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

   286 I/O PLUS CARD YL-27B

   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/50019-1.png>
   

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

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   | Port 1 (J1)  | Port 2 (J2) | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
   |--------------+-------------+-------+-------+-------+-------|
   |>> |   COM1   |    COM2     |  On   |  On   |  Off  |  Off  |
   |---+----------+-------------+-------+-------+-------+-------|
   |   |   COM1   |    COM4     |  On   |  Off  |  Off  |  On   |
   |---+----------+-------------+-------+-------+-------+-------|
   |   |   COM3   |    COM2     |  Off  |  On   |  On   |  Off  |
   |---+----------+-------------+-------+-------+-------+-------|
   |   |   COM3   |    COM4     |  Off  |  Off  |  On   |  On   |
   |---+----------+-------------+-------+-------+-------+-------|
   |   | Disabled |    COM2     |  Off  |  On   |  Off  |  Off  |
   |---+----------+-------------+-------+-------+-------+-------|
   |   | Disabled |    COM4     |  Off  |  Off  |  Off  |  On   |
   |---+----------+-------------+-------+-------+-------+-------|
   |   |   COM1   |  Disabled   |  On   |  Off  |  Off  |  Off  |
   |---+----------+-------------+-------+-------+-------+-------|
   |   |   COM3   |  Disabled   |  Off  |  Off  |  On   |  Off  |
   |---+----------+-------------+-------+-------+-------+-------|
   |   | Disabled |  Disabled   |  Off  |  Off  |  Off  |  Off  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT INTERRUPT SELECTION               |
   |------------------------------------------------------------|
   | Port 1 (J1)  | Port 2 (J2) | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
   |--------------+-------------+-------+-------+-------+-------|
   |>>    | IRQ4  |    IRQ3     |  On   |  On   |  Off  |  Off  |
   |------+-------+-------------+-------+-------+-------+-------|
   |      | IRQ4  |    IRQ3     |  Off  |  Off  |  On   |  On   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |     LPT     |        JP2        |    SW1/5    |   SW1/6    |
   |-------------+-------------------+-------------+------------|
   |>> |    1    | Pins 1 & 2 closed |     On      |    Off     |
   |---+---------+-------------------+-------------+------------|
   |   |    2    | Pins 2 & 3 closed |     Off     |     On     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  GAME PORT CONFIGURATION                   |
   |------------------------------------------------------------|
   |             Setting              |           JP1           |
   |----------------------------------+-------------------------|
   |>>  |           Enabled           |         Closed          |
   |----+-----------------------------+-------------------------|
   |    |          Disabled           |          Open           |
   +------------------------------------------------------------+