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

   A508

   Card Type          Serial controller                           
   Chipset/Controller 8530 UART                                   
   I/O Options        Serial ports (2)                            
   Maximum DRAM       N/A                                         

<gopher://bitreich.org/I/th99/i/U-Z/50683-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose       | Location |     Purpose     | Location |
   |--------------------+----------+-----------------+----------|
   | Serial port 1 -    |   CN1    | Serial port 2 - |   CN2    |
   | DB-9               |          | DB-9            |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  DMA CHANNEL SELECT - H1                   |
   |------------------------------------------------------------|
   |  Channel  |  Jumper A  | Jumper B  | Jumper C  | Jumper D  |
   |-----------+------------+-----------+-----------+-----------|
   |>>  |  1   |   Closed   |   Open    |   Open    |  Closed   |
   |----+------+------------+-----------+-----------+-----------|
   |    |  0   |    Open    |  Closed   |  Closed   |   Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   INTERRUPT SELECT - H2                    |
   |------------------------------------------------------------|
   |    IRQ     | Jumper A  | Jumper B  | Jumper C  | Jumper D  |
   |------------+-----------+-----------+-----------+-----------|
   |>> | IRQ11  |   Open    |  Closed   |   Open    |   Open    |
   |---+--------+-----------+-----------+-----------+-----------|
   |   |  IRQ5  |   Open    |   Open    |   Open    |  Closed   |
   |---+--------+-----------+-----------+-----------+-----------|
   |   | IRQ10  |   Open    |   Open    |  Closed   |   Open    |
   |---+--------+-----------+-----------+-----------+-----------|
   |   | IRQ12  |  Closed   |   Open    |   Open    |   Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       I/O ADDRESSES                        |
   |------------------------------------------------------------|
   |              Address              |           J9           |
   |-----------------------------------+------------------------|
   |>> |   Primary addresses enabled   |          Open          |
   |---+-------------------------------+------------------------|
   |   |  Secondary addresses enabled  |         Closed         |
   +------------------------------------------------------------+