CACHING TECH CORPORATION

BC3486F

Processor        80386DX/80486SX/80487SX/80486DX/80486DX2
Processor Speed  16/20/25/33/40/50(internal)/66(internal)MHz
Chip Set         FOREX
Max. Onboard DRAM32MB
Cache            64/128/256KB
BIOS             AMI
Dimensions       330mm x 218mm
I/O Options      PS/2 mouse port
NPU Options      80387SX

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                   Location

  PS/2 mouse port           CN1       Turbo switch                JP15

  External battery          JP2       Turbo LED                   JP16

  Reset switch              JP8       Speaker                     JP17

  Power LED & keylock       JP14      External keyboard           JP20
                                      connector

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch        Position

  »   Monitor type select color              JP6              Closed

      Monitor type select                    JP6               Open
      monochrome

  »   On-board battery normal               JP23             pins 1 & 2
      operation                                               closed

      On-board battery discharge            JP23             pins 2 & 3
                                                              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) 1M x 9

      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         Bank 1         TAG0           TAG1

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8        NONE

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

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 8K x 8     (1) 8K x 8

                  CACHE JUMPER CONFIGURATION

  Size     JP8A     JP8B     JP8C     JP8D     JP8E    JP8F

  64KB     2 & 3   2 & 3    1 & 2    2 & 3    2 & 3    1 & 2

  128KB    1 & 2   2 & 3    1 & 2    1 & 2    1 & 2    1 & 2

  256KB    2 & 3   1 & 2    2 & 3    2 & 3    1 & 2    2 & 3

  Note: Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

    Type      W1/A     W1/B     W1/C    W1/D     W1/E     W1/F     W1/G

  80386DX    2 & 3    2 & 3    2 & 3    2 & 3    2 & 3    2 & 3    2 & 3

  80486SX    1 & 2    1 & 2    1 & 2    1 & 2    1 & 2    1 & 2    1 & 2

  80487SX    1 & 2    1 & 2    1 & 2    1 & 2    1 & 2    1 & 2    1 & 2

  80486DX    1 & 2    1 & 2    1 & 2    1 & 2    1 & 2    1 & 2    1 & 2

  80486DX2   1 & 2    1 & 2    1 & 2    1 & 2    1 & 2    1 & 2    1 & 2

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CON’T)

    Type      W2/A   W2/B    W2/C    W2/D    W2/E   W2/F    W2/G    W2/H

  80386DX     2 & 3  2 & 3   2 & 3   2 & 3   2 & 3  2 & 3   2 & 3   2 & 3

  80486SX     1 & 2  1 & 2   1 & 2   1 & 2   1 & 2  1 & 2   1 & 2   1 & 2

  80487SX     1 & 2  1 & 2   1 & 2   1 & 2   1 & 2  1 & 2   1 & 2   1 & 2

  80486DX     1 & 2  1 & 2   1 & 2   1 & 2   1 & 2  1 & 2   1 & 2   1 & 2

  80486DX2    1 & 2  1 & 2   1 & 2   1 & 2   1 & 2  1 & 2   1 & 2   1 & 2

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CON’T)

       Type               JP12              JP13               JP30

      80386DX             N/A                N/A               N/A

      80486SX          pins 2 & 3         pins 2 & 3           Open
                         closed            closed

      80487SX          pins 1 & 2         pins 1 & 2        pins 2 & 3
                         closed            closed             closed

      80486DX          pins 1 & 2         pins 1 & 2        pins 1 & 2
                         closed            closed             closed

     80486DX2          pins 1 & 2         pins 1 & 2        pins 1 & 2
                         closed            closed             closed