BOCA RESEARCH INC.
==================

   IO/AT 44

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

<gopher://bitreich.org/I/th99/i/A-B/50306-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |    Purpose    |  Location   |     Purpose     |  Location  |
   |---------------+-------------+-----------------+------------|
   | Serial port 1 |     J1      | Parallel port 1 |     J5     |
   |---------------+-------------+-----------------+------------|
   | Serial port 2 |     J2      | Parallel port 2 |     J6     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   | Port 1 (J5)  | Port 2 (J3) |       J3/A       |    J3/B    |
   |--------------+-------------+------------------+------------|
   |>> |   LPT1   |    LPT2     |    Pins 1 & 2    | Pins 2 & 3 |
   |   |          |             |      closed      |   closed   |
   |---+----------+-------------+------------------+------------|
   |   |   LPT2   |    LPT1     |    Pins 2 & 3    | Pins 1 & 2 |
   |   |          |             |      closed      |   closed   |
   |---+----------+-------------+------------------+------------|
   |   | Disabled |    LPT1     |       Open       | Pins 1 & 2 |
   |   |          |             |                  |   closed   |
   |---+----------+-------------+------------------+------------|
   |   | Disabled |    LPT2     |       Open       | Pins 2 & 3 |
   |   |          |             |                  |   closed   |
   |---+----------+-------------+------------------+------------|
   |   |   LPT1   |  Disabled   |    Pins 1 & 2    |    Open    |
   |   |          |             |      closed      |            |
   |---+----------+-------------+------------------+------------|
   |   |   LPT2   |  Disabled   |    Pins 2 & 3    |    Open    |
   |   |          |             |      closed      |            |
   |---+----------+-------------+------------------+------------|
   |   | Disabled |  Disabled   |       Open       |    Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               PARALLEL PORT INTERRUPT SELECT               |
   |------------------------------------------------------------|
   | Port 1 (J5) | Port 2 (J3) |        J3C        |    J3D     |
   |-------------+-------------+-------------------+------------|
   |    IRQ7     |    IRQ5     | Pins 1 & 2 closed | Pins 2 & 3 |
   |             |             |                   |   closed   |
   |-------------+-------------+-------------------+------------|
   |    IRQ5     |    IRQ7     | Pins 2 & 3 closed | Pins 1 & 2 |
   |             |             |                   |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   | Port 1 (J1)  |  Port 2  |  J4/A  |  J4/B  |  J4/C  | J4/D  |
   |              |   (J2)   |        |        |        |       |
   |--------------+----------+--------+--------+--------+-------|
   |>> |   COM1   |   COM2   | Pins 1 | Pins 2 |  Open  | Open  |
   |   |          |          |  & 2   |  & 3   |        |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   COM1   |   COM3   | Pins 1 |  Open  |  Open  | Pins  |
   |   |          |          |  & 2   |        |        | 1 & 2 |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   COM1   |   COM4   | Pins 1 |  Open  |  Open  | Pins  |
   |   |          |          |  & 2   |        |        | 2 & 3 |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   COM2   |   COM1   | Pins 2 | Pins 1 |  Open  | Open  |
   |   |          |          |  & 3   |  & 2   |        |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   COM2   |   COM3   | Pins 2 |  Open  |  Open  | Pins  |
   |   |          |          |  & 3   |        |        | 1 & 2 |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   COM2   |   COM4   | Pins 2 |  Open  |  Open  | Pins  |
   |   |          |          |  & 3   |        |        | 2 & 3 |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   COM3   |   COM1   |  Open  | Pins 1 | Pins 1 | Open  |
   |   |          |          |        |  & 2   |  & 2   |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   COM3   |   COM2   |  Open  | Pins 2 | Pins 1 | Open  |
   |   |          |          |        |  & 3   |  & 2   |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   COM3   |   COM4   |  Open  |  Open  | Pins 1 | Pins  |
   |   |          |          |        |        |  & 2   | 2 & 3 |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   COM4   |   COM1   |  Open  | Pins 1 | Pins 2 | Open  |
   |   |          |          |        |  & 2   |  & 3   |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   COM4   |   COM2   |  Open  | Pins 2 | Pins 2 | Open  |
   |   |          |          |        |  & 3   |  & 3   |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   COM4   |   COM3   |  Open  |  Open  | Pins 2 | Pins  |
   |   |          |          |        |        |  & 3   | 1 & 2 |
   |---+----------+----------+--------+--------+--------+-------|
   |   | Disabled |   COM1   |  Open  | Pins 1 |  Open  | Open  |
   |   |          |          |        |  & 2   |        |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   | Disabled |   COM2   |  Open  | Pins 2 |  Open  | Open  |
