UNIDENTIFIED

CACHE-386

Processor         80386DX
Processor Speed   25MHz
Chip Set          ZYMOS Poach
Max. Onboard DRAM 16MB
Cache             32KB
BIOS              Unidentified
Dimensions        355mm x 304mm
I/O Options       None
NPU Options       80387/3167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                Location

  Power LED & keylock       J17        Speaker                   J20

  External keyboard         J18        Turbo LED             Unidentified

  Reset switch              J19        External battery      Unidentified

                        USER CONFIGURABLE SETTINGS

                 Function                     Jumper         Position

  »   NPU mode select asynchronous with        JP1           pins 2 & 3
      CPU                                                     closed

      NPU mode select synchronous with         JP1           pins 1 & 2
      CPU                                                     closed

  »   Factory configured - do not alter        JP2              N/A

  »   Factory configured - do not alter        JP3              N/A

  »   Factory configured - do not alter        JP4              N/A

  »   Factory configured - do not alter        JP5              N/A

  »   Factory configured - do not alter        JP10             N/A

  »   Pipeline mode enabled                    JP11          pins 1 & 2
                                                              closed

      Pipeline mode disabled                   JP11          pins 2 & 3
                                                              closed

  »   Factory configured - do not alter        JP22             N/A

  »   Factory configured - do not alter        JP25             N/A

  »   CPU speed select fast (25MHz)            JP26            Open

      CPU speed select slow (8MHz)             JP26          pins 1 & 2
                                                              closed

  »   Monitor type select color                SW2           pins 1 & 2
                                                              closed

      Monitor type select monochrome           SW2           pins 2 & 3
                                                              closed

                            DRAM CONFIGURATION

     Size          Bank 0         Bank 1         Bank 2         Bank 3

      1MB        (4) 256K x 9      NONE           NONE           NONE

   1MB(EMS)      (4) 256K x 9      NONE           NONE           NONE

      2MB        (4) 256K x 9  (4) 256K x 9       NONE           NONE

      3MB        (4) 256K x 9  (4) 256K x 9   (4) 256K x 9       NONE

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

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

      5MB        (4) 1M x 9    (4) 256K x 9       NONE           NONE

      6MB        (4) 1M x 9    (4) 256K x 9   (4) 256K x 9       NONE

      7MB        (4) 1M x 9    (4) 256K x 9   (4) 256K x 9   (4) 256K x 9

      8MB        (4) 1M x 9     (4) 1M x 9        NONE           NONE

      9MB        (4) 1M x 9     (4) 1M x 9    (4) 256K x 9       NONE

     10MB        (4) 1M x 9     (4) 1M x 9    (4) 256K x 9   (4) 256K x 9

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

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

     13MB        (4) 1M x 9     (4) 1M x 9     (4) 1M x 9    (4) 256K x 9

     16MB        (4) 1M x 9     (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

  16MB (EMS)     (4) 1M x 9     (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

                      DRAM SWITCH CONFIGURATION

     Size         SW4/1         SW4/2        SW4/3         SW4/4

     1MB           On            On            On            On

   1MB(EMS)        Off           On            On            On

     2MB           On            Off           On            On

     3MB           Off           Off           On            On

     4MB           On            On           Off            On

  4MB (EMS)        On            On           Off            On

     5MB           Off           On           Off            On

     6MB           On            Off          Off            On

     7MB           Off           Off          Off            On

     8MB           On            On            On           Off

     9MB           Off           On            On           Off

     10MB          On            Off           On           Off

     12MB          Off           Off           On           Off

  12MB (EMS)       On            On           Off           Off

     13MB          Off           On           Off           Off

     16MB          On            Off          Off           Off

  16MB (EMS)       Off           Off          Off           Off

                         DRAM TYPE CONFIGURATION

    Bank       DRAM type     SW1/1       SW1/2        SW1/3       SW1/4

   Bank 0      256K x 9       On          N/A          N/A         N/A

   Bank 0       1M x 9        Off         N/A          N/A         N/A

   Bank 1      256K x 9       N/A          On          N/A         N/A

   Bank 1       1M x 9        N/A         Off          N/A         N/A

   Bank 2      256K x 9       N/A         N/A           On         N/A

   Bank 2       1M x 9        N/A         N/A          Off         N/A

   Bank 3      256K x 9       N/A         N/A          N/A          On

   Bank 3       1M x 9        N/A         N/A          N/A         Off

                   DRAM MODE CONFIGURATION

        Size                 JP7                  JP9

       Bypass          pins 2 & 3 closed   pins 2 & 3 closed

       Normal          pins 1 & 2 closed   pins 1 & 2 closed

                            CACHE CONFIGURATION

   Note: The size of the cache chips are unidentified. Maximum cache size
                                 is 32KB.

                      NPU CONFIGURATION

       Setting               JP6                  JP8

      Disabled         pins 1 & 2 closed   pins 1 & 2 closed

       Enabled         pins 2 & 3 closed   pins 2 & 3 closed