    AST RESEARCH, INC.        TECHNICAL BULLETIN # 1636          12/04/96

    TITLE:  NT Crashes w/Backup Exec on P&V Servers

    ISSUE

       The Windows NT kernel may crash ("Blue Screen") or reboot if the
       following components are installed in the Manhattan P and V
       server:

       1. Arcada/Conner/Seagate Backup Exec software.

       2. A tape drive connected to the embedded NCR SCSI
          controller.

       3. Windows NT v3.51.

       This issue affects all Manhattan P and V systems.

    BACKGROUND

       N/A

    ACTION

       Update the following software to the version specified.

       1. Backup Exec v6.11 or newer.

       2. SymBIOS Logic/NCR Driver for NT v2.03 or newer.

       3. Service Pack 4 for NT v3.51. or newer.

    NOTES

       The Symbios 53C810 SCSI Controller Driver for NT v2.03 can be
       found at:

       ftp://ftp.symbios.com/pub/symchips/scsi/drivers/
       Win_Drivers/WindowsNT/ntdrv.zip.

       The Service Pack for for NT v3.51 can be found at:

       ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/
       usa/NT351/ussp4/i386/sp4_351i.exe.

    TAN PR 412EC

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