BIOSTAR MICROTECH INTERNATIONAL CORPORATION

MB-1325/1333ACA-S

Processor         80386SX/CX486SLC
Processor Speed   25/33MHz
Chip Set          Unidentified
Max. Onboard DRAM 16MB
Cache             None
BIOS              AMI
Dimensions        220mm x 220mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose               Location       Purpose               Location

  Speaker             CN1 (pins 1 -    Turbo switch        CN1 (pins 14 -
                           4)                                   16)

  Power LED &         CN1 (pins 5 -    +5v ground          CN1 (pins 17 -
  keylock                  9)                                   18)

  Turbo LED           CN1 (pins 10 -   External battery         JP6
                           11)

  Reset switch        CN1 (pins 12 -
                           13)

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   CMOS memory normal operation             JP1           pins 1 & 2
                                                              closed

      CMOS memory clear                        JP1           pins 2 & 3
                                                              closed

  »   Parity check enabled                     JP2             Open

      Parity check disabled                    JP2            Closed

  »   Chip type select 146818                  JP4             Open

      Chip type select Dallas                  JP4            Closed

  »   Monitor type select monochrome           JP5           pins 1 & 2
                                                              closed

      Monitor type select color                JP5           pins 2 & 3
                                                              closed

  »   Clock mode select synchronous            JP7           pins 1 & 2
                                                              closed

      Clock mode select asynchronous           JP7           pins 2 & 3
                                                              closed

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

     512KB        (2) 256K x 9       NONE

      1MB         (2) 256K x 9   (2) 256K x 9

      2MB         (2) 1M x 9         NONE

      4MB         (2) 1M x 9      (2) 1M x 9

      8MB         (2) 4M x 9         NONE

      16MB        (2) 4M x 9      (2) 4M x 9

                   CPU SPEED CONFIGURATION

        Speed                JP3                  JP8

        25MHz          pins 2 & 3 closed   pins 1 & 2 closed

        33MHz          pins 2 & 3 closed   pins 2 & 3 closed