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

   YL-24

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

<gopher://bitreich.org/I/th99/i/U-Z/50280-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose      | Location |     Purpose      | Location |
   |-------------------+----------+------------------+----------|
   | Serial port 1     |   CN1    | Serial port 2    |   CN3    |
   |-------------------+----------+------------------+----------|
   | Parellel port     |   CN2    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   |    Port 1     |    Port 2     |    SW1/1     |    SW1/2    |
   |---------------+---------------+--------------+-------------|
   |    Enabled    |   Disabled    |      On      |     Off     |
   |---------------+---------------+--------------+-------------|
   |   Disabled    |    Enabled    |     Off      |     On      |
   |---------------+---------------+--------------+-------------|
   |   Disabled    |   Disabled    |     Off      |     Off     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |   LPT    |   SW1/3    |   SW1/4    |   SW1/5   |   SW1/6   |
   |----------+------------+------------+-----------+-----------|
   |    1     |     On     |     On     |    Off    |    Off    |
   |----------+------------+------------+-----------+-----------|
   |    2     |    Off     |     On     |    On     |    Off    |
   |------------------------------------------------------------|
   | Note: For LPT2 on AT models switches 3 & 4 are Off and 5 & |
   | 6 are on.                                                  |
   +------------------------------------------------------------+