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

   YL-A16

   Processor             80286                                    
   Processor Speed       16/20MHz                                 
   Chip Set              Headland                                 
   Max. Onboard DRAM     4MB                                      
   Cache                 None                                     
   BIOS                  AMI                                      
   Dimensions            330mm x 218mm                            
   I/O Options           None                                     
   NPU Options           80287                                    

<gopher://bitreich.org/I/th99/m/U-Z/30489-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | External battery |   JP2    | Power LED &       |   JP9    |
   |                  |          | keylock           |          |
   |------------------+----------+-------------------+----------|
   | Reset switch     |   JP7    | Turbo LED         |   JP10   |
   |------------------+----------+-------------------+----------|
   | Speaker          |   JP8    | Turbo switch      |   JP20   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | NPU mode select synchronous with |  JP1   | pins 1 & 2 |
   |   | CPU                              |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | NPU mode select asynchronous     |  JP1   | pins 2 & 3 |
   |   | with CPU                         |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |  JP6   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  JP6   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |    Bank 0    |   Bank 1    |  Bank 2   |  Bank 3   |
   |-------+--------------+-------------+-----------+-----------|
   | 512KB |     NONE     |    NONE     | (4) 44256 |   NONE    |
   |-------+--------------+-------------+-----------+-----------|
   | 512KB | (2) 256K x 9 |    NONE     |   NONE    |   NONE    |
   |-------+--------------+-------------+-----------+-----------|
   | 640KB |     NONE     |    NONE     | (4) 44256 | (4) 4464  |
   |-------+--------------+-------------+-----------+-----------|
   |  1MB  |     NONE     |    NONE     | (4) 44256 | (4) 44256 |
   |-------+--------------+-------------+-----------+-----------|
   |  1MB  | (2) 256K x 9 | (2) 256K x  |   NONE    |   NONE    |
   |       |              |      9      |           |           |
   |-------+--------------+-------------+-----------+-----------|
   |  2MB  |  (2) 1M x 9  |    NONE     |   NONE    |   NONE    |
   |-------+--------------+-------------+-----------+-----------|
   |  4MB  |  (2) 1M x 9  | (2) 1M x 9  |   NONE    |   NONE    |
   |------------------------------------------------------------|
   | Note:SIMM and DIP memory may not be used concurrently.     |
   +------------------------------------------------------------+