
AST RESEARCH, INC.

I/O MINI EXPANSION I/O CARD

Card Type              Parallel card, Serial card
Chip Set               Unidentified
Maximum Onboard Memory None
I/O Options            Parallel port, serial ports (2)
Data Bus               8-bit ISA

[Image]

                                CONNECTIONS

          Function             Label           Function             Label

  Serial port 1                 J1     Serial port 2                 J3

  Parallel port                 J2

                      PARALLEL PORT ADDRESS SELECTION

       Setting              E1                E2                E3

          LPT1            Closed             Open              Open

         LPT2             Open             Closed             Open

          LPT3             Open              Open             Closed

                             ADDRESS SELECTION

       Setting               E6               E7                E8

          COM1            Closed            Open              Open

           COM2             Open             Open             Closed

                            INTERRUPT SELECTION

       IRQ             E4            E5            E9            E10

        IRQ3        Closed         Open         Closed          Open

         IRQ4         Open         Closed         Open           Open

         IRQ7         Open          Open          Open          Closed

            Note: IRQ3 enabled if second serial port is installed.

