
SILICON STAR INTERNATIONAL, INC.

CACHE 386/486 SYSTEM DOMINATOR AK3/4

Processor         AM386DX/80386DX/CX486DLC
Processor Speed   33/40MHz
Chip Set          UMC
Max. Onboard DRAM 32MB
Cache             32/128KB
BIOS              Award
Dimensions        170mm x 220mm
NPU Options       Intel 80387D/CX87DLC/IIT3C87-33-40

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  Keyboard Connector           J1       Turbo switch               J5

  External battery             J2       Turbo LED                  J6

  Power Input                  J3       Speaker                    J7

  Reset switch                 J4       Power LED & keylock        J8

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     NPU disabled                            JP1           pins 1 & 2
                                                              closed

      NPU enabled                             JP1           pins 2 & 3
                                                              closed

     CPU speed select 40 MHz                 JP7           pins 1 & 2
                                                              closed

      CPU speed select 33 MHz                 JP7           pins 2 & 3
                                                              closed

     Factory configured - do not             JP8              Open
      alter

     Power good signal detect from           JP9           pins 2 & 3
      board                                                   closed

      Power good signal detect from           JP9           pins 1 & 2
      power supply                                            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       Max Cachable       Bank 0           TAG

      32KB            8MB         (4) 8K x 8        8K x 8

     128KB           16MB         (4) 32K x 8       8K x 8

       CACHE JUMPER CONFIGURATION

   Size      JP3       JP4       JP5

   32KB      Open     Open      Open

  128KB     Closed   Closed    Closed

