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    AST RESEARCH, INC.      TECHNICAL BULLETIN # 1384       12-22-95

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                    Ascentia - Windows NT, SCO UNIX, or UNIX Ware

    PROBLEM

    1. The Ascentia system will not be able to access a DOS partition after
       installing SCO Unix on a Toshiba 700MB hard disk drive.  In Windows
       NT, during the installation, the system is required to re-boot.  At that
       point, the system may fail to re-boot.

    2. The Ascentia system will not boot into Windows NT 3.51 under battery
       power.  Other errors may include load default configuration or system hang
       at the processor initialization screen.

    CAUSE

    The Toshiba 700MB hard disk drive (model MK2528FC) is not qualified to
    run Microsoft Windows NT, SCO Unix, and Novell UNIXWare 1.1.

    SOLUTION

    Replace the Toshiba 700 MB hard disk drive (AST part number 450006-004)
    with AST part number 450006-006.

    SYSTEMS AFFECTED
    AST PART NUMBER AND DESCRIPTION

    501590-XXX      Ascentia 910N
    501707-XXX      Ascentia 950N