(TXT) View Source
       
       # 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                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        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 |
          +------------------------------------------------------------+