
MICRONICS COMPUTERS, INC.

80486 ASIC EISA

Processor         80486DX/80486DX2
Processor Speed   25/33/50(internal)MHz
Chip Set          Micronics
Max. Onboard DRAM 64MB
Cache             64/256KB
BIOS              Phoenix
Dimensions        355mm x 302mm
I/O Options       32-bit external memory card slot
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  External keyboard           J1       Speaker                     J22

  Parallel port               J4       Power LED & keylock         J23

  Serial port COM1            J5       Reset switch                W5

  Serial port COM2            J15      Turbo switch                W6

  Floppy drive interface      J17      Turbo LED                   W7

  External battery            J18      Local bus expansion         S1
                                       slot

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

     Factory configured - do not             W8             pins 1 & 2
      alter                                                    closed

     Factory configured - do not            W10             pins 2 & 3
      alter                                                    closed

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

     Factory configured - do not            W12             pins 1 & 2
      alter                                                    closed

     Floppy drive interface                 W13             pins 1 & 2
      enabled                                                  closed

      Floppy drive interface                 W13             pins 2 & 3
      disabled                                                 closed

     CPU type select 80486DX-33             W43                Open

      CPU type select 80486DX2-50            W43             pins 1 & 2
                                                               closed

     Factory configured - do not            W45             pins 1 & 2
      alter                                                    closed

     Factory configured - do not           SW1/6                On
      alter

     Factory configured - do not           SW1/7               Off
      alter

     Monitor type select color             SW1/8                On

      Monitor type select                   SW1/8               Off
      monochrome

                            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) 1 M 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

                     DRAM CONFIGURATION (CONT)

    Size         Bank 0       Bank 1        Bank 2        Bank 3

    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        SW1/1       SW1/2        SW1/3        SW1/4        SW1/5

    1MB         On           On           On          On           On

    2MB         Off          On           On          On           On

    3MB         On          Off           On          On           On

   4MB 1        Off         Off           On          On           On

   4MB 2        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 1        Off         Off          Off          On           On

  16MB 3        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

  Note 1 :Use this setting when banks are populated with (4) 256K x 9
  SIMMs

  Note 2 :Use this setting when banks are populated with (4) 1M x 9 SIMMs

  Note 3 :Use this setting when banks are populated with (4) 4M x 9 SIMMs

     CACHE CONFIGURATION

     Size          Bank 0

     64KB        (8) 8K x 8

     256KB      (8) 32K x 8

                        CACHE JUMPER CONFIGURATION

    Size           W20            W21            W41             W44

    64KB        pins 2 & 3        Open           Open           Open
                 closed

    256KB       pins 1 & 2     pins 1 & 2     pins 1 & 2      pins 1 & 2
                 closed          closed         closed         closed

                 PARALLEL PORT CONFIGURATION

        Size                  W3                   W4

        LPT1           pins 1 & 2 closed   pins 2 & 3 closed

        LPT2           pins 1 & 2 closed   pins 1 & 2 closed

        LPT3           pins 2 & 3 closed   pins 1 & 2 closed

      Disabled         pins 2 & 3 closed   pins 2 & 3 closed

                       SERIAL COM PORT CONFIGURATION

             Size                        W2                   W9

    COM1 (J5) and COM2 (J15)     pins 1 & 2 closed     pins 1 & 2 closed
            enabled

   COM1 (J5) enabled and COM2    pins 1 & 2 closed     pins 2 & 3 closed
        (J15) disabled

  COM1 (J5) disabled and COM2    pins 2 & 3 closed     pins 1 & 2 closed
         (J15) enabled

    COM1 (J5) and COM2 (J15)     pins 2 & 3 closed     pins 2 & 3 closed
           disabled

