shall not be construed against the Banks, the Syndication Agent, the
Documentation Agent or the Agent merely because of the Agent's or such other
Person's involvement in the preparation of such documents and agreements.

                           [Signature pages follow.]

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<PAGE>

          IN WITNESS WHEREOF, the parties hereto have caused this Amendment to
be duly executed and delivered in San Francisco, California, by their proper and
duly authorized officers as of the day and year first above written.

                           THE COMPANY
                           -----------


                           ADVANCED MICRO DEVICES, INC.

                           By:  /s/ Francis P. Barton
                                ------------------------------------------------

                           Title: Sr. Vice President and Chief Financial Officer
                                 -----------------------------------------------

                           THE AGENT
                           ---------


                           BANK OF AMERICA NATIONAL TRUST
                           AND SAVINGS ASSOCIATION, as
                           Administrative Agent

                           By:    /s/Roger Fleischmann
                                  ----------------------------------------------

                           Title:
                                 -----------------------------------------------

                            THE SYNDICATION AGENT
                            ---------------------


                            ABN AMRO BANK N.V., as Syndication Agent

                            By:    /s/Nanci H. Meyer
                                   ---------------------------------------------

                            Title:  Vice President
                                    --------------------------------------------


                            By:    /s/Thomas R. Wagner
                                   ---------------------------------------------

                            Title:  Group Vice President
                                    --------------------------------------------

                                       7
<PAGE>

                            THE DOCUMENTATION AGENT
                            -----------------------


                            CANADIAN IMPERIAL BANK OF
                            COMMERCE, as Documentation Agent


                            By:
                               -------------------------------------------------

                            Title:
                                  ----------------------------------------------

                            THE BANKS
                            ---------


                            BANK OF AMERICA NATIONAL TRUST
                            AND SAVINGS ASSOCIATION, as a Bank

                            By:    /s/Roger Fleischmann
                               -------------------------------------------------

                            Title:
                                  ----------------------------------------------

                            ABN AMRO BANK N.V., as a Bank

                            By:    /s/Nanci H. Meyer
                               -------------------------------------------------

                            Title:  Vice President
                                  ----------------------------------------------

                            By:    /s/Thomas R. Wagner
                               -------------------------------------------------

                            Title:  Group Vice President
                                  ----------------------------------------------

                                       8
<PAGE>

                            CANADIAN IMPERIAL BANK OF
                            COMMERCE, as a Bank


                            By:
                               -------------------------------------------------

                            Title:
                                  ----------------------------------------------

                            BANKBOSTON, N.A.


                            By:    /s/John B. Desmond
                               -------------------------------------------------

                            Title:
                                  ----------------------------------------------

                            THE BANK OF NOVA SCOTIA


                            By:    /s/Chris Osborne
                               -------------------------------------------------

                            Title:
                                  ----------------------------------------------

                            BANQUE PARIBAS


                            By:    Lee S. Buckner
                               -------------------------------------------------

                            Title:  Managing Director
                                  ----------------------------------------------

                            By:    /s/Jonathan Leon
                               -------------------------------------------------

                            Title:  Vice President
                                  ----------------------------------------------


                            THE DAI-ICHI KANGYO BANK, LTD.


                            By:
                               -------------------------------------------------

                            Title:
                                  ----------------------------------------------

                                       9
<PAGE>

                            FLEET NATIONAL BANK


                            By:    /s/Matt Glauninger
                               -------------------------------------------------

                            Title:
                                  ----------------------------------------------

                            THE INDUSTRIAL BANK OF JAPAN,
                            LIMITED


                            By:    K. Iwata
                               -------------------------------------------------

                            Title:  Deputy General Manager
                                  ----------------------------------------------


                            KEYBANK NATIONAL ASSOCIATION


                            By:    Mary K. Young
                               -------------------------------------------------

                            Title:  Assistant Vice President
                                  ----------------------------------------------


                            THE LONG-TERM CREDIT BANK OF
                            JAPAN, LIMITED


                            By:    /s/Noboiu Akahane
                               -------------------------------------------------

                            Title:
                                  ----------------------------------------------

                            NORWEST BANK MINNESOTA, NATIONAL
                            ASSOCIATION


                            By:    Douglas A. Lindstrom
                               -------------------------------------------------

                            Title:  Assistant Vice President
                                  ----------------------------------------------

                                       10
<PAGE>

                            ROYAL BANK OF CANADA


                            By:
                               -------------------------------------------------

                            Title:
                                  ----------------------------------------------


                            UNION BANK OF CALIFORNIA, N.A.


                            By:
                               -------------------------------------------------

                            Title:
                                  ----------------------------------------------

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