UNIDENTIFIED
============

   BS-301AT

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

<gopher://bitreich.org/I/th99/i/A-B/50205-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose       | Location |     Purpose     | Location |
   |--------------------+----------+-----------------+----------|
   | Serial port (COM1) |   CN1    | Game port       |    J4    |
   |--------------------+----------+-----------------+----------|
   | Serial port (COM2) |   CN2    | Parallel port   |    J5    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             FACTORY CONFIGURED - DO NOT ALTER              |
   |------------------------------------------------------------|
   |           Switch            |           Position           |
   |-----------------------------+------------------------------|
   |            SW1/3            |             N/A              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   |   Port 1 (CN1)    | Port 2 (CN2)  |   SW1/1    |   SW1/2   |
   |-------------------+---------------+------------+-----------|
   |>> |     COM1      |     COM2      |    Off     |    Off    |
   |---+---------------+---------------+------------+-----------|
   |   |     COM2      |     COM3      |     On     |    On     |
   |---+---------------+---------------+------------+-----------|
   |   |     COM3      |     COM4      |     On     |    Off    |
   |---+---------------+---------------+------------+-----------|
   |   |   Disabled    |   Disabled    |    Off     |    On     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT INTERRUPT SELECTION               |
   |------------------------------------------------------------|
   |   Port 1    | Port 2 (CN2) | SW2/1 | SW2/2 | SW2/3 | SW2/4 |
   |    (CN1)    |              |       |       |       |       |
   |-------------+--------------+-------+-------+-------+-------|
   |>>  |  IRQ4  |     IRQ3     |  On   |  Off  |  On   |  Off  |
   |----+--------+--------------+-------+-------+-------+-------|
   |    |  IRQ3  |     IRQ4     |  Off  |  On   |  Off  |  On   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |    LPT     |     Port      |        JP1        |   SW1/4   |
   |------------+---------------+-------------------+-----------|
   |>> |   1    |    Enabled    | Pins 2 & 3 closed |    On     |
   |---+--------+---------------+-------------------+-----------|
   |   |   2    |   Disabled    | Pins 1 & 2 closed |    Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PARALLEL PORT INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |         IRQ          |      SW2/5       |      SW2/6       |
   |----------------------+------------------+------------------|
   |>>    |       7       |        On        |       Off        |
   |------+---------------+------------------+------------------|
   |      |       5       |       Off        |        On        |
   +------------------------------------------------------------+