DATAEXPERT CORPORATION

OPTI-386WB

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

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Power LED & keylock         J1       Turbo switch                J4

  Speaker                     J2       Reset switch                J5

  Turbo LED                   J3       External battery           JP10

                        USER CONFIGURABLE SETTINGS

                 Function                     Jumper         Position

  »   NPU mode select synchronous with         JP7             Open
      CPU

      NPU mode select asynchronous with        JP7            Closed
      CPU

  »   Bus speed select ATCLK/6                 JP8             Open

      Bus speed select ATCLK/8                 JP8            Closed

  »   Monitor type select color                JP9            Closed

      Monitor type select monochrome           JP9             Open

              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

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

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

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     32KB        (4) 8K x 8        NONE       (3) 4K x 4

     64KB        (4) 8K x 8     (4) 8K x 8    (3) 4K x 4

     128KB      (4) 32K x 8        NONE       (3) 16K x 4

     256KB      (4) 32K x 8    (4) 32K x 8    (3) 16K x 4

                     CACHE JUMPER CONFIGURATION

   Size      JP1      JP2       JP3       JP4      JP5       JP6

   32KB     2 & 3    2 & 3     1 & 2     1 & 2    1 & 2      Open

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

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

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

  Note:Pins designated should be in the closed position.