
UNIDENTIFIED

IOAT 41/42

Card Type          Multi I/O card
Chipset/Controller N/A
I/O Options        Parallel port, serial ports (2)
Maximum DRAM       N/A

[Image]

                            CONNECTIONS

        Purpose          Location         Purpose          Location

  Serial port 1            CN1      Serial port 2            CN3

  Parallel port            CN2

                      SERIAL PORT INTERRUPT SELECTION

    Port 1 (CN1)       Port 2 (CN3)         JP2/A             JP2/B

         IRQ4             IRQ3          Pins 10 & 11      Pins 11 & 12
                                           closed             closed

          IRQ3             IRQ4          Pins 11 & 12      Pins 10 & 11
                                           closed             closed

          IRQ5             IRQ7           Pins 8 & 9        Pins 7 & 8
                                           closed             closed

          IRQ7             IRQ5           Pins 7 & 8        Pins 8 & 9
                                           closed             closed

                        PARALLEL PORT CONFIGURATION

                 LPT                                  JP1

                   1                          Pins 1 & 2 closed

                    2                          Pins 2 & 3 closed

                     PARALLEL PORT INTERRUPT SELECTION

                 IRQ                                  JP1

                   7                          Pins 4 & 5 closed

                    5                          Pins 5 & 6 closed

                         SERIAL PORT CONFIGURATION

     Port 1 (CN1)        Port 2 (CN3)         JP2/A            JP2/B

          COM1              COM2           Pins 1 & 2       Pins 2 & 3
                                             closed           closed

           COM1              COM3           Pins 1 & 2       Pins 4 & 5
                                             closed           closed

           COM1              COM4           Pins 1 & 2       Pins 5 & 6
                                             closed           closed

           COM2              COM1           Pins 2 & 3       Pins 1 & 2
                                             closed           closed

           COM2              COM3           Pins 2 & 3       Pins 4 & 5
                                             closed           closed

           COM2              COM4           Pins 2 & 3       Pins 5 & 6
                                             closed           closed

           COM3              COM1           Pins 4 & 5       Pins 1 & 2
                                             closed           closed

           COM3              COM2           Pins 4 & 5       Pins 2 & 3
                                             closed           closed

           COM3              COM4           Pins 4 & 5       Pins 5 & 6
                                             closed           closed

           COM4              COM1           Pins 5 & 6       Pins 1 & 2
                                             closed           closed

           COM4              COM2           Pins 5 & 6       Pins 2 & 3
                                             closed           closed

           COM4              COM3           Pins 5 & 6       Pins 4 & 5
                                             closed           closed

           COM1            Disabled         Pins 1 & 2         Open
                                             closed

           COM2            Disabled         Pins 2 & 3         Open
                                             closed

           COM3            Disabled         Pins 4 & 5         Open
                                             closed

           COM4            Disabled         Pins 5 & 6         Open
                                             closed

         Disabled            COM1             Open           Pins 1 & 2
                                                              closed

         Disabled            COM2             Open           Pins 2 & 3
                                                              closed

         Disabled            COM3             Open           Pins 4 & 5
                                                              closed

         Disabled            COM4             Open           Pins 5 & 6
                                                              closed

         Disabled          Disabled           Open             Open

