
CACHE COMPUTERS, INC.

CACHE 486 MINI (Model 348)

Processor         80486SX/80487SX/80486DX/80486DX2
Processor Speed   25/33/50(internal)/66(internal)MHz
Chip Set          OPTI
Max. Onboard DRAM 32MB
Cache             64/128/256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       Auxiliary keyboard connector
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  External battery             BAT      Reset switch               RST

  Power LED & keylock          KEY      Speaker                    SPK

  Auxiliary keyboard           KB2      Turbo switch               TSW

  Turbo LED                    LED

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select color                J7             Closed

      Monitor type select monochrome           J7              Open

     CMOS memory normal operation             W1              Open

      CMOS memory clear                        W1             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) 1M x 9     (4) 256K x 9

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

      16MB        (4) 4M x 9         NONE

      17MB        (4) 4M x 9     (4) 256K x 9

      20MB        (4) 4M x 9      (4) 1M x 9

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

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     64KB        (4) 8K x 8     (4) 8K x 8    (2) 16K x 4

     128KB      (4) 32K x 8        NONE       (2) 16K x 4

     256KB      (4) 32K x 8    (4) 32K x 8    (2) 16K x 4

                        CACHE JUMPER CONFIGURATION

    Size           W2              W3             W6             W7

    64KB        pins 1 & 2     pins 1 & 2     pins 2 & 3      pins 2 & 3
                 closed          closed         closed         closed

    128KB       pins 1 & 2     pins 2 & 3     pins 1 & 2      pins 1 & 2
                 closed          closed         closed         closed

    256KB       pins 2 & 3     pins 2 & 3     pins 2 & 3      pins 2 & 3
                 closed          closed         closed         closed

                          CPU TYPE CONFIGURATION

          Type                      W8                       W9

         80486SX            pins 2 & 3 closed               Open

         80487SX             pins 1 & 2, 3 & 4       pins 2 & 3 closed
                                  closed

         80486DX             pins 1 & 2, 3 & 4       pins 1 & 2 closed
                                  closed

        80486DX2             pins 1 & 2, 3 & 4       pins 1 & 2 closed
                                  closed

