
UNIDENTIFIED

MULTI-I/O 286

Card Type              Multi I/O card
Chip Set               Unidentified
Maximum Onboard Memory Unidentified
I/O Options            Serial port (2), Game port, Parallel port
Data Bus               8-bit ISA

[Image]

                                CONNECTIONS

          Function             Label           Function             Label

  Serial port A                CN1     Game port                    CN3

  Serial port B                CN2     Parallel port                CN4

                        USER CONFIGURABLE SETTINGS

                    Function                      Label      Position

  Parallel port disabled                           J1          Open

  Parallel port enabled                            J1         Closed

  Game port disabled                               J2          Open

  Game port enabled                                J2         Closed

  Serial port A disabled                           J3          Open

  Serial port A enabled                            J3         Closed

  Serial port B disabled                           J4          Open

  Serial port B enabled                            J4         Closed

      PARALLEL PORT ADDRESS SELECTION

    Setting        Label        Position

  LPT1 (378h)       S1/3           Off

  LPT2 (278h)       S1/3           On

                      SERIAL PORT A ADDRESS SELECTION

           Setting                     S1/1                  S1/2

           COM1 (3F8h)                Off                    Off

            COM3 (3E8h)                Off                    On

            COM5 (3E0h)                 On                    Off

            COM7 (330h)                 On                    On

                      SERIAL PORT B ADDRESS SELECTION

          Setting                   S1/4                    S1/5

        COM2 (2F8h)                  Off                     Off

        COM4 (2E8h)                  Off                     On

        COM6 (2E0h)                  On                      Off

        COM8 (2F0h)                  On                      On

  Note: Must install a 16450 chip in slot U2 to enable serial port B; Or
  - add 75188/1489 into U7 or 75189/1489 into U6.

                     SERIAL PORT A INTERRUPT SELECTION

            IRQ                      S2/3                    S2/4

              IRQ3                    Off                     On

             IRQ4                    On                     Off

                     SERIAL PORT B INTERRUPT SELECTION

            IRQ                      S2/5                    S2/6

             IRQ3                    Off                     On

              IRQ4                    On                     Off

                     PARALLEL PORT INTERRUPT SELECTION

            IRQ                      S2/1                    S2/2

              IRQ5                    Off                     On

             IRQ7                    On                     Off

