MICRO EXPRESS, INC.

80386-33/40

Processor         80386DX
Processor Speed   33/40MHz
Chip Set          FOREX
Max. Onboard DRAM 32MB
Cache             64/128/256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387/3167

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery            JP4       Turbo switch              JP12

  Reset switch                JP10      Speaker                   JP13

  Power LED & keylock         JP11      Turbo LED                 JP14

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Factory configured - do not             EM11             Open
      alter

  »   Factory configured - do not             EM12             Open
      alter

  »   Battery type select external            JP3              Open
      6.0VDC

      Battery type select external            JP3             Closed
      3.6VDC

  »   CMOS memory normal operation            JP5              Open

      CMOS memory clear                       JP5             Closed

  »   Monitor type select color               JP8              Open

      Monitor type select monochrome          JP8             Closed

  »   Factory configured - do not             JP9              Open
      alter

  »   Factory configured - do not            JP101             Open
      alter

              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

      20MB        (4) 1M x 9      (4) 4M x 9

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

                           CACHE CONFIGURATION

     Size          Bank 0         Bank 1       TAG (U38)      TAG (U39)

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8        NONE

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

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

                        CACHE JUMPER CONFIGURATION

      Size               JP6               JP61               JP62

      64KB            pins 2 & 3        pins 1 & 2      pins 1 & 2 closed
                       closed             closed

      128KB           pins 1 & 2        pins 1 & 2      pins 1 & 2 closed
                       closed             closed

      256KB           pins 1 & 2        pins 2 & 3      pins 2 & 3 closed
                       closed             closed