
GIGA-BYTE TECHNOLOGY CO., LTD.

GA-6BXM (VER. 1.0)

Device Type   Mainboard
Processor     Pentium II/Celeron
Processor     266/300/333/350/366/400/433/450/466/500/550/600/650MHz
Speed
Chip Set      Intel 440BX
Video Chip    ATI
Set
Maximum       768MB (EDO & SDRAM supported)
Onboard
Memory
Maximum Video 8MB
Memory
Audio Chip    ESS
Set
Cache         0/128/256/512KB (located on the CPU)
BIOS          Award
Dimensions    305mm x 190mm
I/O Options   32-bit PCI slots (4), floppy drive interface, game/MIDI port,
              green PC connector, IDE interfaces (2), parallel port, PS/2
              mouse port, serial ports (2), VGA port, IR connector, USB
              connectors (2), ATX power connector, AGP slot, line in, line
              out, microphone in, audio in - CD-ROMs (2), SB-link
              connector, wake on LAN connector

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  AGP slot                 AGP         IR connector             IR1

  ATX power                ATX         CPU fan power             J3
  connector

  Power fan power           C1         Chassis fan power         J9

  Game/MIDI port           CN1         Green PC LED         JP5/pins 1 &
                                                                 12

  Microphone in            CN2         Reset switch        JP5/pins 3 & 4

  Line in                  CN3         Speaker             JP5/pins 5 - 8

  Line out                 CN4         IDE interface LED    JP5/pins 9 &
                                                                 20

  Serial port 1            CN5         Green PC connector   JP5/pins 11 &
                                                                 22

  Audio in - CD-ROM        CN6         Soft off power       JP5/pins 15 &
                                       supply                    16

  Parallel port            CN7         Power LED            JP5/pins 17 -
                                                                 19

  USB connector 1          CN8         Audio in - CD-ROM        JP7

  USB connector 2          CN9         STR LED                  JP9

  PS/2 mouse port          CN10        Wake on LAN              JP10
                                       connector

  IDE interface 2          CN11        Case open                JP11
                                       connector

  IDE interface 1          CN12        Wake on modem            JP12
                                       connector

