
MICRONICS COMPUTERS, INC.

80386 ASIC CACHE ISA

Processor               80386DX
Processor Speed         20/25/33MHz
Chip Set                Micronics
Max. Onboard DRAM       16MB
Cache                   64KB (82385)
BIOS                    Micronics
Dimensions              355.6mm x 304.8mm
I/O Options             Parallel port, serial ports (2), floppy drive
                        interface, IDE interface
NPU Options             80387/3167

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  Power LED & keylock           J5      Serial port (COM1)        J610

  Auxiliary keyboard            J6      Serial port (COM2)        J611

  Speaker                       J8      Reset switch               W1

  External battery              J9      Turbo LED                  W4

  IDE interface LED            J60      Turbo switch               W5

  Parallel port                J609

                        USER CONFIGURABLE SETTINGS

               Function                  Jumper/Switch        Position

     Factory configured - do not            SW1/1               On
      alter

     NPU enabled                            SW1/2               Off

      NPU disabled                           SW1/2               On

     Factory configured - do not            SW1/3               Off
      alter

     Video BIOS shadowing enabled           SW1/4               On

      Video BIOS shadowing disabled          SW1/4               Off

     Factory configured - do not            SW1/5               Off
      alter

     Monitor type select color              SW1/6               On

      Monitor type select monochrome         SW1/6               Off

     Cache enabled                          SW1/7               On

      Cache disabled                         SW1/7               Off

     Factory configured - do not            SW1/8               Off
      alter

     Serial port (J610) select              SW2/1               On
      COM1/3F8-3FFh

      Serial port (J610) disabled            SW2/1               Off

     Serial port (J611) select              SW2/2               On
      COM2/2F8-2FF

      Serial port (J611) disabled            SW2/2               Off

     IDE interface (J606) enabled           SW2/3               On

      IDE interface (J606) disabled          SW2/3               Off

     Floppy interface (J607)                SW2/4               On
      enabled

      Floppy interface (J607)                SW2/4               Off
      disabled

     Floppy interface address               SW2/5               On
      select primary (3F0 - 3F7)

      Floppy interface address               SW2/5              open
      select secondary (2F0 - 2F7)

     Factory configured - do not            SW2/8               On
      alter

     BIOS select 27256                        W2             pins 2 & 3
                                                               closed

      BIOS select 27512                        W2             pins 1 & 2
                                                               closed

      Non-cacheable region select              W9              Closed
      E00000 through FFFFFF

      Non-cacheable region select              W9               Open
      D00000 through DFFFFF

     Base memory size select 640KB           W10               Open

      Base memory size select 512KB           W10              Closed

     Factory configured - do not             W20               Open
      alter

     Video BIOS cacheing enabled             W501             Closed

      Video BIOS cacheing disabled            W501              Open

     Floppy drive type select                W603              Open
      single speed

      Floppy drive type select dual           W603             Closed
      speed

     IDE interface (J606)                    W604             Closed
      precompensation mode normal
      (125ns)

      IDE interface (J606)                    W604              Open
      precompensation mode alternate

                            DRAM CONFIGURATION

     Size          Bank 0         Bank 1         Bank 2         Bank 3

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

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

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

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

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

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

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

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

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

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

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

                  DRAM JUMPER CONFIGURATION

        Size                 W500                 W510

         1MB           pins 1 & 2 closed   pins 1 & 2 closed

         2MB           pins 1 & 2 closed   pins 1 & 2 closed

         4MB           pins 2 & 3 closed   pins 1 & 2 closed

         5MB           pins 1 & 2 closed   pins 2 & 3 closed

         6MB           pins 1 & 2 closed   pins 1 & 2 closed

         8MB           pins 2 & 3 closed   pins 2 & 3 closed

         9MB           pins 1 & 2 closed   pins 2 & 3 closed

        10MB           pins 1 & 2 closed   pins 1 & 2 closed

        12MB           pins 2 & 3 closed   pins 2 & 3 closed

        13MB           pins 1 & 2 closed   pins 2 & 3 closed

        16MB           pins 2 & 3 closed   pins 2 & 3 closed

                            CACHE CONFIGURATION

      Size             Organization           Bank 0           Bank 1

      32KB            Direct Mapped         (4) 8K x 8          NONE

      64KB        2-way Set-Associative     (4) 8K x 8       (4) 8K x 8

                  CACHE JUMPER CONFIGURATION

        Size                 W14                  W15

        32KB                Closed         pins 1 & 2 closed

        64KB                 Open          pins 2 & 3 closed

                 PARALLEL PORT CONFIGURATION

       Setting              SW2/6                SW2/7

  LPT1/IRQ7/378-37F           On                   On

  LPT1/IRQ7/3B8-3BF           On                  Off

  LPT2/IRQ5/278-27F          Off                   On

      Disabled               Off                  Off

