
MICRONICS COMPUTERS, INC.

80486-EISA

Processor         80486DX
Processor Speed   25/33MHz
Chip Set          Micronics
Max. Onboard DRAM 64MB
Cache             64/128/256KB
BIOS              Phoenix
Dimensions        350mm x 304mm
I/O Options       None
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  Auxiliary keyboard           J2       Reset switch               W5

  External battery             J3       Turbo switch               W6

  Speaker                      J15      Turbo LED                  W7

  Power LED & keylock          J16

                        USER CONFIGURABLE SETTINGS

              Function                   Jumper/Switch        Position

     Factory configured - do not            SW1/1               On
      alter

     BIOS select onboard                    SW1/2              Off

      BIOS select external                   SW1/2               On

     CPU speed select 33MHz                 SW1/4              Off

      CPU speed select 25MHz                 SW1/4               On

     Factory configured - do not            SW1/5              Off
      alter

     Factory configured - do not            SW1/6              Off
      alter

     Monitor type select color              SW1/7               On

      Monitor type select                    SW1/7              Off
      monochrome

     Factory configured - do not            SW2/5              Off
      alter

     Video BIOS cacheing enabled            SW2/6              Off

      Video BIOS cacheing disabled           SW2/6               On

     Address range 13MB to 15MB             SW2/7              Off
      cacheable

      Address range 13MB to 15MB             SW2/7               On
      non-cacheable

     Factory configured - do not            SW2/8              Off
      alter

     Factory configured - do not             W1                Off
      alter

     Slot 8 standard select EISA            W100            pins 1 & 2
                                                               closed

      Slot 8 standard select ISA             W100            pins 2 & 3
                                                               closed

                         DRAM CONFIGURATION

     Size        Bank 0        Bank 1        Bank 2        Bank 3

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

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

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

     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

   4MB        On       On        On        On       On

   8MB       Off       On        On        On       On

   12MB       On       Off       On        On       On

   16MB      Off       Off       On        On       Off

   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         SW1/3         SW1/8           W3               W4

     64KB          Off           Off         pins 1 & 2      pins 1 & 2
                                              closed           closed

    128KB           On           On          pins 1 & 2      pins 2 & 3
                                              closed           closed

    256KB           On           Off         pins 2 & 3      pins 2 & 3
                                              closed           closed