  Floppy drive             CN13        Modem connector          JP18
  interface

  VGA port                 CN14        SB-link connector        JP21

  Serial port 2            CN15        32-bit PCI slots      PC1 - PC4

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

      ATX power supply select soft          J12              Open
      off

      ATX power supply select full on       J12             Closed

     Keyboard power on disabled            JP1        Pins 2 & 3 closed

      Keyboard power on enabled             JP1        Pins 1 & 2 closed

      On board video enabled                JP3        Pins 1 & 2 closed

      On board video disabled               JP3        Pins 2 & 3 closed

     System acceleration select            JP4        Pins 2 & 3 closed
      100MHz

      System acceleration select            JP4        Pins 1 & 2 closed
      turbo

      VGA INT disabled                      JP6        Pins 1 & 2 closed

      VGA INT enabled                       JP6        Pins 2 & 3 closed

      On board sound enabled                JP8        Pins 1 & 2 closed

      On board sound disabled               JP8        Pins 2 & 3 closed

     CMOS memory normal operation          JP13       Pins 2 & 3 closed

      CMOS memory clear                     JP13       Pins 1 & 2 closed

      Suspend to RAM function enabled       JP14             Open

      Suspend to RAM function               JP14            Closed
      disabled

     Factory configured - do not           JP16         Unidentified
      alter

                      DIMM CONFIGURATION

      Size          Bank 0          Bank 1          Bank 2

      8MB         (1) 1M x 64        None            None

      16MB        (1) 2M x 64        None            None

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

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

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

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

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

      40MB        (1) 2M x 64     (1) 2M x 64    (1) 1M x 64

      48MB        (1) 4M x 64     (1) 1M x 64    (1) 1M x 64

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

      48MB        (1) 2M x 64     (1) 2M x 64    (1) 2M x 64

      56MB        (1) 4M x 64     (1) 2M x 64    (1) 1M x 64

      64MB        (1) 8M x 64        None            None

      64MB        (1) 4M x 64     (1) 2M x 64    (1) 2M x 64

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

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

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

     128MB        (1) 8M x 64     (1) 4M x 64    (1) 4M x 64

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

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

     136MB        (1) 8M x 64     (1) 8M x 64    (1) 1M x 64

     144MB       (1) 16M x 64     (1) 1M x 64    (1) 1M x 64

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

     144MB        (1) 8M x 64     (1) 8M x 64    (1) 2M x 64

     152MB       (1) 16M x 64     (1) 2M x 64    (1) 1M x 64

     160MB       (1) 16M x 64     (1) 2M x 64    (1) 2M x 64

     192MB       (1) 16M x 64     (1) 4M x 64    (1) 4M x 64

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

     208MB       (1) 16M x 64     (1) 8M x 64    (1) 2M x 64

     224MB       (1) 16M x 64     (1) 8M x 64    (1) 4M x 64

     256MB       (1) 32M x 64        None            None

     256MB       (1) 16M x 64     (1) 8M x 64    (1) 8M x 64

     264MB       (1) 32M x 64     (1) 1M x 64        None

     272MB       (1) 32M x 64     (1) 1M x 64    (1) 1M x 64

     288MB       (1) 32M x 64     (1) 4M x 64        None

     320MB       (1) 32M x 64     (1) 4M x 64    (1) 4M x 64

     320MB       (1) 32M x 64     (1) 8M x 64        None

     384MB       (1) 16M x 64    (1) 16M x 64    (1) 16M x 64

     512MB       (1) 32M x 64    (1) 16M x 64    (1) 16M x 64

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

     768MB       (1) 32M x 64    (1) 32M x 64    (1) 32M x 64

  Note: Board accepts EDO & SDRAM memory.

                            CACHE CONFIGURATION

  Note: 256KB/512KB cache is located on the Pentium II CPU. 128KB cache
  is located on the Celeron 300A & 333 CPU.

                VIDEO MEMORY CONFIGURATION

  Note: The location of the video memory is unidentified.

                       CPU SPEED SELECTION (CELERON)

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

  266MHz     66MHz         4x          On       Off       Off       On

  300MHz     66MHz        4.5x         On       Off       Off       On

  333MHz     66MHz         5x          On       Off       Off       On

  366MHz     66MHz        5.5x         On       Off       Off       On

  400MHz     66MHz         6x          On       Off       Off       On

  433MHz     66MHz        6.5x         On       Off       Off       On

                   CPU SPEED SELECTION (CELERON, CON'T)

    CPU       Clock    Multiplier     SW2/1    SW2/2     SW2/3     SW2/4
   speed     speed

  266MHz     66MHz         4x          On        On       Off       On

  300MHz     66MHz        4.5x         Off       On       Off       On

  333MHz     66MHz         5x          On       Off       Off       On

  366MHz     66MHz        5.5x         Off      Off       Off       On

  400MHz     66MHz         6x          On        On       On        Off

  433MHz     66MHz        6.5x         Off       On       On        Off

                     CPU SPEED SELECTION (PENTIUM II)

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

  266MHz     66MHz         4x          On       Off       Off       On

  300MHz     66MHz        4.5x         On       Off       Off       On

  333MHz     66MHz         5x          On       Off       Off       On

  366MHz     66MHz        5.5x         On       Off       Off       On

  400MHz     66MHz         6x          On       Off       Off       On

  433MHz     66MHz        6.5x         On       Off       Off       On

  350MHz     100MHz       3.5x         Off      Off       Off       Off

  400MHz     100MHz        4x          Off      Off       Off       Off

  450MHz     100MHz       4.5x         Off      Off       Off       Off

  500MHz     100MHz        5x          Off      Off       Off       Off

  550MHz     100MHz       5.5x         Off      Off       Off       Off

  600MHz     100MHz        6x          Off      Off       Off       Off

  650MHz     100MHz       6.5x         Off      Off       Off       Off

                  CPU SPEED SELECTION (PENTIUM II, CON'T)

    CPU       Clock    Multiplier     SW2/1    SW2/2     SW2/3     SW2/4
   speed     speed

  266MHz     66MHz         4x          On        On       Off       On

  300MHz     66MHz        4.5x         Off       On       Off       On

  333MHz     66MHz         5x          On       Off       Off       On

  366MHz     66MHz        5.5x         Off      Off       Off       On

  400MHz     66MHz         6x          On        On       On        Off

  433MHz     66MHz        6.5x         Off       On       On        Off

  350MHz     100MHz       3.5x         Off      Off       On        On

  400MHz     100MHz        4x          On        On       Off       On

  450MHz     100MHz       4.5x         Off       On       Off       On

  500MHz     100MHz        5x          On       Off       Off       On

  550MHz     100MHz       5.5x         Off      Off       Off       On

  600MHz     100MHz        6x          On        On       On        Off

  650MHz     100MHz       6.5x         Off       On       On        Off

              AGP SELECTION

       Setting               JP17

       Normal                Open

       Special        Pins 1 & 2 closed

       GA-612         Pins 2 & 3 closed

