    =

    AST RESEARCH, INC.         TECHNICAL BULLETIN # 1174                 5-8-95

    =

    BRAVO MS 4-100T MOUSE CURSOR FREEZING OR DISAPPEARING INTERMITTENTLY

    PROBLEM

    The Bravo MS 4-100T system mouse cursor may freeze or disappear
    intermittently.

    CAUSE

    A contact static discharge of 2-3 Kv from the mouse can cause the mouse to
    freeze or disappear.

    SYSTEMS AFFECTED
    AST PART NUMBER AND DESCRIPTION

    501443-XXX     BRAVO MS 4-100T

    SOLUTION

    Replace the mouse P/N 230852-001 (Microsoft model numbers 52695 and 52694)
    with P/N 230852-001 (Microsoft model number 68627).  The mouse model number
    is located on the bottom side of the mouse.  To order the new part number
    call AST Spare Parts at (800) 727-1278.

    Note: A serial mouse functions without any difficulties.