
GIGA-BYTE TECHNOLOGY CO., LTD.

GA-6LX7A (VER. 1.0)

Device Type                Mainboard
Processor                  Celeron
Processor Speed            366/400/433MHz
Chip Set                   Intel 440LX
Maximum Onboard Memory     768MB (EDO & SDRAM supported)
Cache                      128KB (located on the Celeron 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), 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, wake
                           on modem connector

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  AGP slot                 AGP         IR connector             IR1

  ATX power                ATX         Power fan power           J2
  connector

  CPU fan power             C1         Wake on modem             J4
                                       connector

  Chassis fan power         C2         SB-link connector        J14

  Game/MIDI port           CN1         Audio in - CD-ROM        J12

  Microphone in            CN2         Audio in - CD-ROM        J13

  Line in                  CN3         Case open                JP1
                                       connector

  Line out                 CN4         Green PC LED         JP5/pins 1 &
                                                                 12

  Serial port 1            CN5         Reset switch        JP5/pins 3 & 4

  Serial port 2            CN6         Speaker             JP5/pins 5 - 8

  Parallel port            CN7         IDE interface LED    JP5/pins 9 &
                                                                 20

  USB connector 1          CN8         Green PC connector   JP5/pins 11 &
                                                                 22

  USB connector 2          CN9         Soft off power       JP5/pins 15 &
                                       supply                    16

  PS/2 mouse port          CN10        Power LED            JP5/pins 17 -
                                                                 19

  IDE interface 2          CN11        Wake on LAN              JP7
                                       connector

  IDE interface 1          CN12        Modem connector          JP10

  Floppy drive             CN13        32-bit PCI slots      PC1 - PC4
  interface

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation             J5           Pins 2 & 3
                                                              closed

      CMOS memory clear                        J5           Pins 1 & 2
                                                              closed

     Keyboard power on disabled              JP6           Pins 2 & 3
                                                              closed

      Keyboard power on enabled               JP6           Pins 1 & 2
                                                              closed

     On board sound enabled                  JP9           Pins 1 & 2
                                                              closed

      On board sound disabled                 JP9           Pins 2 & 3
                                                              closed

                    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

     24MB       (1) 1M x 64    (1) 1M x 64    (1) 1M x 64

     32MB       (1) 4M x 64        None          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

                        DIMM CONFIGURATION (CON'T)

       Size              Bank 0            Bank 1             Bank 2

       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

       72MB           (1) 4M x 64        (1) 4M x 64       (1) 1M x 64

       80MB           (1) 8M x 64        (1) 1M x 64       (1) 1M x 64

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

       80MB           (1) 4M x 64        (1) 4M x 64       (1) 2M x 64

       88MB           (1) 8M x 64        (1) 2M x 64       (1) 1M x 64

       96MB           (1) 8M x 64        (1) 2M x 64       (1) 2M x 64

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

       128MB          (1) 16M x 64          None               None

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

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

       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

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

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

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

       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

       272MB          (1) 32M x 64       (1) 2M x 64           None

       288MB          (1) 32M x 64       (1) 2M x 64       (1) 2M 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) 32M x 64       (1) 8M x 64       (1) 8M x 64

       384MB          (1) 32M x 64      (1) 16M 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. Maximum SDRAM is 384MB. Maximum
  EDO is 768MB.

                CACHE CONFIGURATION

  Note: 128KB cache is located on the Celeron CPU.

                            CPU SPEED SELECTION

  CPU speed    Clock speed    Multiplier      JP2        JP3       JP4

    366MHz        66MHz          5.5x        2 & 3      2 & 3     2 & 3

    400MHz        66MHz           6x         2 & 3      2 & 3     2 & 3

    433MHz        66MHz          6.5x        2 & 3      2 & 3     2 & 3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (CON'T)

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

  366MHz     66MHz        5.5x         Off      Off       Off       On

  400MHz     66MHz         6x          On        On       On        Off

  433MHz     66MHz        6.5x         Off       On       On        Off

