    AST RESEARCH, INC.         TECHNICAL BULLETIN #0633                  08-15-90

                      AST SYSTEMS/DIGITAL RESEARCH FlexOS V2.2

    Running FlexOS V2.2 with several windows open simultaneously may cause the
    hard disk to lock up.  The Digital Research FlexOS operating system cannot
    handle fast hard drives.  The hard drives that exhibit the failure are
    Miniscribe (model 8051A 40MB) and Conner (model CP 3044 40MB) when used with
    the following computers:

                   Bravo 286
                   Bravo 386SX
                   Premium 286
                   Premium 386/25