UNIDENTIFIED

386 CACHE 33MHZ

Processor         80386SX (exact location unidentified)
Processor Speed   25/33MHz
Chip Set          Unidentified
Max. Onboard DRAM 16MB (12MB on external memory card)
Cache             32/64KB
BIOS              Phoenix
Dimensions        355mm x 305mm
I/O Options       32-bit external memory card
NPU Options       80387SX/3167(exact location unidentified)

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                    Location

  Speaker                    J1       External memory card         SL1

  Power LED & keylock        J2       Reset switch                 W3

  External battery           J4       Cache/turbo LED              W5

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

      Battery type select internal           H1                Closed

      Battery type select external           H1                 Open

  »   Factory configured - do not           SW2/1                On
      alter

      NPU disabled                          SW2/2               Off

      NPU enabled                           SW2/2                On

  »   Factory configured - do not           SW2/3               Off
      alter

  »   EGA BIOS relocated                    SW2/4                On

      EGA BIOS not relocated                SW2/4               Off

  »   Factory configured - do not           SW2/5               Off
      alter

      Monitor type select                   SW2/6                On
      CGA/EGA/VGA

      Monitor type select MGA               SW2/6               Off

      Slot speed select 12.5MHz             SW2/8                On

      Slot speed select 8.3MHz              SW2/8               Off

  »   Factory configured - do not            W1                 Open
      alter

  »   Factory configured - do not            W2                 Open
      alter

  »   Factory configured - do not            W6                 Open
      alter

  »   Factory configured - do not            W9                 Open
      alter

  »   Factory configured - do not            W10             pins 2 & 3
      alter                                                    closed

  »   Factory configured - do not            W12                N/A
      alter

  »   Factory configured - do not            W14                N/A
      alter

  »   Factory configured - do not            W15                N/A
      alter

  »   Factory configured - do not            W16                N/A
      alter

                            DRAM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2         Bank 3

      1MB        (36) 41256        NONE          NONE           NONE

      2MB        (36) 41256     (36) 41256       NONE           NONE

      4MB       (36) 411000        NONE          NONE           NONE

      8MB       (36) 411000    (36) 411000       NONE           NONE

     16MB       (36) 411000    (36) 411000    (4) 1M x 9     (4) 1M x 9

  Note: Banks 1, 2, & 3 are located on the external memory card.

                         DRAM SWITCH CONFIGURATION

  Size     SW1/1    SW1/2     SW1/3    SW1/4     SW1/6    SW1/7     SW1/8

   1MB      On       Off       On        On       Off      Off      Off

   2MB      Off       On       On        On       Off      Off      Off

   4MB      On        On       Off      Off       Off      Off      Off

   8MB      Off       On       Off      Off       Off      Off      Off

  16MB      Off      Off       Off      Off       Off      Off      Off

        DRAM SPEED CONFIGURATION

  CPU speed     DRAM speed     SW1/5

    25MHz         80ns          Off

    25MHz         100ns         Off

    25MHz         120ns          On

    33MHz         60ns          Off

    33MHz         80ns           On

           CACHE CONFIGURATION

     Size        Bank 0        Bank 1

     32KB       (4) 8K x 8      NONE

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

                  CACHE JUMPER CONFIGURATION

        Size                  W8                  W13

        32KB           pins 1 & 2 closed   pins 1 & 2 closed

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

              CACHE JUMPER/SWITCH CONFIGURATION

       Setting                W4                 SW2/7

       Enabled         pins 1 & 2 closed           On

      Disabled         pins 2 & 3 closed          Off

                      NPU CONFIGURATION

       Setting                W7                  W11

    Asynchronous            Closed         pins 1 & 2 closed

     Synchronous             Open          pins 2 & 3 closed