BIOSTAR MICROTECH INTERNATIONAL CORPORATION

MB-8575/90/00 VER. 3

Processor         Pentium
Processor Speed   75/90/100/120/133/150/166/180MHz
Chip Set          Unidentified
Max. Onboard DRAM 128MB
Cache             256/512KB
BIOS              Award
Dimensions        254mm x 218mm
I/O Options       Parallel port, serial ports (2), game port, 32-bit PCI
                  slots (3), floppy drive interface, IDE interfaces (2),
                  green PC connector
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  Serial port 1             J3         Turbo switch          J8 pins 14 -
                                                                 16

  Serial port 2             J4         +5v ground            J8 pins 17 -
                                                                 18

  Game port                 J5         IDE interface 2           J9

  Parallel port             J6         IDE interface 1           J10

  Floppy drive              J7         Green PC connector       JP11
  interface

  Speaker               J8 pins 1 -    IDE interface LED        JP17
                             4

  Power LED &           J8 pins 5 -    Chassis fan power        JP19
  keylock                    9

  Turbo LED             J8 pins 10 -   32-bit PCI slots       PC1 - PC3
                            11

  Reset switch          J8 pins 12 -
                            13

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   CMOS memory normal operation            JP4              Open

      CMOS memory clear                       JP4             Closed

  »   BIOS type select 5v flash BIOS          JP5           pins 1 & 2
                                                              closed

      BIOS type select 12v flash BIOS         JP5           pins 2 & 3
                                                              closed

      BIOS type select EPROM                  JP5              Open

  »   Secondary IDE IRQ select IRQ15          JP8           pins 1 & 2
                                                              closed

      Secondary IDE IRQ through PCI           JP8           pins 2 & 3
                                                              closed

  »   Primary IDE IRQ14 enabled               JP9             Closed

      Primary IDE IRQ14 disabled              JP9              Open

  »   ISA clock speed select PCI              JP21          pins 1 & 2
      clock/3                                                 closed

      SA clock speed select PCI               JP21          pins 2 & 3
      clock/4                                                 closed

  »   Factory configured - do not             JP22          pins 2 & 3
      alter                                                   closed

             DRAM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (2) 1M x 36      NONE

     16MB        (2) 2M x 36      NONE

     16MB        (2) 1M x 36   (2) 1M x 36

     24MB        (2) 1M x 36   (2) 2M x 36

     32MB        (2) 4M x 36      NONE

     32MB        (2) 2M x 36   (2) 2M x 36

     40MB        (2) 1M x 36   (2) 4M x 36

     48MB        (2) 2M x 36   (2) 4M x 36

     64MB        (2) 8M x 36      NONE

     64MB        (2) 4M x 36   (2) 4M x 36

     72MB        (2) 1M x 36   (2) 8M x 36

     80MB        (2) 2M x 36   (2) 8M x 36

     96MB        (2) 4M x 36   (2) 8M x 36

     128MB       (2) 8M x 36   (2) 8M x 36

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 8K x 8

     512KB      (4) 64K x 8    (4) 64K x 8    (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

      Size              JP10               JP12               JP13

       0KB            pins 2 & 3        pins 1 & 2      pins 1 & 2 closed
                       closed             closed

      256KB           pins 2 & 3        pins 1 & 2      pins 2 & 3 closed
                       closed             closed

      512KB           pins 1 & 2        pins 2 & 3      pins 1 & 2 closed
                       closed             closed

                 CPU TYPE CONFIGURATION

            Type                       JP20

            P54C             pins 1 & 2, 3 & 4 closed

           P54CQS            pins 1 & 2, 3 & 4 closed

           P54CS             pins 1 & 2, 3 & 4 closed

           P54CT             pins 1 & 2, 3 & 4 closed

            P55C                       Open

           P55CT                       Open

             CPU SPEED CONFIGURATION

  Speed      JP6       JP7       JP15      JP16

  75MHz      Open      Open      Open      Open

  90MHz      Open     Closed     Open      Open

  100MHz    Closed    Closed     Open      Open

  120MHz     Open     Closed     Open     Closed

  133MHz    Closed    Closed     Open     Closed

  150MHz     Open     Closed    Closed    Closed

  166MHz    Closed    Closed    Closed    Closed

  180MHz     Open     Closed    Closed     Open

        CPU VOLTAGE CONFIGURATION

       Voltage               JP27

        3.4v          pins 1 & 2 closed

        3.5v          pins 2 & 3 closed

                      DMA CONFIGURATION

         DMA                 JP1                  JP2

        DMA 1          pins 1 & 3 closed   pins 1 & 3 closed

        DMA 2          pins 2 & 4 closed   pins 2 & 4 closed