DTK COMPUTER, INC.
==================

   PTI-209

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

<gopher://bitreich.org/I/th99/i/C-D/50210-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose      | Location |     Purpose      | Location |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN1    | Serial port 2    |   CN3    |
   |-------------------+----------+------------------+----------|
   | Serial port 1     |   CN2    | Game port        |   CN4    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   |  Port 1 (CN2)  |  Port 2 (CN3)  |           JP1            |
   |----------------+----------------+--------------------------|
   |>>   |   COM1   |      COM2      | Pins 2 & 3, 4 & 5 closed |
   |-----+----------+----------------+--------------------------|
   |     |   COM2   |      COM1      | Pins 1 & 2, 5 & 6 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT INTERRUPT SELECTION               |
   |------------------------------------------------------------|
   |  Port 1 (CN2)  |  Port 2 (CN3)  |           JP2            |
   |----------------+----------------+--------------------------|
   |>>   |   IRQ4   |      IRQ3      | Pins 1 & 2, 5 & 6 closed |
   |-----+----------+----------------+--------------------------|
   |     |   IRQ3   |      IRQ4      | Pins 2 & 3, 4 & 5 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |    PARALLEL PORT INTERRUPT SELECTION (FOR AT COMPUTER)     |
   |------------------------------------------------------------|
   |        IRQ         |          JP3          |      JP5      |
   |--------------------+-----------------------+---------------|
   |>>      |     7     |   Pins 3 & 4 closed   |     Open      |
   |--------+-----------+-----------------------+---------------|
   |        |     5     |   Pins 1 & 2 closed   |    Closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |    PARALLEL PORT INTERRUPT SELECTION (FOR XT COMPUTER)     |
   |------------------------------------------------------------|
   |        IRQ         |          JP3          |      JP5      |
   |--------------------+-----------------------+---------------|
   |>>      |     7     |   Pins 3 & 4 closed   |     Open      |
   |--------+-----------+-----------------------+---------------|
   |        |     5     |   Pins 3 & 4 closed   |    Closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  GAME PORT CONFIGURATION                   |
   |------------------------------------------------------------|
   |             Setting              |           JP4           |
   |----------------------------------+-------------------------|
   |>>  |           Enabled           |         Closed          |
   |----+-----------------------------+-------------------------|
   |    |          Disabled           |          Open           |
   +------------------------------------------------------------+