    AST RESEARCH, INC.           TECHNICAL BULLETIN #0898                2-10-94

                        CUPID SYSTEMS LOOPBACK PLUG SCHEMATIC

    PROBLEM:       There should be a jumper shown between pins 2 and 3 in the 9-
                   Pin Serial Loopback Plug schematic on page 8 of the manual.
                   Only the schematic is at fault, the jumper exists in the
                   physical plug.

    CAUSE:         Incorrect diagram.  AST Advanced Diagnostics Supplement, part
                   number 001239-001 A.

    SYSTEMS
    AFFECTED:      AST Cupid Systems.

    SOLUTION:      Future releases of the supplement will correct and update the
                   drawing.