DASH COMPUTER, INC.

DC-386SX 20/25 CACHE

Processor         80386SX
Processor Speed   20/25MHz
Chip Set          OPTI
Max. Onboard DRAM 16MB
Cache             16/32/64KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery             J1       Turbo LED                  JP8

  Speaker                     J21       Reset switch               S2

  Power LED & keylock         J22       Turbo switch               S3

                        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

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB        (2) 256K x 9   (2) 256K x 9      NONE           NONE

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

     2MB        (2) 1M x 9        NONE           NONE           NONE

     4MB        (2) 1M x 9     (2) 1M x 9        NONE           NONE

     6MB        (2) 1M x 9     (2) 1M x 9     (2) 1M x 9        NONE

     8MB        (2) 1M x 9     (2) 1M x 9     (2) 1M x 9     (2) 1M x 9

     10MB       (2) 1M x 9     (2) 4M x 9        NONE           NONE

     12MB       (2) 1M x 9     (2) 1M x 9     (2) 4M x 9        NONE

     16MB       (2) 4M x 9     (2) 4M x 9        NONE           NONE

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

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

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

     64KB       (2) 32K x 8        NONE       (2) 16K x 4

                   CACHE JUMPER CONFIGURATION

   Size        JP3        JP4        JP5        JP6       JP7

   16KB       1 & 2      1 & 2      1 & 2      Open       Open

   32KB       2 & 3      1 & 2      1 & 2     Closed      Open

   64KB       2 & 3      2 & 3      2 & 3      Open      Closed

  Note: Pins designated should be in the closed position.