PC'S LIMITED, INC.
==================

   28608L/AT122

   Processor             80286                                    
   Processor Speed       10MHz                                    
   Chip Set              C & T                                    
   Max. Onboard DRAM     1MB                                      
   Cache                 None                                     
   BIOS                  PC's Ltd.                                
   Dimensions            330mm x 218mm                            
   I/O Options           None                                     
   NPU Options           80287                                    

<gopher://bitreich.org/I/th99/m/P-R/30497-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Power LED &       |    J2    | External battery |    J4    |
   | keylock           |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Speaker           |    J3    | Reset switch     |    J9    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Switch | Position |
   |----------------------------------------+--------+----------|
   |>> | Monitor type select color          | SW1/1  |    On    |
   |---+------------------------------------+--------+----------|
   |   | Monitor type select monochrome     | SW1/1  |   Off    |
   |---+------------------------------------+--------+----------|
   |>> | Green display LED indicates CPU    | SW1/2  |    On    |
   |   | speed (on = fast)                  |        |          |
   |---+------------------------------------+--------+----------|
   |   | Green display LED indicates power  | SW1/2  |   Off    |
   |   | on                                 |        |          |
   |---+------------------------------------+--------+----------|
   |>> | BIOS type select 27256             | SW1/3  |    On    |
   |---+------------------------------------+--------+----------|
   |   | BIOS type select 27128             | SW1/3  |   Off    |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  | SW1/4  |   Off    |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  | SW1/5  |   Off    |
   |---+------------------------------------+--------+----------|
   |>> | 1024 DRAM split as 512K base, 512K | SW1/6  |   Off    |
   |   | extended                           |        |          |
   |---+------------------------------------+--------+----------|
   |   | 1024 DRAM split as 640K base, 384K | SW1/6  |    On    |
   |   | extended                           |        |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |  Size  |   Bank 0   |   Bank 1   |   Bank 2   |   Bank 3   |
   |--------+------------+------------+------------+------------|
   | 256KB  | (9) 41256  |    NONE    |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   | 512KB  | (9) 41256  | (9) 41256  |    NONE    |    NONE    |
   |--------+------------+------------+------------+------------|
   | 640KB  | (9) 41256  | (9) 41256  |  (9) 4164  |  (9) 4164  |
   |--------+------------+------------+------------+------------|
   |  1MB   | (9) 41256  | (9) 41256  | (9) 41256  | (9) 41256  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM SWITCH CONFIGURATION                  |
   |------------------------------------------------------------|
   |        Size        |       SW1/7       |       SW1/8       |
   |--------------------+-------------------+-------------------|
   |       256KB        |        On         |        Off        |
   |--------------------+-------------------+-------------------|
   |       512KB        |        On         |       open        |
   |--------------------+-------------------+-------------------|
   |       640KB        |        Off        |        Off        |
   |--------------------+-------------------+-------------------|
   |        1MB         |        Off        |       open        |
   +------------------------------------------------------------+