
BIOSTAR MICROTECH INTERNATIONAL CORPORATION

MB-1325VT/MB-1333VT

Processor         80386DX
Processor Speed   25/33MHz
Chip Set          VLSI
Max. Onboard DRAM 32MB
Cache             None
BIOS              AMI
Dimensions        330mm x 219mm
I/O Options       None
NPU Options       80387/3167

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Power LED & keylock         J1       Reset switch                J4

  Speaker                     J2       Turbo switch                J5

  Turbo LED                   J3       External battery            J6

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select color                JP1            Closed

      Monitor type select monochrome           JP1             Open

     NPU type select 80387                    JP8           pins 1 & 2
                                                              closed

      NPU type select 3167                     JP8           pins 2 & 3
                                                              closed

     CMOS memory normal operation             JP9           pins 1 & 2
                                                              closed

      CMOS memory clear                        JP9           pins 3 & 4
                                                              closed

     Pipeline mode enabled                   JP14            Closed

      Pipeline mode disabled                  JP14             Open

  Note:The locations of JP8 & JP9 are unidentified.

              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

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

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

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

                     KEYBOARD CONTROLLER CONFIGURATION

      Setting           JP3           JP4           JP5           JP6

   controller set      Closed         Open         Open          Open
     on pin 23

   controller set       Open         Closed        Open          Open
     on pin 24

   controller set       Open          Open        Closed         Open
     on pin 27

   controller set       Open          Open         Open         Closed
     on pin 32

