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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.