CORE PACIFIC ELECTRONICS, INC.
==============================

   80486-33

   Processor             80486SX/80486DX                          
   Processor Speed       20/33/50MHz                              
   Chip Set              OPTI                                     
   Max. Onboard DRAM     32MB                                     
   Cache                 64/256KB                                 
   BIOS                  AMI                                      
   Dimensions            330mm x 218mm                            
   I/O Options           None                                     
   NPU Options           4167                                     

<gopher://bitreich.org/I/th99/m/P-R/30726-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose             | Location | Purpose        | Location |
   |---------------------+----------+----------------+----------|
   | External battery    |   J11    | Turbo LED      |   JP11   |
   |---------------------+----------+----------------+----------|
   | Power LED & keylock |   J20    | Reset switch   |   SW1    |
   |---------------------+----------+----------------+----------|
   | Speaker             |   J21    | Turbo switch   |   SW2    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |  JP1   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |  JP1   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |  JP2   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  JP2   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | Bus clock speed select ATCLK/4   |  JP6   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Bus clock speed select ATCLK/6   |  JP6   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | CPU speed select double          |  JP7   | pins 2 & 3 |
   |   | frequency clock                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CPU speed select single phase    |  JP7   | pins 1 & 2 |
   |   | clock                            |        |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       4MB        |     (4) 1M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |        TAG         |
   |------------------+--------------------+--------------------|
   |       64KB       |     (8) 8K x 8     |     (1) 4K x 8     |
   |------------------+--------------------+--------------------|
   |      256KB       |    (8) 32K x 8     |    (1) 16K x 8     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |   Size    |   JP8    |    JP9     |    JP10    |   JP12    |
   |-----------+----------+------------+------------+-----------|
   |   64KB    |   Open   |    Open    |    Open    |   Open    |
   |-----------+----------+------------+------------+-----------|
   |   256KB   |   Open   |   Closed   |   Closed   |  Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |   Type   |        JP3        |   JP4   |        JP5        |
   |----------+-------------------+---------+-------------------|
   | 80486SX  |       Open        |  Open   | pins 2 & 3 closed |
   |----------+-------------------+---------+-------------------|
   | 80486DX  | pins 2 & 3 closed | Closed  | pins 1 & 2 closed |
   +------------------------------------------------------------+