GIGA-BYTE TECHNOLOGY CO., LTD.

GA-6EMM (REV. 1.0)

Device Type            Mainboard
Processor              Pentium II
Processor Speed        200/233/266/300/333/366MHz
Chip Set               Intel 440BX
Video Chip Set         Unidentified
Maximum Onboard Memory 256MB (EDO & SDRAM supported)
Maximum Video Memory   Unidentified
Cache                  256/512KB (located on Pentium II CPU)
BIOS                   Award
Dimensions             243mm x 200mm
I/O Options            32-bit PCI slots (2), 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, line in, line out, microphone in,
                       audio in – CD-ROMs (2), wake on LAN connector

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  ATX power                ATX         IDE interface 2          CN13
  connector

  CPU fan power             C1         IDE interface 1          CN14

  Game/MIDI port           CN1         Floppy drive             CN15
                                       interface

  Microphone in            CN2         Green PC LED         JP5/pins 1 &
                                                                 12

  Line in                  CN3         Reset switch        JP5/pins 3 & 4

  Line out                 CN4         Speaker             JP5/pins 5 - 8

  VGA port                 CN5         IDE interface LED    JP5/pins 9 &
                                                                 20

  Audio in – CD-ROM        CN6         Green PC connector   JP5/pins 11 &
                                                                 22

  Parallel port            CN7         Soft off power       JP5/pins 15 &
                                       supply                    16

  Serial port 1            CN8         Power LED            JP5/pins 17 -
                                                                 19

  USB connector 1          CN9         Audio in – CD-ROM        JP6

  USB connector 2          CN10        Wake on LAN              JP7
                                       connector

  PS/2 mouse port          CN11        32-bit PCI slots      PC1 – PC2

  Serial port 2            CN12

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      ATX power control select soft           J9               Open
      off

      ATX power control select soft           J9              Closed
      off/full on

      On board sound disabled                 J10           Pins 1 & 2
                                                              closed

      On board sound enabled                  J10           Pins 2 & 3
                                                              closed

      Keyboard power on enabled               JP1           Pins 1 & 2
                                                              closed

      Keyboard power on disabled              JP1           Pins 2 & 3
                                                              closed

             DIMM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (1) 1M x 64      None

     16MB        (1) 2M x 64      None

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

     24MB        (1) 2M x 64   (1) 1M x 64

     32MB        (1) 4M x 64      None

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

     40MB        (1) 4M x 64   (1) 1M x 64

     48MB        (1) 4M x 64   (1) 2M x 64

              DIMM CONFIGURATION (CON’T)

       Size            Bank 0            Bank 1

       64MB          (1) 8M x 64          None

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

       72MB          (1) 8M x 64       (1) 1M x 64

       80MB          (1) 8M x 64       (1) 2M x 64

       96MB          (1) 8M x 64       (1) 4M x 64

      128MB         (1) 16M x 64          None

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

      136MB         (1) 16M x 64       (1) 1M x 64

      144MB         (1) 16M x 64       (1) 2M x 64

      160MB         (1) 16M x 64       (1) 4M x 64

      192MB         (1) 16M x 64       (1) 8M x 64

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

            Note: Board accepts EDO & SDRAM memory.

                     CACHE CONFIGURATION

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

                     VIDEO MEMORY CONFIGURATION

  Note: Video memory is factory installed and is not configurable.

                            CPU SPEED SELECTION

  CPU speed    Clock speed    Multiplier      JP2        JP3       JP4

    200MHz        66MHz           3x         1 & 2      1 & 2     1 & 2

    233MHz        66MHz          3.5x        1 & 2      1 & 2     1 & 2

    266MHz        66MHz           4x         1 & 2      1 & 2     1 & 2

    300MHz        66MHz          4.5x        1 & 2      1 & 2     1 & 2

    333MHz        66MHz           5x         1 & 2      1 & 2     1 & 2

    366MHz        66MHz          5.5x        1 & 2      1 & 2     1 & 2

  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

  200MHz     66MHz         3x          On       Off       On        On

  233MHz     66MHz        3.5x         Off      Off       On        On

  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