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R386DX33 MBC

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

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Power LED & keylock         J1       Speaker                     J4

  Turbo switch                J2       Reset switch                J5

  Turbo LED                   J3       External battery            J6

                        USER CONFIGURABLE SETTINGS

                 Function                      Jumper         Position

     Tag ram not installed in U3                W2             Open

      Tag ram installed in U3                    W2            Closed

     Monitor type select CGA                   W11            Closed

      Monitor type select                       W11             Open
      monochrome/EGA/VGA

     Battery type select internal              W13            Closed

      Battery type select external              W13             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

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

                        CACHE CONFIGURATION

      Size            Bank 0           Bank 1       TAG (U4 & U5)

      32KB          (4) 8K x 8          NONE         (2) 16K x 4

      64KB          (4) 8K x 8       (4) 8K x 8      (2) 16K x 4

      128KB        (4) 32K x 8          NONE         (2) 16K x 4

      256KB        (4) 32K x 8      (4) 32K x 8      (2) 16K x 4

                        OPTIONAL TAG CONFIGURATION

        CPU speed                   (U3)                    (U6)

          33MHz                 (1) 16K x 4             (1) 16K x 4

          40MHz                 (1) 16K x 6             (1) 16K x 6

            Note: U3 is used only when more than 16M of memory is
            installed. U6 is optional and when installed, supports
            write-back cache.

                 CACHE JUMPER CONFIGURATION

   Size       W3        W4         W5        W6        W7

   32KB      1 & 2     1 & 2     1 & 2     2 & 3      N/A

   64KB      2 & 3     1 & 2     1 & 2     1 & 2      N/A

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

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

  Note: Pins designated should be in the closed position.

                  MATH COPROCESSOR CONFIGURATION (80387)

       CPU Type             W1           W8           W9          W10

      Not installed       Open          N/A          N/A         Open

        Synchronous       Closed      pins 1 & 2     Open        Closed
           mode                        closed

        Asynchronous      Closed      pins 2 & 3    Closed       Closed
           mode                        closed

  Note: For 3167 installation, use default settings and configure in
  advanced BIOS setup.

