MICROMATION TECHNOLOGY, INC.

486-WBH

Processor         80486SX/80487SX/80486DX
Processor Speed   20/25/33/50MHz
Chip Set          OPTI
Max. Onboard DRAM 32MB
SRAM Cache        64/128/256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery             J1       Turbo LED                 JP11

  Speaker                     J17       Reset switch               SW1

  Power LED & keylock         J18       Turbo switch               SW2

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   CMOS memory normal operation             JP1           pins 2 & 3
                                                              closed

      CMOS memory clear                        JP1           pins 1 & 2
                                                              closed

  »   Monitor type select color                JP2            closed

      Monitor type select monochrome           JP2             open

  »   CPU speed select OSCi/1                 JP12           pins 2 & 3
                                                              closed

      CPU speed select OSCi/2                 JP12           pins 1 & 2
                                                              closed

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 256K x 9    (4) 1M x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      32MB        (4) 4M x 9      (4) 4M x 9

                           SRAM 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) 32K x 8

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

  Note:This configuration is unverified. Location of Cache is unknown.

                         SRAM JUMPER CONFIGURATION

     Size       Jumper JP3      Jumper JP4    Jumper JP6      Jumper JP7

     64KB        pins 2 & 3        open          open            open
                  closed

    128KB        pins 1 & 2       closed        closed           open
                  closed

    256KB        pins 2 & 3       closed        closed          closed
                  closed

                          CPU TYPE CONFIGURATION

     CPU Type          Jumper JP8        Jumper JP9        Jumper JP10

      80486DX          pins 1 & 2          closed           pins 2 & 3
                         closed                              closed

      80487SX          pins 1 & 2          closed           pins 1 & 2
                         closed                              closed

      80486SX          pins 2 & 3           open              open
                         closed