MAGNITRONICS
============

   B232 MINI 2S1P

   Card Type               Multi-I/O card                         
   Chip Set                Unidentified                           
   Maximum Onboard Memory  Unidentified                           
   I/O Options             Serial ports (2 RS-232), Parallel port 
   Hard Drives supported   None                                   
   Floppy drives supported None                                   
   Data Bus                8-bit ISA                              
   Card Size               Half-length                            

<gopher://bitreich.org/I/th99/i/M-O/54074-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Function      | Label |        Function        | Label |
   |-------------------+-------+------------------------+-------|
   | Serial port 1     |  CN1  | 25-pin parallel port   |  CN3  |
   |-------------------+-------+------------------------+-------|
   | Serial port 2     |  CN2  |                        |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              PARALLEL PORT ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |          Setting           |             JP1/E             |
   |----------------------------+-------------------------------|
   |        LPT2 (378h)         |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |        LPT3 (278h)         |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          Disabled          |             Open              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 1 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |   Setting   |   JP1/A   |   JP1/B   |   JP!/C   |  JP1/D   |
   |-------------+-----------+-----------+-----------+----------|
   | COM1 (3F8h) | Pins 1 &  |   Open    |   Open    |   Open   |
   |             | 2 closed  |           |           |          |
   |-------------+-----------+-----------+-----------+----------|
   | COM2 (2F8h) |   Open    | Pins 1 &  |   Open    |   Open   |
   |             |           | 2 closed  |           |          |
   |-------------+-----------+-----------+-----------+----------|
   | COM3 (3E8h) |   Open    |   Open    | Pins 1 &  |   Open   |
   |             |           |           | 2 closed  |          |
   |-------------+-----------+-----------+-----------+----------|
   | COM4 (2E8h) |   Open    |   Open    |   Open    | Pins 1 & |
   |             |           |           |           | 2 closed |
   |-------------+-----------+-----------+-----------+----------|
   |  Disabled   |   Open    |   Open    |   Open    |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 2 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |   Setting   |   JP1/A   |   JP1/B   |   JP!/C   |  JP1/D   |
   |-------------+-----------+-----------+-----------+----------|
   | COM1 (3F8h) | Pins 2 &  |   Open    |   Open    |   Open   |
   |             | 3 closed  |           |           |          |
   |-------------+-----------+-----------+-----------+----------|
   | COM2 (2F8h) |   Open    | Pins 2 &  |   Open    |   Open   |
   |             |           | 3 closed  |           |          |
   |-------------+-----------+-----------+-----------+----------|
   | COM3 (3E8h) |   Open    |   Open    | Pins 2 &  |   Open   |
   |             |           |           | 3 closed  |          |
   |-------------+-----------+-----------+-----------+----------|
   | COM4 (2E8h) |   Open    |   Open    |   Open    | Pins 2 & |
   |             |           |           |           | 3 closed |
   |-------------+-----------+-----------+-----------+----------|
   |  Disabled   |   Open    |   Open    |   Open    |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 1 INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |            IRQ             |             JP2/A             |
   |----------------------------+-------------------------------|
   |            IRQ4            |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |            IRQ3            |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 2 INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |            IRQ             |             JP2/B             |
   |----------------------------+-------------------------------|
   |            IRQ3            |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |            IRQ4            |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PARALLEL PORT INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |            IRQ             |             JP2/C             |
   |----------------------------+-------------------------------|
   |            IRQ7            |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |            IRQ5            |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+