BIOSTAR MICROTECH INTERNATIONAL CORPORATION

MB-8575/90/00URC

Processor         Pentium
Processor Speed   75/90/100/120/133MHz
Chip Set          Unidentified
Max. Onboard DRAM 128MB
Cache             256/512/1024KB
BIOS              Award
Dimensions        254mm x 218mm
I/O Options       Green PC connector, IDE interfaces (2)
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  IDE interface 2          CN2         Turbo switch          JP15 pins 14
                                                                - 16

  IDE interface 1          CN1         +5v ground            JP15 pins 17
                                                                - 18

  Speaker              JP15 pins 1 -   Green PC connector       JP16
                            4

  Power LED &          JP15 pins 5 -   IDE interface LED        JP18
  keylock                   9

  Turbo LED            JP15 pins 10    Chassis fan power        JP19
                           - 11

  Reset switch         JP15 pins 12    32-bit PCI slots       PC1 - PC3
                           - 13

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

  »   CMOS memory normal operation            JP3              Open

      CMOS memory clear                       JP3             Closed

  »   BIOS type select 5v flash BIOS         JP17           pins 1 & 2
                                                              closed

      BIOS type select 12v flash BIOS        JP17           pins 2 & 3
                                                              closed

      BIOS type select EPROM                 JP17              Open

             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

      1MB        (4) 128K x 8    (4) 128K x 8    (1) 32K x 8

  CACHE JUMPER CONFIGURATION

   Size      JP11      JP12

  256KB      Open      Open

  512KB     Closed     Open

   1MB      Closed    Closed

                          CPU SPEED CONFIGURATION

      Speed                 JP9                JP13            JP14

      75MHz          pins 1 & 2 closed         Open            Open

      90MHz          pins 3 & 4 closed         Open            Open

      100MHz         pins 1 & 2, 5 & 6         Open            Open
                          closed

      120MHz         pins 3 & 4 closed         Open           Closed

      133MHz        pins 1 & 2, 3 & 4 ,5       Open           Closed
                        & 6 closed

  Note: JP13 is located on revision 2 and above.

        CPU VOLTAGE CONFIGURATION

       Voltage               JP20

        3.5v          pins 1 & 2 closed

        3.45v         pins 2 & 3 closed