POSITIVE CORPORATION
====================

   IOSB CARD (V6.0)

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

<gopher://bitreich.org/I/th99/i/P-R/51243-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Purpose     | Location |      Purpose       | Location |
   |-----------------+----------+--------------------+----------|
   | 9-pin serial    |   CN1    | 10-pin serial      |   CN3    |
   | port (Port 1)   |          | interface (Port 2) |          |
   |-----------------+----------+--------------------+----------|
   | 25-pin parallel |   CN2    | 16-pin game/MIDI   |   CN4    |
   | port            |          | interface          |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |           GAME PORT CONFIGURATION (200H - 207H)            |
   |------------------------------------------------------------|
   |            Setting            |            JP1             |
   |-------------------------------+----------------------------|
   |            Enabled            |           Closed           |
   |-------------------------------+----------------------------|
   |           Disabled            |            Open            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |     Address     | IRQ  | JP3/A  | JP3/B  | JP3/C  | JP3/D  |
   |-----------------+------+--------+--------+--------+--------|
   | 3F8h-3FFh(COM1) |  4   |  Open  |  Open  |  Open  |  Open  |
   |-----------------+------+--------+--------+--------+--------|
   | 2F8h-2FFh(COM2) |  3   |  Open  |  Open  |  Open  |  Open  |
   |-----------------+------+--------+--------+--------+--------|
   | 3E8h-3EFh(COM3) |  5   |  Open  |  Open  | Closed | Closed |
   |-----------------+------+--------+--------+--------+--------|
   | 2E8h-2EFh(COM4) |  5   | Closed | Closed |  Open  |  Open  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            SERIAL PORT 1 CONFIGURATION (CON'T)             |
   |------------------------------------------------------------|
   |     Address     | IRQ  | JP3/E  | JP3/F  | JP3/G  | JP3/H  |
   |-----------------+------+--------+--------+--------+--------|
   | 3F8h-3FFh(COM1) |  4   |  Open  |  Open  | Closed | Closed |
   |-----------------+------+--------+--------+--------+--------|
   | 2F8h-2FFh(COM2) |  3   | Closed | Closed |  Open  |  Open  |
   |-----------------+------+--------+--------+--------+--------|
   | 3E8h-3EFh(COM3) |  5   |  Open  |  Open  |  Open  |  Open  |
   |-----------------+------+--------+--------+--------+--------|
   | 2E8h-2EFh(COM4) |  5   |  Open  |  Open  |  Open  |  Open  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 2 CONFIGURATION                 |
   |------------------------------------------------------------|
   |     Address     | IRQ  | JP4/A  | JP4/B  | JP4/C  | JP4/D  |
   |-----------------+------+--------+--------+--------+--------|
   | 3F8h-3FFh(COM1) |  4   |  Open  |  Open  |  Open  |  Open  |
   |-----------------+------+--------+--------+--------+--------|
   | 2F8h-2FFh(COM2) |  3   |  Open  |  Open  |  Open  |  Open  |
   |-----------------+------+--------+--------+--------+--------|
   | 3E8h-3EFh(COM3) |  5   |  Open  |  Open  | Closed | Closed |
   |-----------------+------+--------+--------+--------+--------|
   | 2E8h-2EFh(COM4) |  5   | Closed | Closed |  Open  |  Open  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            SERIAL PORT 2 CONFIGURATION (CON'T)             |
   |------------------------------------------------------------|
   |     Address     | IRQ  | JP4/E  | JP4/F  | JP4/G  | JP4/H  |
   |-----------------+------+--------+--------+--------+--------|
   | 3F8h-3FFh(COM1) |  4   |  Open  |  Open  | Closed | Closed |
   |-----------------+------+--------+--------+--------+--------|
   | 2F8h-2FFh(COM2) |  3   | Closed | Closed |  Open  |  Open  |
   |-----------------+------+--------+--------+--------+--------|
   | 3E8h-3EFh(COM3) |  5   |  Open  |  Open  |  Open  |  Open  |
   |-----------------+------+--------+--------+--------+--------|
   | 2E8h-2EFh(COM4) |  5   |  Open  |  Open  |  Open  |  Open  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |     Address     |  IRQ   |   JP2/A   |  JP2/B   |  JP2/C   |
   |-----------------+--------+-----------+----------+----------|
   | 3BCh-3BFh(LPT1) |   7    |   Open    |   Open   |   Open   |
   |-----------------+--------+-----------+----------+----------|
   | 378h-37Fh(LPT2) |   7    |   Open    |   Open   |  Closed  |
   |-----------------+--------+-----------+----------+----------|
   | 278h-27Fh(LPT3) |   5    |  Closed   |  Closed  |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            PARALLEL PORT CONFIGURATION (CON'T)             |
   |------------------------------------------------------------|
   |     Address     |  IRQ   |   JP2/D   |  JP2/E   |  JP2/F   |
   |-----------------+--------+-----------+----------+----------|
   | 3BCh-3BFh(LPT1) |   7    |   Open    |  Closed  |  Closed  |
   |-----------------+--------+-----------+----------+----------|
   | 378h-37Fh(LPT2) |   7    |  Closed   |   Open   |   Open   |
   |-----------------+--------+-----------+----------+----------|
   | 278h-27Fh(LPT3) |   5    |   Open    |   Open   |   Open   |
   +------------------------------------------------------------+