BOCA RESEARCH, INC.

I0AT41, IOAT42

Card Type               Multi-I/O card
Chip Set                Unidentified
Maximum Onboard Memory  Unidentified
I/O Options             Parallel port, serial port
Hard Drives supported   None
Floppy drives supported None
Data Bus                8-bit ISA
Card Size               Wedge shaped, Half-length

[Image]

                                CONNECTIONS

          Function            Label            Function            Label

  Serial port 2 - internal     CN1     25-pin parallel port -       CN3
                                       external

  Serial port 1- external      CN2

                      PARALLEL PORT ADRESS SELECTION

     Setting       J4/pins 1 &   J4/pins 2 &   J4/pins 4 &    J4/pins 5 &
                       2              3             5             6

   LPT1 (378h)       Closed         Open          Open           Open

   LPT2 (278h)        Open         Closed         Open           Open

  LPTINT (IRQ7)       Open          Open         Closed          Open

  LPTINT (IRQ5)       Open          Open          Open          Closed

    Disabled          Open          Open          Open           Open

                      SERIAL PORT 1 ADDRESS SELECTION

     Setting       J5/pins 2 &   J5/pins 4 &   J5/pins 8 &    J5/pins 10
                       4              6            10            & 12

      COM1           Closed         Open          Open           Open

      COM2            Open         Closed         Open           Open

      COM3            Open          Open         Closed          Open

      COM4            Open          Open          Open          Closed

    Disabled          Open          Open          Open           Open

                      SERIAL PORT 2 ADDRESS SELECTION

     Setting       J5/pins 1 &   J5/pins 3 &   J5/pins 7 &    J5/pins 9 &
                       3              5            19             11

      COM1           Closed         Open          Open           Open

      COM2            Open         Closed         Open           Open

      COM3            Open          Open         Closed          Open

      COM4            Open          Open          Open          Closed

    Disabled          Open          Open          Open           Open

                     SERIAL PORT 1 INTERRUPT SELECTION

       IRQ         J5/pins 14     J5/pins 16    J5/pins 20    J5/pins 22
                      & 16          & 18          & 22           & 24

      IRQ7           Closed         Open          Open           Open

      IRQ5            Open         Closed         Open           Open

      IRQ4            Open          Open         Closed          Open

      IRQ3            Open          Open          Open          Closed

    Disabled          Open          Open          Open           Open

                     SERIAL PORT 2 INTERRUPT SELECTION

       IRQ         J5/pins 13     J5/pins 15    J5/pins 19    J5/pins 21
                      & 15          & 17          & 21           & 23

      IRQ7           Closed         Open          Open           Open

      IRQ5            Open         Closed         Open           Open

      IRQ4            Open          Open         Closed          Open

      IRQ3            Open          Open          Open          Closed

    Disabled          Open          Open          Open           Open