
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

