
MICRONICS COMPUTERS, INC.

MINI 486 (VER.B)

Processor        80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive
Processor Speed  25/33/50/66MHz
Chip Set         Micronics
Max. Onboard DRAM64MB
Cache            64/128/256KB
BIOS             Phoenix
Dimensions       240mm x 215mm
I/O Options      None
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                 Location

  External battery             J1       Turbo LED                 W14

  Speaker                     J18       Turbo switch              W15

  External keyboard           J19       Power LED & keylock       W19
  connector

  Reset switch                W13

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CMOS memory normal operation             W1           pins 1 & 2
                                                              closed

      CMOS memory clear                        W1           pins 2 & 3
                                                              closed

     Monitor type select color                W3             Closed

      Monitor type select monochrome           W3              Open

                            DRAM CONFIGURATION

     Size         Bank 0          Bank 1         Bank 2         Bank 3

     1MB         (1) 256K x        NONE           NONE           NONE
                    36

     2MB         (1) 256K x     (1) 256K x        NONE           NONE
                    36              36

     4MB        (1) 1M x 36        NONE           NONE           NONE

     6MB         (1) 256K x     (1) 256K x     (1) 1M x 36       NONE
                    36              36

     8MB        (1) 1M x 36    (1) 1M x 36        NONE           NONE

     10MB        (1) 256K x     (1) 256K x     (1) 1M x 36   (1) 1M x 36
                    36              36

     12MB       (1) 1M x 36    (1) 1M x 36     (1) 1M x 36       NONE

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

     16MB       (1) 4M x 36        NONE           NONE           NONE

     18MB        (1) 256K x     (1) 256K x     (1) 4M x 36       NONE
                    36              36

     20MB       (1) 1M x 36    (1) 4M x 36        NONE           NONE

     24MB       (1) 1M x 36    (1) 1M x 36     (1) 4M x 36       NONE

     32MB       (1) 4M x 36    (1) 4M x 36        NONE           NONE

     36MB       (1) 1M x 36    (1) 4M x 36     (1) 4M x 36       NONE

     40MB       (1) 1M x 36    (1) 1M x 36     (1) 4M x 36   (1) 4M x 36

     48MB       (1) 4M x 36    (1) 4M x 36     (1) 4M x 36       NONE

     64MB       (1) 4M x 36    (1) 4M x 36     (1) 4M x 36   (1) 4M x 36

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8

     128KB      (4) 32K x 8        NONE       (1) 8K x 8

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8

                CACHE JUMPER CONFIGURATION

   Size       W7       W9        W10       W17      W18

   64KB     2 & 3     1 & 2     2 & 3     1 & 2    1 & 2

  128KB     1 & 2     2 & 3     1 & 2     2 & 3    1 & 2

  256KB     2 & 3     2 & 3     2 & 3     2 & 3    2 & 3

  Note: Pins designated should be in closed position.

          CPU TYPE CONFIGURATION

        Type                 W12

       80486SX        pins 2 & 3 closed

       80487SX        pins 1 & 2 closed

       80486DX        pins 2 & 3 closed

      80486DX2        pins 2 & 3 closed

      Overdrive       pins 1 & 2 closed

