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    AST RESEARCH, INC.          TECHNICAL BULLETIN # 1442                2-15-96

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    	      Advantage! Video Upgrade Kit Can Cause Video Corruption

    PROBLEM

    After installing the 1 MB video upgrade kit (p/n 501902-001B) in an
    Advantage! system, the user  may experience video corruption.

    CAUSE

    The 70 nanosecond DRAMs included in the kit do not meet the timing
    requirements of the ATI graphics subsystem in the Advantage! system.

    SOLUTION

    Use Video Memory Upgrade Kit, part number 501902-001C.
    This kit contains 60 nanosecond DRAMs which meet the necessary timing
    requirements for the video subsystem.

    SYSTEMS AFFECTED
    AST PART NUMBER AND DESCRIPTION

    501766-XXX      Advantage! 610
    501839-001      Advantage! 610
    501766-401      Advantage! 611
    501855-XXX      Advantage! 612
    501766-XXX      Advantage! 613E
    501768-XXX      Advantage! 614
    501829-XXX      Advantage! 810
    501856-XXX      Advantage! 812
    501769-XXX      Advantage! 814
    501794-801      Advantage! 816
    501794-03X      Advantage! 818
    501920-X01      Bravo MS P/775
    501921-X01      Bravo MS P/100
    501894-X01      Bravo MS P/133
    501980-801      Bravo MS P/166
    501922-501      Bravo MS-T P/100
    501895-801      Bravo MS-T P/133
    501981-801      Bravo MS-T P/166