VEXTREC COMPUTER, INC.

GMB-P6EIMG (VER. 1.00)

Device Type              Mainboard
Processor                Pentium II
Processor Speed          233/266/300/333MHz
Chip Set                 Intel 440EX
Maximum Onboard Memory   512MB (EDO & SDRAM supported)
Cache                    256/512KB (located on the Pentium II chip)
BIOS                     Award
Dimensions               244mm x 210mm
I/O Options              32-bit PCI slots (2), floppy drive interface,
                         game/MIDI port, 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)

[Image]

                                CONNECTIONS

  Purpose                  Location   Purpose                   Location

  AGP slot                   AGP      Reset switch                 J3

  ATX power connector        ATX      Power LED & keylock          J5

  Microphone in              CN1      IDE interface LED            J6

  Line in                    CN2      IR connector                 J7

  Line out                   CN3      IDE interface 1              J9

  Game/MIDI port             CN4      IDE interface 2             J10

  Serial port 1              CN5      Audio in – CD-ROM           J11
                                      (Sony)

  Serial port 2              CN6      Audio in – CD-ROM           J15
                                      (Mits/Pan)

  Parallel port              CN7      CPU fan power               J16

  USB connector 1           CN8A      Floppy drive interface      J19

  USB connector 2           CN8B      Wake on LAN                 JP5

  PS/2 mouse port            CN9      32-bit PCI slots         PC1 - PC2

  Speaker                    J1       CPU slot                    SL1

  Soft off power supply      J2

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

  »   CMOS memory normal operation             J4           Pins 2 & 3
                                                              closed

      CMOS memory clear                        J4           Pins 1 & 2
                                                              closed

  »   Power on after power failure            J24             Closed
      enabled

      Power on after power failure            J24              Open
      disabled

                        DIMM CONFIGURATION

         Size                 Bank 0                Bank 1

         8MB                 1M x 64                 None

         16MB                2M x 64                 None

         16MB                1M x 64                1M x 64

         24MB                2M x 64                1M x 64

         32MB                4M x 64                 None

         32MB                2M x 64                2M x 64

         40MB                4M x 64                1M x 64

         48MB                4M x 64                2M x 64

         64MB                8M x 64                 None

         64MB                4M x 64                4M x 64

         72MB                8M x 64                1M x 64

         80MB                8M x 64                2M x 64

         96MB                8M x 64                4M x 64

        128MB                8M x 64                8M x 64

        128MB                16M x 64                None

        136MB                16M x 64               1M x 64

        144MB                16M x 64               2M x 64

        160MB                16M x 64               4M x 64

        192MB                16M x 64               8M x 64

        256MB                16M x 64              16M x 64

        256MB                32M x 64                None

        264MB                32M x 64               1M x 64

        272MB                32M x 64               2M x 64

        288MB                32M x 64               4M x 64

        320MB                32M x 64               8M x 64

        384MB                32M x 64              16M x 64

        512MB                32M x 64              32M x 64

            Note: Board accepts 256MB SDRAM or 512MB EDO memory.

                            CPU SPEED SELECTION

    CPU       Clock    Multiplier    JP2/pins 1   JP2/pins 3   JP2/pins 5
   speed     speed                      & 2          & 4          & 6

  233MHz     66MHz        3.5x         Open         Open         Closed

  266MHz     66MHz         4x         Closed       Closed         Open

  300MHz     66MHz        4.5x         Open        Closed         Open

  333MHz     66MHz         5x         Closed        Open          Open