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

   286 I/O PLUS CARD YL-27B VER. 2.0

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

<gopher://bitreich.org/I/th99/i/U-Z/51381-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose      | Location |     Purpose      | Location |
   |-------------------+----------+------------------+----------|
   | Serial port 1     |    J1    | Game port        |    J3    |
   |-------------------+----------+------------------+----------|
   | Serial port 2     |    J2    | Parallel port    |    J4    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 1 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |      Port 1 (J1)       |       SW1       |       SW3       |
   |------------------------+-----------------+-----------------|
   |>>    |      COM1       |     Closed      |      Open       |
   |------+-----------------+-----------------+-----------------|
   |      |      COM3       |      Open       |     Closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 2 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |      Port 1 (J2)       |       SW2       |       SW4       |
   |------------------------+-----------------+-----------------|
   |>>    |      COM2       |     Closed      |      Open       |
   |------+-----------------+-----------------+-----------------|
   |      |      COM4       |      Open       |     Closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |             Setting              |           SW5           |
   |----------------------------------+-------------------------|
   |>>   |          Enabled           |          Open           |
   |-----+----------------------------+-------------------------|
   |     |          Disabled          |         Closed          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              PARALLEL PORT ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |          Address           |              JP2              |
   |----------------------------+-------------------------------|
   |>>  |         LPT1          |       Pins 1 & 2 closed       |
   |----+-----------------------+-------------------------------|
   |    |         LPT2          |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                MISCELLANEOUS TECHNICAL NOTE                |
   |------------------------------------------------------------|
   | Note: The significance of jumpers JP1 and SW6 is           |
   | unidentified.                                              |
   +------------------------------------------------------------+