   |   |          |          |        |  & 3   |        |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   | Disabled |   COM3   |  Open  |  Open  |  Open  | Pins  |
   |   |          |          |        |        |        | 1 & 2 |
   |---+----------+----------+--------+--------+--------+-------|
   |   | Disabled |   COM4   |  Open  |  Open  |  Open  | Pins  |
   |   |          |          |        |        |        | 2 & 3 |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   COM1   | Disabled | Pins 1 |  Open  |  Open  | Open  |
   |   |          |          |  & 2   |        |        |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   COM2   | Disabled | Pins 2 |  Open  |  Open  | Open  |
   |   |          |          |  & 3   |        |        |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   COM3   | Disabled |  Open  |  Open  | Pins 1 | Open  |
   |   |          |          |        |        |  & 2   |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   COM4   | Disabled |  Open  |  Open  | Pins 2 | Open  |
   |   |          |          |        |        |  & 3   |       |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT INTERRUPT SELECT                |
   |------------------------------------------------------------|
   | Port 1 (J1)  |  Port 2  |  J4/E  |  J4/F  |  J4/G  | J4/H  |
   |              |   (J2)   |        |        |        |       |
   |--------------+----------+--------+--------+--------+-------|
   |>> |   IRQ4   |   IRQ3   |  Open  |  Open  | Pins 1 | Pins  |
   |   |          |          |        |        |  & 2   | 2 & 3 |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   IRQ4   |   IRQ2   |  Open  | Pins 1 | Pins 1 | Open  |
   |   |          |          |        |  & 2   |  & 2   |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   IRQ4   |   IRQ5   |  Open  | Pins 2 | Pins 1 | Open  |
   |   |          |          |        |  & 3   |  & 2   |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   IRQ2   |   IRQ3   | Pins 1 |  Open  |  Open  | Pins  |
   |   |          |          |  & 2   |        |        | 2 & 3 |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   IRQ2   |   IRQ4   | Pins 1 |  Open  |  Open  | Pins  |
   |   |          |          |  & 2   |        |        | 1 & 2 |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   IRQ2   |   IRQ5   | Pins 1 | Pins 2 |  Open  | Open  |
   |   |          |          |  & 2   |  & 3   |        |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   IRQ3   |   IRQ2   |  Open  | Pins 1 | Pins 2 | Open  |
   |   |          |          |        |  & 2   |  & 3   |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   IRQ3   |   IRQ4   |  Open  |  Open  | Pins 2 | Pins  |
   |   |          |          |        |        |  & 3   | 1 & 2 |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   IRQ3   |   IRQ5   |  Open  | Pins 2 | Pins 2 | Open  |
   |   |          |          |        |  & 3   |  & 3   |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   IRQ5   |   IRQ2   | Pins 2 | Pins 1 |  Open  | Open  |
   |   |          |          |  & 3   |  & 2   |        |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   IRQ5   |   IRQ3   | Pins 2 |  Open  |  Open  | Pins  |
   |   |          |          |  & 3   |        |        | 2 & 3 |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   IRQ5   |   IRQ4   | Pins 2 |  Open  |  Open  | Pins  |
   |   |          |          |  & 3   |        |        | 1 & 2 |
   |---+----------+----------+--------+--------+--------+-------|
   |   | Disabled |   IRQ2   |  Open  | Pins 1 |  Open  | Open  |
   |   |          |          |        |  & 2   |        |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   | Disabled |   IRQ3   |  Open  |  Open  |  Open  | Pins  |
   |   |          |          |        |        |        | 2 & 3 |
   |---+----------+----------+--------+--------+--------+-------|
   |   | Disabled |   IRQ4   |  Open  |  Open  |  Open  | Pins  |
   |   |          |          |        |        |        | 1 & 2 |
   |---+----------+----------+--------+--------+--------+-------|
   |   | Disabled |   IRQ5   |  Open  | Pins 2 |  Open  | Open  |
   |   |          |          |        |  & 3   |        |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   IRQ2   | Disabled | Pins 1 |  Open  |  Open  | Open  |
   |   |          |          |  & 2   |        |        |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   IRQ3   | Disabled |  Open  |  Open  | Pins 2 | Open  |
   |   |          |          |        |        |  & 3   |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   IRQ4   | Disabled |  Open  |  Open  | Pins 1 | Open  |
   |   |          |          |        |        |  & 2   |       |
   |---+----------+----------+--------+--------+--------+-------|
   |   |   IRQ5   | Disabled | Pins 2 |  Open  |  Open  | Open  |
   |   |          |          |  & 3   |        |        |       |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+