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    AST RESEARCH, INC.           TECHNICAL BULLETIN # 1259              7-21-95

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    PREMMIA GX P/90 NO VIDEO AT BOOT

    PROBLEM

    When A Cornerstone Video controller is installed in a Premmia GX computer,
    there could be a delay of up to 30 seconds before video will be shown when
    booting the computer.

    CAUSE

    The video is not seen because the Cornerstone ImageAccel controller is doing
    self-diagnostic checks.  These are tests that can not be seen by the end-user.

    SYSTEMS AFFECTED
    AST PART NUMBER AND DESCRIPTION

    501457-XXX      PREMMIA GX P/90

    SOLUTION

    The system is operating as designed.  Once the Cornerstone ImageAccel
    controller concludes the self-diagnostic checks, video will appear on the
    screen.