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

   RS-232 CARD

   Card Type          Serial card                                 
   Chipset/Controller Unknown                                     
   I/O Options        Serial ports (2)                            
   Maximum DRAM       N/A                                         

<gopher://bitreich.org/I/th99/i/U-Z/50369-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |    Purpose    |   Location   |    Purpose    |  Location   |
   |---------------+--------------+---------------+-------------|
   | Serial port 1 |     CN1      | Serial port 2 |     CN2     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   | Port 1 (CN1)  | Port 2 (CN2)  |            JP1             |
   |---------------+---------------+----------------------------|
   |>>    |  COM1  |     COM2      |  Pins 2 & 3, 4 & 5 closed  |
   |------+--------+---------------+----------------------------|
   |      |  COM1  |     COM3      |  Pins 2 & 3, 7 & 8 closed  |
   |------+--------+---------------+----------------------------|
   |      |  COM1  |     COM4      | Pins 2 & 3, 10 & 11 closed |
   |------+--------+---------------+----------------------------|
   |      |  COM2  |     COM1      |  Pins 1 & 2, 5 & 6 closed  |
   |------+--------+---------------+----------------------------|
   |      |  COM2  |     COM3      |  Pins 5 & 6, 7 & 8 closed  |
   |------+--------+---------------+----------------------------|
   |      |  COM2  |     COM4      | Pins 5 & 6, 10 & 11 closed |
   |------+--------+---------------+----------------------------|
   |      |  COM3  |     COM1      |  Pins 1 & 2, 8 & 9 closed  |
   |------+--------+---------------+----------------------------|
   |      |  COM3  |     COM2      |  Pins 4 & 5, 8 & 9 closed  |
   |------+--------+---------------+----------------------------|
   |      |  COM3  |     COM4      | Pins 8 & 9, 10 & 11 closed |
   |------+--------+---------------+----------------------------|
   |      |  COM4  |     COM1      | Pins 1 & 2, 11 & 12 closed |
   |------+--------+---------------+----------------------------|
   |      |  COM4  |     COM2      | Pins 4 & 5, 11 & 12 closed |
   |------+--------+---------------+----------------------------|
   |      |  COM4  |     COM3      | Pins 7 & 8, 11 & 12 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT INTERRUPT SELECT                |
   |------------------------------------------------------------|
   |  Port 1 (CN1)  | Port 2 (CN2)  |            JP2            |
   |----------------+---------------+---------------------------|
   |>>   |   IRQ4   |     IRQ3      | Pins 2 & 3, 4 & 5 closed  |
   |-----+----------+---------------+---------------------------|
   |     |   IRQ3   |     IRQ4      | Pins 1 & 2, 5 & 6 closed  |
   +------------------------------------------------------------+