
BIOSTAR MICROTECH INTERNATIONAL CORPORATION

MB-6500SAC

Processor           CX M1/AM K5/Pentium
Processor Speed     75/90/100/120/133/150/166/180MHz
Chip Set            SIS
Maximum Onboard     128MB
Memory
Cache               256/512/1024KB
BIOS                Award
Dimensions          280mm x 220mm
I/O Options         32-bit PCI slots (4), floppy drive interface, green PC
                    connector, IDE interfaces (2), parallel port, PS/2
                    mouse port, serial ports (2), feature connector, audio
                    connector
NPU Options         None

[Image]

                                CONNECTIONS

        Function            Label           Function            Label

  PS/2 mouse port            J6        External battery          J18

  VGA IDC connector          J7        Audio connector           J20
  (optional)

  VGA D type connector       J8        Chassis fan power         JP12
  (optional)

  Serial port 1              J9        Speaker                JP14 pins 1
  (optional)                                                     - 4

  Feature connector          J10       Power LED & keylock    JP14 pins 5
                                                                 - 9

  Serial port 2              J11       Turbo LED             JP14 pins 10
                                                                 & 11

  Floppy drive               J12       Reset switch          JP14 pins 12
  interface                                                      & 13

  Serial port 1              J13       Green PC connector    JP14 pins 17
                                                                 & 18

  Parallel port              J14       IDE interface LED     JP14 pins 20
                                                                 & 21

  IDE interface 1            J15       VCC ground            JP14 pins 25
                                       connector                 & 26

  IDE interface 2            J16       32-bit PCI slots       PC1 - PC4

  Note: J6, J7, J8 and J9 are optional. Only one will be installed where
  J6 is shown.

                        USER CONFIGURABLE SETTINGS

                Setting                   Label            Position

      Jumper information unavailable        J2           Unidentified

     CMOS memory normal operation         J18               Open

      CMOS memory clear                    J18        Pins 3 & 4 closed

      Battery type select external         J18              Closed

      Jumper information unavailable       J19           Unidentified

      Serial port 2 set as serial          JP1         Pins 1 & 2, 4 & 5
      port                                                  closed

      Serial port 2 set as IR              JP1         Pins 2 & 3, 5 & 6
      connector                                             closed

     Factory configured - do not          JP2           Unidentified
      alter

     Battery type select internal         JP9              Closed

      Battery type select external         JP9               Open

      Flash BIOS voltage select 12v        JP10       Pins 1 & 2 closed

      Flash BIOS voltage select 5v         JP10       Pins 2 & 3 closed

      Flash BIOS EPROM or 0v flash         JP10              Open

                           DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     4MB        (1) 1M x 36       None           None          None

     8MB        (1) 2M x 36       None           None          None

     8MB        (1) 1M x 36   (1) 1M x 36        None          None

     12MB       (1) 2M x 36   (1) 1M x 36        None          None

     12MB       (1) 1M x 36   (1) 2M x 36        None          None

     16MB       (1) 4M x 36       None           None          None

     16MB       (1) 2M x 36   (1) 2M x 36        None          None

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

     20MB       (1) 4M x 36   (1) 1M x 36        None          None

     20MB       (1) 2M x 36   (1) 1M x 36    (1) 1M x 36    (1) 1M x 36

                       DRAM CONFIGURATION (CONT)

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     20MB       (1) 1M x 36   (1) 4M x 36        None          None

     24MB       (1) 4M x 36   (1) 2M x 36        None          None

     24MB       (1) 2M x 36   (1) 4M x 36        None          None

     28MB       (1) 4M x 36   (1) 1M x 36    (1) 1M x 36    (1) 1M x 36

     28MB       (1) 1M x 36   (1) 2M x 36    (1) 2M x 36    (1) 2M x 36

     32MB       (1) 8M x 36       None           None          None

     32MB       (1) 4M x 36   (1) 4M x 36        None          None

     32MB       (1) 2M x 36   (1) 2M x 36    (1) 2M x 36    (1) 2M x 36

     36MB       (1) 8M x 36   (1) 1M x 36        None          None

     36MB       (1) 1M x 36   (1) 8M x 36        None          None

     40MB       (1) 8M x 36   (1) 2M x 36        None          None

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

     40MB       (1) 2M x 36   (1) 8M x 36        None          None

     44MB       (1) 8M x 36   (1) 1M x 36    (1) 1M x 36    (1) 1M x 36

     48MB       (1) 8M x 36   (1) 4M x 36        None          None

     48MB       (1) 4M x 36   (1) 8M x 36        None          None

    100MB       (1) 1M x 36   (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

    104MB       (1) 2M x 36   (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

    112MB       (1) 4M x 36   (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

    128MB       (1) 8M x 36   (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

  Note: Board accepts EDO memory.

                                CACHE SIZE

       Size              Bank 0            Bank 1              TAG

     256KB (A)            None          (2) 32K x 32           None

     256KB (B)         (8) 32K x 8          None            (1) 8K x 8

       512KB           (8) 64K x 8          None           (1) 32K x 8

        1MB           (8) 128K x 8          None           (1) 32K x 8

  Note: Board will either have asynchronous or synchronous cache
  installed.

                      CACHE JUMPER

            Size                        JP6

         256KB (B)                     Open

           512KB                 Pins 1 & 2 closed

            1MB              Pins 1 & 2, 3 & 4 closed

                        CPU TYPE

          Setting                      JP15

        P54C/CQS/CT          Pins 1 & 2, 3 & 4 closed

          P55C/CT                      Open

                        CPU TYPE

          Setting                      JP15

        P54C/CQS/CT          Pins 1 & 2, 3 & 4 closed

          P55C/CT                      Open

                                 CPU SPEED

      Setting             JP7               JP8               JP11

       75MHz              Open            Closed              Open

       90MHz             Closed            Open               Open

      100MHz              Open             Open               Open

      120MHz             Closed            Open         Pins 1 & 2 closed

      133MHz              Open             Open         Pins 1 & 2 closed

      150MHz             Closed            Open         Pins 1 & 2, 3 & 4
                                                             closed

      166MHz              Open             Open         Pins 1 & 2, 3 & 4
                                                             closed

      180MHz             Closed            Open         Pins 3 & 4 closed

               CPU VOLTAGE

       Setting               JP13

        3.4v          Pins 1 & 2 closed

        3.5v          Pins 2 & 3 closed

                  CD-ROM

       Setting               JP4

      Panasonic       Pins 1 - 4 closed

       Mitsumi        Pins 2 - 5 closed

        Sony          Pins 4 - 7 closed

         Oak          Pins 2 - 4 closed

