
GIGA-BYTE TECHNOLOGY CO., LTD.

GA-686BLX

Device Type            Mainboard
Processor              Pentium II
Processor Speed        200/233/266/300/333/366MHz
Chip Set               Intel
Video Chip Set         None
Maximum Onboard Memory 1GB (EDO & SDRAM supported)
Maximum Video Memory   None
Cache                  256/512KB (located on Pentium II CPU)
BIOS                   Award
Dimensions             305mm x 244mm
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), IR connector, USB
                       connector, ATX power connector, AGP slot
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  AGP slot                  AGP        USB connector              CN3

  ATX power connector       ATX        CPU fan power              J2

  IR connector               C1        PS/2 mouse                 J4
                                       interface

  Power LED & keylock        C2        Floppy drive               J5
                                       interface

  Speaker                    C3        Serial port 2              J6

  Turbo LED                  C4        Serial port 1              J7

  Turbo switch               C5        Parallel port              J8

  Reset switch               C6        Wake on LAN                J9
                                       connector

  Green PC connector         C7        System after AC            J10
                                       back connector

  IDE interface LED          C8        PCI audio connector        J16

  Soft off power             C9        ACPI LED                   J17
  supply

  IDE interface 2           CN1        32-bit PCI slots       PC1 - -PC4

  IDE interface 1           CN2

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           HR1          Unidentified
      alter

      Keyboard power on enabled             JP6             Closed

      Keyboard power on disabled            JP6              Open

                           DIMM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     8MB        (1) 1M x 64       None           None          None

     16MB       (1) 2M x 64       None           None          None

     16MB       (1) 1M x 64   (1) 1M x 64        None          None

     24MB       (1) 2M x 64   (1) 1M x 64        None          None

     24MB       (1) 1M x 64   (1) 1M x 64    (1) 1M x 64       None

     32MB       (1) 4M x 64       None           None          None

     32MB       (1) 2M x 64   (1) 2M x 64        None          None

     32MB       (1) 1M x 64   (1) 1M x 64    (1) 1M x 64    (1) 1M x 64

     40MB       (1) 4M x 64   (1) 1M x 64        None          None

     48MB       (1) 4M x 64   (1) 2M x 64        None          None

     48MB       (1) 2M x 64   (1) 2M x 64    (1) 2M x 64       None

     64MB       (1) 2M x 64   (1) 2M x 64    (1) 2M x 64    (1) 2M x 64

     64MB       (1) 8M x 64       None           None          None

     64MB       (1) 4M x 64   (1) 4M x 64        None          None

                      DIMM/SIMM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     72MB        (1) 8M x 64   (1) 1M x 64        None           None

     80MB        (1) 8M x 64   (1) 2M x 64        None           None

     96MB        (1) 8M x 64   (1) 4M x 64        None           None

     96MB        (1) 4M x 64   (1) 4M x 64    (1) 4M x 64        None

     128MB       (1) 16M x 64      None           None           None

     128MB       (1) 8M x 64   (1) 8M x 64        None           None

     128MB       (1) 4M x 64   (1) 4M x 64    (1) 4M x 64    (1) 4M x 64

     136MB       (1) 16M x 64  (1) 1M x 64        None           None

     144MB       (1) 16M x 64  (1) 2M x 64        None           None

     152MB       (1) 16M x 64  (1) 1M x 64    (1) 1M x 64    (1) 1M x 64

     160MB       (1) 16M x 64  (1) 4M x 64        None           None

     176MB       (1) 16M x 64  (1) 2M x 64    (1) 2M x 64    (1) 2M x 64

     192MB       (1) 16M x 64  (1) 8M x 64        None           None

     192MB       (1) 8M x 64   (1) 8M x 64    (1) 8M x 64        None

     224MB       (1) 16M x 64  (1) 4M x 64    (1) 4M x 64    (1) 4M x 64

     256MB       (1) 32M x 64      None           None           None

     256MB       (1) 16M x 64  (1) 16M x 64       None           None

     256MB       (1) 8M x 64   (1) 8M x 64    (1) 8M x 64    (1) 8M x 64

     272MB       (1) 16M x 64  (1) 16M x 64   (1) 1M x 64    (1) 1M x 64

     280MB       (1) 32M x 64  (1) 1M x 64    (1) 1M x 64    (1) 1M x 64

     288MB       (1) 16M x 64  (1) 16M x 64   (1) 2M x 64    (1) 2M x 64

     304MB       (1) 32M x 64  (1) 2M x 64    (1) 2M x 64    (1) 2M x 64

     320MB       (1) 16M x 64  (1) 16M x 64   (1) 4M x 64    (1) 4M x 64

     320MB       (1) 16M x 64  (1) 8M x 64    (1) 8M x 64    (1) 8M x 64

     352MB       (1) 32M x 64  (1) 4M x 64    (1) 4M x 64    (1) 4M x 64

     384MB       (1) 16M x 64  (1) 16M x 64   (1) 16M x 64       None

     448MB       (1) 32M x 64  (1) 8M x 64    (1) 8M x 64    (1) 8M x 64

     512MB       (1) 32M x 64  (1) 32M x 64       None           None

     512MB       (1) 16M x 64  (1) 16M x 64   (1) 16M x 64   (1) 16M x 64

     640MB       (1) 32M x 64  (1) 16M x 64   (1) 16M x 64   (1) 16M x 64

     768MB       (1) 32M x 64  (1) 32M x 64   (1) 32M x 64       None

    1024MB       (1) 32M x 64  (1) 32M x 64   (1) 32M x 64   (1) 32M x 64

            Note: Maximum EDO memory is 1GB. Maximum SDRAM is 512MB.

                     CACHE CONFIGURATION

  Note: 256KB/512KB cache is located on the Pentium II CPU.

                            CPU SPEED SELECTION

    CPU       Clock    Multiplier     SW1/1    SW1/2     SW1/3     SW1/4
   speed     speed

  200MHz     66MHz         3x          Off       On       Off       Off

  233MHz     66MHz        3.5x         On        On       Off       Off

  266MHz     66MHz         4x          Off      Off       On        Off

  300MHz     66MHz        4.5x         On       Off       On        Off

  333MHz     66MHz         5x          Off       On       On        Off

  366MHz     66MHz        5.5x         On        On       On        Off

