MICRO EXPRESS, INC.

FOREX 386/486

Processor         80386DX/CX486DLC/80486SX/80487SX/80486DX/80486DX2
Processor Speed   20/25/33/40/50(internal)/66(internal)MHz
Chip Set          Forex
Max. Onboard DRAM 32MB
Cache             64/128/256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery            JP2       Turbo switch              JP15

  Reset switch                JP8       Turbo LED                 JP16

  Power LED & keylock         JP14      Speaker                   JP17

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Parity check enabled                     JP5            Closed

      Parity check disabled                    JP5             Open

      Monitor type select color                JP6             Open

      Monitor type select monochrome           JP6            Closed

  »   Factory configured - do not alter       JP19              N/A

              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 (U26)      TAG (U42)

   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     JP8A     JP8B     JP8C     JP8D     JP8E    JP8F

  64KB     2 & 3   2 & 3    1 & 2    2 & 3    2 & 3    1 & 2

  128KB    1 & 2   2 & 3    1 & 2    1 & 2    1 & 2    1 & 2

  256KB    2 & 3   1 & 2    2 & 3    2 & 3    1 & 2    2 & 3

  Note:Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

              Type                                W1 & W2

             80386DX               2 & 3, 5 & 6, 8 & 9,11 & 12, 14 & 15,
                                           17 & 18, and 20 & 21

            80486DLC               1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14,
                                           16 & 17, and 19 & 20

             80486SX               1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14,
                                           16 & 17, and 19 & 20

             80487SX               1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14,
                                           16 & 17, and 19 & 20

             80486DX               1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14,
                                           16 & 17, and 19 & 20

            80486DX2               1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 & 14,
                                           16 & 17, and 19 & 20

  Notes:Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CON’T)

       Type               JP12              JP13               JP30

      80386DX             N/A                N/A               N/A

     80486DLC          pins 1 & 2         pins 1 & 2        pins 1 & 2
                         closed            closed             closed

      80486SX          pins 2 & 3         pins 2 & 3           N/A
                         closed            closed

      80487SX          pins 1 & 2         pins 1 & 2        pins 2 & 3
                         closed            closed             closed

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

     80486DX2          pins 1 & 2         pins 1 & 2        pins 1 & 2
                         closed            closed             closed