
BIOSTAR MICROTECH INTERNATIONAL CORPORATION

MB-1333C-CH/1340C-CH (B)

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

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            JP2      Power LED & keylock         J19

  Turbo LED                   D4       Turbo switch                J50

  Speaker                     J18      Reset switch                J51

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not alter        J21             Open

     Fast gate A20 enabled                    J22            Closed

      Fast gate A20 disabled                   J22             Open

     Monitor type select color                J23            Closed

      Monitor type select monochrome           J23             Open

     CMOS memory normal operation             J42           pins 2 & 3
                                                              closed

      CMOS memory clear                        J42           pins 1 & 2
                                                              closed

              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) 1 M x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      17MB        (4) 4M x 9     (4) 256K x 9

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

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

        DRAM JUMPER CONFIGURATION

        Size                 J48

         1MB          pins 2 & 3 closed

         2MB          pins 2 & 3 closed

         4MB          pins 2 & 3 closed

         5MB          pins 1 & 2 closed

         8MB          pins 2 & 3 closed

        16MB          pins 2 & 3 closed

        17MB          pins 1 & 2 closed

        20MB          pins 1 & 2 closed

        32MB          pins 2 & 3 closed

                          CACHE CONFIGURATION

       Size            Bank 0              TAG          TAG location

       64KB          (8) 16K x 4       (2) 16K x 4       U14 & U15

      256KB          (8) 64K x 4       (3) 64K x 4     U8 & U14 & U15

                        CACHE JUMPER CONFIGURATION

  Size      J25        J26       J27       J28       J29      J33    J34

  64KB     Closed    Closed    Closed    Closed    Closed     1 &    1 &
                                                               2      2

  256KB     Open      Open      Open      Open      Open      2 &    2 &
                                                               3      3

  Note:Pins designated should be in the closed position.

                         POWER GOOD CONFIGURATION

         Setting                   J31                      J32

    Signal detect from      pins 2 & 3 closed        pins 2 & 3 closed
      power supply

    Signal detect from      pins 1 & 2 closed        pins 1 & 2 closed
          board

