MICRONICS COMPUTERS, INC.

BABY GEMINI-486

Processor         80486DX
Processor Speed   50MHz
Chip Set          Micronics
Max. Onboard DRAM 32MB
Cache             64/128/256KB
BIOS              Phoenix
Dimensions        331mm x 218mm
I/O Options       32-bit external memory card slot
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                 Location

  External battery            J11       Turbo LED                  W5

  Speaker                     J23       Reset switch               W6

  Power LED & keylock         J24       Turbo switch               W7

  32-bit external memory       S1
  card

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

  »   Factory configured - do not           SW1/1                On
      alter

  »   Factory configured - do not           SW1/2               Off
      alter

  »   Factory configured - do not           SW1/3               Off
      alter

  »   Factory configured - do not           SW1/4                On
      alter

  »   Factory configured - do not           SW1/5               Off
      alter

  »   Factory configured - do not           SW1/6               Off
      alter

  »   Factory configured - do not           SW1/7               Off
      alter

  »   Factory configured - do not           SW1/8               Off
      alter

  »   Factory configured - do not           SW2/6                On
      alter

  »   Factory configured - do not            W11             pins 2 & 3
      alter                                                    closed

  »   Factory configured - do not            W12               Closed
      alter

  »   Factory configured - do not            W13             pins 2 & 3
      alter                                                    closed

  »   Factory configured - do not            W14             pins 2 & 3
      alter                                                    closed

  »   Cache interleave select 64KB           W15             pins 2 & 3
                                                               closed

      Cache interleave select                W15             pins 1 & 2
      256KB                                                    closed

  Note:Cache can not be interleaved at 128KB. When using 128KB cache, W15
  setting is irrelevant.

                            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

     3MB        (4) 256K x 9   (4) 256K x 9   (4) 256K x 9      NONE

     4MB        (4) 256K x 9   (4) 256K x 9   (4) 256K x 9  (4) 256K x 9

     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

     7MB        (4) 256K x 9   (4) 256K x 9   (4) 256K x 9   (4) 1M x 9

     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

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

     20MB       (4) 1M x 9     (4) 4M x 9        NONE           NONE

     24MB       (4) 1M x 9     (4) 1M x 9     (4) 4M x 9        NONE

     28MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9     (4) 4M x 9

     32MB       (4) 4M x 9     (4) 4M x 9        NONE           NONE

     36MB       (4) 1M x 9     (4) 4M x 9     (4) 4M x 9        NONE

     40MB       (4) 1M x 9     (4) 1M x 9     (4) 4M x 9     (4) 4M x 9

     48MB       (4) 4M x 9     (4) 4M x 9     (4) 4M x 9        NONE

     52MB       (4) 1M x 9     (4) 4M x 9     (4) 4M x 9     (4) 4M x 9

     64MB       (4) 4M x 9     (4) 4M x 9     (4) 4M x 9     (4) 4M x 9

                DRAM SWITCH CONFIGURATION

   Size     SW2/1     SW2/2     SW2/3     SW2/4    SW2/5

   1MB        On       On        On        On       On

   2MB       Off       On        On        On       On

   3MB        On       Off       On        On       On

   4MB       Off       Off       On        On       On

   4MB        On       On        Off       On       On

   5MB        On       On        Off       Off      On

   6MB        On       Off       On        Off      On

   7MB       Off       On        On        Off      On

   8MB       Off       On        Off       On       On

   9MB        On       Off       Off       Off      On

   10MB      Off       Off       On        Off      On

   12MB       On       Off       Off       On       On

   13MB      Off       Off       Off       Off      On

   16MB      Off       Off       Off       On       On

   16MB       On       On        Off       On       Off

   20MB       On       On        Off       Off      Off

   24MB       On       Off       On        Off      Off

   28MB      Off       On        On        Off      Off

   32MB      Off       On        Off       On       Off

   36MB       On       Off       Off       Off      Off

   40MB      Off       Off       On        Off      Off

   48MB       On       Off       Off       On       Off

   52MB      Off       Off       Off       Off      Off

   64MB      Off       Off       Off       On       Off

            CACHE CONFIGURATION

     Size          Bank 0        Bank 1

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

     128KB       (4) 32K x 8      NONE

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

        CACHE JUMPER/SWITCH CONFIGURATION

   Size     SW2/7     SW2/8      W3        W4

   64KB      Off       Off      Open      Open

  128KB      On        On       Open     Closed

  256KB      Off       On      Closed    Closed