
MICRONICS COMPUTERS, INC.

MICRONICS 386 (VER. 5.0)

Processor         80386SX
Processor Speed   20/25/33MHz
Chip Set          Unidentified
Max. Onboard DRAM 16MB (on external memory card)
Cache             32/64KB
BIOS              Phoenix
Dimensions        355mm x 305mm
I/O Options       External memory card
NPU Options       80387SX/3167

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            J2       Turbo LED                   W9

  Power LED & keylock         J21      Turbo switch                W15

  Speaker                     J22      External memory card        SL1

  Reset switch                W1

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

     Factory configured - do not           SW1/1                On
      alter

     NPU disabled                          SW1/2               Off

      NPU enabled                           SW1/2                On

     Factory configured - do not           SW1/3               Off
      alter

     EGA/BIOS relocated                    SW1/4                On

      EGA/BIOS not relocated                SW1/4               Off

     Factory configured - do not           SW1/5               Off
      alter

     Monitor type select                   SW1/6                On
      CGA/EGA/VGA

      Monitor type select                   SW1/6               Off
      monochrome

     Cache enabled                         SW1/7                On

      Cache disabled                        SW1/7               Off

     Bus speed select low                  SW1/8               Off

      Bus speed select high                 SW1/8                On

     Factory configured - do not            W3                Closed
      alter

     Factory configured - do not            W4                 Open
      alter

     Factory configured - do not            W5                 Open
      alter

     Factory configured - do not            W6                 Open
      alter

     Factory configured - do not            W10                Open
      alter

     Non cacheable region at                W22               Closed
      E0000 to EFFFF

      Non cacheable region at                W22                Open
      D0000 to DFFFF

     Factory configured - do not            W23                N/A
      alter

  Note: The location of jumpers W4, W5, W6, & W10 are unidentified.

           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

       Setting               W12                  W13

     Direct map             Closed         pins 1 & 2 closed

     Two way set             Open          pins 2 & 3 closed

                      NPU CONFIGURATION

       Setting                W7                   W8

    Asynchronous       pins 1 & 2 closed         Closed

     Synchronous       pins 2 & 3 closed          Open

[Image]

                                CONNECTIONS

               Purpose                              Location

     Proprietary memory expansion                      CN1
              connector

                            DRAM CONFIGURATION

         Size                   Bank 0                    Bank 1

          1MB                 (36) 41256                   NONE

          2MB                 (36) 41256                (36) 41256

          4MB                 (36) 411000                  NONE

          5MB                 (36) 41256                (36) 411000

          8MB                 (36) 411000               (36) 411000

            Note: Expansion card has a maximum of 8MB. To install 12MB or
            16MB, install memory card at CN1.

                         DRAM SWITCH CONFIGURATION

  Size   SW1/1    SW1/2   SW1/3   SW1/4   SW1/5    SW1/6   SW1/7   SW1/8

  1MB     On      Off      On      On      On      Off     Off      Off

  2MB     Off      On      On      On      On      Off     Off      Off

  4MB     On       On     Off      Off     On      Off     Off      Off

  5MB     Off     Off     Off      On      On      Off     Off      Off

  8MB     Off      On     Off      Off     On      Off     Off      Off

  12MB    Off     Off     Off      Off     On      Off     Off      Off

  16MB    Off     Off     Off      Off     On      Off     Off      Off

  Note: These chips are board specific. Refer to manual for proper chip
  sizes.

[Image]

                                CONNECTIONS

               Purpose                              Location

     Proprietary memory expansion                      CN1
              connector

                            DRAM CONFIGURATION

      Size             Bank 0            Bank 1              Bank 2

       1MB           (16) 44256           NONE                NONE

       2MB           (16) 44256         (8) 44256             NONE

       5MB           (16) 44256           NONE            (36) 411100

       6MB           (16) 44256         (8) 44256         (36) 411100

            Note: Expansion card has a maximum of 6MB. To install 16MB,
            install memory card at CN1.

                         DRAM SWITCH CONFIGURATION

  Size   SW1/1    SW1/2   SW1/3   SW1/4   SW1/5    SW1/6   SW1/7   SW1/8

  1MB     Off     Off     Off      Off     On       On      On       On

  2MB     Off     Off     Off      On      On       On      On       On

  5MB     Off      On      On      Off     On      Off      On       On

  6MB     Off      On     Off      On      On       On      On       On

  16MB    On       On      On      On      On       On      On       On

  Note: These chips are board specific. Refer to manual for proper chip
  sizes.

