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    AST RESEARCH, INC.          TECHNICAL BULLETIN # 1347              12-13-95

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           Manhattan P WangDAT 3400DX Fails with DPT PM3224 and Windows NT

    PROBLEM

    The following tape drive error occurs when the backup utility is started on
    the Manhattan P system:

          "A tape drive has been detected and configured but it is not responding.
          Please check cables ..........etc."

    CAUSE

    The DPT 3224 SCSI controller firmware, version 7A, has a timing problem
    with WangDAT 3400DX.

    SOLUTION

    To obtain the most current DPT 3224 firmware, please call DPT support at
    (407) 830-5522.

    NOTE

    DPT 3224 SCSI controller's firmware version 7C was tested successfully
    with WangDAT 3400DX, but AST did not release this version officially.
    AST officially releases firmware 7CH.

    SYSTEMS AFFECTED
    AST PART NUMBER AND DESCRIPTION

    501502-XXX MANHATTAN P5090 - ALL MODELS