
COMPUTER MODULES, INC.

MAX I/O

Card Type              Serial/Parallel card
Chip Set               Unidentified
Maximum Onboard Memory N/A
I/O Options            parallel port (4 on external module), serial port
                       (4 on external module)
Data Bus               16-bit ISA

[Image]

                        CONNECTIONS

           Function                       Label

  37-pin interface connector               CN1

                        USER CONFIGURABLE SETTINGS

                    Setting                       Label      Position

  Parallel port 0 output only                     SW1/1         On

  Parallel port 0 bi-directional                  SW1/1         Off

  Parallel port 1 output only                     SW1/2         On

  Parallel port 1 bi-directional                  SW1/2         Off

  Parallel port 2 output only                     SW1/3         On

  Parallel port 2 bi-directional                  SW1/3         Off

  Parallel port 3 output only                     SW1/4         On

  Parallel port 3 bi-directional                  SW1/4         Off

  Note: SW1 is located on the external board. The exact location is
  unidentified.

                      SERIAL PORT 0 ADDRESS SELECTION

           Address                    SW1/1                  SW1/2

       3F8h - 3FFh (COM1)              On                    On

            210h - 217h                Off                    On

            380h - 387h                 On                    Off

             Disabled                  Off                    Off

                      SERIAL PORT 1 ADDRESS SELECTION

           Address                    SW1/3                  SW1/4

       2F8h - 2FFh (COM2)              On                    On

            218h - 21Fh                Off                    On

            388h - 38Fh                 On                    Off

             Disabled                  Off                    Off

                      SERIAL PORT 2 ADDRESS SELECTION

           Address                    SW1/5                  SW1/6

       3E8h - 3EFh (COM3)              On                    On

            220h - 227h                Off                    On

            390h - 397h                 On                    Off

             Disabled                  Off                    Off

                      SERIAL PORT 3 ADDRESS SELECTION

           Address                    SW1/7                  SW1/8

       2E8h - 2EFh (COM4)              On                    On

            228h - 22Fh                Off                    On

            398h - 39Fh                 On                    Off

             Disabled                  Off                    Off

                     PARALLEL PORT 0 ADDRESS SELECTION

           Address                    SW2/1                  SW2/2

       3BCh - 3BFh (LPT1)              On                    On

            230h - 233h                Off                    On

            330h - 333h                 On                    Off

             Disabled                  Off                    Off

                     PARALLEL PORT 1 ADDRESS SELECTION

           Address                    SW2/3                  SW2/4

       378h - 37Bh (LPT2)              On                    On

            234h - 237h                Off                    On

            334h - 337h                 On                    Off

             Disabled                  Off                    Off

                     PARALLEL PORT 2 ADDRESS SELECTION

           Address                    SW2/5                  SW2/6

       278h - 27Bh (LPT3)              On                    On

            238h - 23Bh                Off                    On

            338h - 33Bh                 On                    Off

             Disabled                  Off                    Off

                     PARALLEL PORT 3 ADDRESS SELECTION

           Address                    SW2/7                  SW2/8

            178h - 17Bh                 On                    On

            23Ch - 23Fh                Off                    On

            33Ch - 33Fh                 On                    Off

            Disabled                  Off                    Off

             SERIAL & PARALLEL PORT 0 INTERRUPT CONFIGURATION

                 Setting                                JB3

      Serial port shared interrupt               Pins 1 & 3 closed
      select

     Serial port IRQ4 select                    Pins 3 & 5 closed

      Parallel port shared interrupt             Pins 2 & 4 closed
      select

     Parallel IRQ7 select                       Pins 4 & 6 closed

             SERIAL & PARALLEL PORT 1 INTERRUPT CONFIGURATION

                 Setting                                JB3

      Serial port shared interrupt               Pins 7 & 9 closed
      select

     Serial port IRQ3 select                    Pins 9 & 11 closed

      Parallel port shared interrupt             Pins 8 & 10 closed
      select

     Parallel port IRQ7 select                 Pins 10 & 12 closed

      Parallel port IRQ5 select                 Pins 13 & 14 closed

             SERIAL & PARALLEL PORT 2 INTERRUPT CONFIGURATION

                 Setting                                JB3

      Serial port shared interrupt              Pins 15 & 17 closed
      select

      Parallel port shared interrupt            Pins 16 & 18 closed
      select

     Serial port IRQ4 select                   Pins 17 & 19 closed

     Parallel port IRQ5 select                 Pins 18 & 20 closed

      Serial port IRQ11 select                  Pins 21 & 22 closed

      Serial port IRQ12 select                  Pins 23 & 24 closed

             SERIAL & PARALLEL PORT 3 INTERRUPT CONFIGURATION

                 Setting                                JB3

      Serial port shared interrupt              Pins 25 & 27 closed
      select

      Parallel port shared interrupt            Pins 26 & 28 closed
      select

     Serial port IRQ3 select                   Pins 27 & 29 closed

      Parallel port IRQ5 select                 Pins 28 & 30 closed

      Parallel port IRQ15 select                Pins 31 & 32 closed

                     INTERRUPT SEQUENCER SERIAL OUTPUT SELECTION

  IRQ   JB1/A   JB1/B    JB1/C    JB1/D    JB1/E    JB1/F    JB1/G    JB1/H    JB1/I

  2/9   Open     Open     Open     Open     Open    Open     Open     Open     Closed

  3     Open     Open     Open     Open    Closed   Open     Open     Open     Open

  4     Open     Open     Open     Open     Open    Closed   Open     Open     Open

  5     Open     Open     Open     Open     Open    Open     Closed   Open     Open

  7     Open     Open     Open     Open     Open    Open     Open     Closed   Open

  10    Open     Open     Open    Closed    Open    Open     Open     Open     Open

  11    Open     Open    Closed    Open     Open    Open     Open     Open     Open

  12    Open    Closed    Open     Open     Open    Open     Open     Open     Open

  15    Closed   Open     Open     Open     Open    Open     Open     Open     Open

                    INTERRUPT SEQUENCER PARALLEL OUTPUT SELECTION

  IRQ   JB2/A   JB2/B    JB2/C    JB2/D    JB2/E    JB2/F    JB2/G    JB2/H    JB2/I

  2/9   Open     Open     Open     Open     Open    Open     Open     Open     Closed

  3     Open     Open     Open     Open    Closed   Open     Open     Open     Open

  4     Open     Open     Open     Open     Open    Closed   Open     Open     Open

  5     Open     Open     Open     Open     Open    Open     Closed   Open     Open

  7     Open     Open     Open     Open     Open    Open     Open     Closed   Open

  10    Open     Open     Open    Closed    Open    Open     Open     Open     Open

  11    Open     Open    Closed    Open     Open    Open     Open     Open     Open

  12    Open    Closed    Open     Open     Open    Open     Open     Open     Open

  15    Closed   Open     Open     Open     Open    Open     Open     Open     Open

