
MICRONICS COMPUTERS, INC.

80386 SMT ASIC, 386 ASIC CACHE VER. 4.0

Processor         80386DX
Processor Speed   25/33MHz
Chip Set          Micronics
Max. Onboard DRAM 4MB
Cache             64KB
BIOS              AMI
Dimensions        215mm x 337mm
I/O Options       32-bit external memory card
NPU Options       80387/3167

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Power LED & keylock         J5       32-bit external             S1
                                       memory card

  External keyboard           J6       Reset switch                W1

  Speaker                     J8       Turbo LED                   W4

  External battery            J9       Turbo switch                W5

                        USER CONFIGURABLE SETTINGS

                Function                     Switch          Position

     Factory configured - do not alter       SW1/1             On

     NPU enabled                             SW1/2             Off

      NPU disabled                            SW1/2             On

     BIOS shadowing enabled                  SW1/4             Off

      BIOS shadowing disabled                 SW1/4             On

     Factory configured - do not alter       SW1/5             Off

     Monitor type select color               SW1/6             On

      Monitor type select monochrome          SW1/6             Off

     Cache enabled                           SW1/7             On

      Cache disabled                          SW1/7             Off

                            DRAM CONFIGURATION

    Size       Bank 0       Bank 1       Bank 2      Bank 3      Bank 4

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    10MB      (4) 256K x     NONE      (4) 256K x    (4) 1M x    (4) 1M x
                  9                        9            9           9

    10MB        NONE      (4) 256K x   (4) 256K x    (4) 1M x    (4) 1M x
                              9            9            9           9

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

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

    13MB      (4) 256K x     NONE      (4) 1M x 9    (4) 1M x    (4) 1M x
                  9                                     9           9

    13MB        NONE      (4) 256K x   (4) 1M x 9    (4) 1M x    (4) 1M x
                              9                         9           9

    16MB      (4) 1M x 9     NONE      (4) 1M x 9    (4) 1M x    (4) 1M x
                                                        9           9

    16MB        NONE      (4) 1M x 9   (4) 1M x 9    (4) 1M x    (4) 1M x
                                                        9           9

  Note:Banks 1, 2, 3, & 4 are utilized when a 32-bit external memory card
  is installed at S1.

  Banks 0 & 1 can not be used simultaneously

                            CACHE CONFIGURATION

  Size     Organization      Cache     Location       W14         W15

  32KB     Direct mapped     (4) 8K     Bank 0      closed     pins 1 & 2
                              x 8                               closed

  64KB       2-way set       (8) 8K    Banks 0 &     open      pins 2 & 3
            associative       x 8          1                    closed

                  CACHE JUMPER CONFIGURATION

        Size                 W14                  W15

        32KB                closed         pins 1 & 2 closed

        64KB                 open          pins 2 & 3 closed

                          BUS SPEED CONFIGURATION

            Speed                    SW1/3                  SW1/8

            iOSC/3                    On                    Off

             iOSC/4                   Off                     On

