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

   486 MAINBOARD

   Processor                     80486DX                          
   Processor Speed               33MHz                            
   Chip Set                      OPTI                             
   Max. Onboard DRAM             40MB                             
   Cache                         64/256KB                         
   BIOS                          AMI                              
   Dimensions                    330mm x 218mm                    
   I/O Options                   None                             
   NPU Options                   4167                             

<gopher://bitreich.org/I/th99/m/C-D/30707-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | External battery |   JP3    | Turbo LED         |   JP15   |
   |------------------+----------+-------------------+----------|
   | Reset switch     |   JP13   | Speaker           |   JP16   |
   |------------------+----------+-------------------+----------|
   | Turbo switch     |   JP14   | Power LED &       |   JP17   |
   |                  |          | keylock           |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Power good signal detect from    |  JP1   | pins 2 & 3 |
   |   | board                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Power good signal detect from    |  JP1   | pins 1 & 2 |
   |   | power supply                     |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |  JP2   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  JP2   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP12  |    Open    |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |  JP18  | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |  JP18  | pins 2 & 3 |
   |   |                                  |        |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
   |------+-------------+-------------+------------+------------|
   | 1MB  | (4) 256K x  |    NONE     |    NONE    |    NONE    |
   |      |      9      |             |            |            |
   |------+-------------+-------------+------------+------------|
   | 2MB  | (4) 256K x  | (4) 256K x  |    NONE    |    NONE    |
   |      |      9      |      9      |            |            |
   |------+-------------+-------------+------------+------------|
   | 4MB  | (4) 1M x 9  |    NONE     |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 5MB  | (4) 256K x  | (4) 1M x 9  |    NONE    |    NONE    |
   |      |      9      |             |            |            |
   |------+-------------+-------------+------------+------------|
   | 6MB  | (4) 256K x  | (4) 256K x  |  (1) 1M x  |    NONE    |
   |      |      9      |      9      |     36     |            |
   |------+-------------+-------------+------------+------------|
   | 8MB  | (4) 1M x 9  | (4) 1M x 9  |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 9MB  | (4) 256K x  | (4) 1M x 9  |  (1) 1M x  |    NONE    |
   |      |      9      |             |     36     |            |
   |------+-------------+-------------+------------+------------|
   | 10MB | (4) 256K x  | (4) 256K x  |  (1) 1M x  |  (1) 1M x  |
   |      |      9      |      9      |     36     |     36     |
   |------+-------------+-------------+------------+------------|
   | 12MB | (4) 1M x 9  | (4) 1M x 9  |  (1) 1M x  |    NONE    |
   |      |             |             |     36     |            |
   |------+-------------+-------------+------------+------------|
   | 13MB | (4) 256K x  | (4) 1M x 9  |  (1) 1M x  |  (1) 1M x  |
   |      |      9      |             |     36     |     36     |
   |------+-------------+-------------+------------+------------|
   | 16MB | (4) 1M x 9  | (4) 1M x 9  |  (1) 1M x  |  (1) 1M x  |
   |      |             |             |     36     |     36     |
   |------+-------------+-------------+------------+------------|
   | 16MB | (4) 4M x 9  |    NONE     |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 20MB | (4) 1M x 9  | (4) 4M x 9  |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 20MB | (4) 4M x 9  | (4) 1M x 9  |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 24MB | (4) 1M x 9  | (4) 4M x 9  |  (1) 1M x  |    NONE    |
   |      |             |             |     36     |            |
   |------+-------------+-------------+------------+------------|
   | 24MB | (4) 4M x 9  | (4) 1M x 9  |  (1) 1M x  |    NONE    |
   |      |             |             |     36     |            |
   |------+-------------+-------------+------------+------------|
   | 28MB | (4) 1M x 9  | (4) 4M x 9  |  (1) 1M x  |  (1) 1M x  |
   |      |             |             |     36     |     36     |
   |------+-------------+-------------+------------+------------|
   | 28MB | (4) 4M x 9  | (4) 1M x 9  |  (1) 1M x  |  (1) 1M x  |
   |      |             |             |     36     |     36     |
   |------+-------------+-------------+------------+------------|
   | 32MB | (4) 4M x 9  | (4) 4M x 9  |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 36MB | (4) 4M x 9  | (4) 4M x 9  |  (1) 1M x  |    NONE    |
   |      |             |             |     36     |            |
   |------+-------------+-------------+------------+------------|
   | 40MB | (4) 4M x 9  | (4) 4M x 9  |  (1) 1M x  |  (1) 1M x  |
   |      |             |             |     36     |     36     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |      U39      |      U40      |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (8) 8K x 8   |  (1) 8K x 8   |  (1) 64K x 1  |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (8) 32K x 8  |  (1) 32K x 8  |  (1) 64K x 1  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |     Size     |      JP4      |     JP5      |     JP6      |
   |--------------+---------------+--------------+--------------|
   |     64KB     |     Open      |     Open     |     Open     |
   |--------------+---------------+--------------+--------------|
   |    256KB     |    Closed     |    Closed    |    Closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |   Type   |   JP8   |        JP9        |       JP10        |
   |----------+---------+-------------------+-------------------|
   | 80486SX  |  Open   | pins 2 & 3 closed |       Open        |
   |----------+---------+-------------------+-------------------|
   | 80487SX  | Closed  | pins 1 & 2 closed | pins 1 & 2 closed |
   |----------+---------+-------------------+-------------------|
   | 80486DX  | Closed  | pins 1 & 2 closed | pins 2 & 3 closed |
   +------------------------------------------------------------+