
CORE PACIFIC ELECTRONICS, INC

386 MAINBOARD

Processor         80386DX
Processor Speed   33/40MHz
Chip Set          Forex
Max. Onboard DRAM 32MB
Cache             32/64/128KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387/3167

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            JP2      Power LED & keylock         JP9

  Turbo LED                   JP7      Speaker                    JP10

  Reset switch                JP8      Turbo switch               JP11

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     NPU mode select synchronous with         JP5           pins 1 & 2
      CPU                                                     closed

      NPU mode select synchronous with         JP5           pins 2 & 3
      oscillator installed at Y1                              closed

     CPU speed select forced slow            JP11            Closed

      CPU speed select switchable at          JP11             Open
      keyboard

     External battery select 3.6VDC          JP200           Closed

      External battery select 6.0VDC          JP200            Open

     Battery type select internal            JP201           Closed

      Battery type select external            JP201            Open

     CMOS memory normal operation            JP202            Open

      CMOS memory clear                       JP202           Closed

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 256K x 9   (4) 1 M x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      32MB        (4) 4M x 9      (4) 4M x 9

                           CACHE CONFIGURATION

     Size          Bank 0         Bank 1          U15            U16

     32KB        (4) 8K x 8        NONE          NONE        (1) 8K x 8

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8     (1) 8K x 8

     128KB          NONE       (4) 32K x 8    (1) 32K x 8       NONE

        CACHE JUMPER CONFIGURATION

        Size                 JP6

        32KB          pins 1 & 2 closed

        64KB          pins 2 & 3 closed

        128KB         pins 2 & 3 closed

