
VEXTREC TECHNOLOGY, INC.

GMB-P6BIAK (VER. 1.00)

Device Type            Mainboard
Processor              Pentium II
Processor Speed        233/266/275/333/400/450MHz
Chip Set               Intel 440BX
Maximum Onboard Memory 512MB (EDO & SDRAM supported)
Cache                  256/512KB (located on Pentium II CPU)
BIOS                   Award/AMI
Dimensions             305mm x 217mm
I/O Options            32-bit PCI slots (4), floppy drive interface, green
                       PC connector, IDE interface, parallel port, PS/2
                       mouse port, serial ports (2),

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  AGP slot                   AGP       Floppy drive               JP12
                                       interface

  Serial port 2              CN1       Intel PC/PCI header        JP13

  Parallel port              CN2       IDE interface 1            JP14

  Serial port 1              CN3       IDE interface 2            JP15

  USB connector 1            CN4       Wake on LAN connector      JP16

  USB connector 2            CN5       IDE interface LED          JP17

  PS/2 mouse port            CN6       Speaker                    JP18

  Chassis fan power          FAN1      Power switch               JP19

  Chassis fan power          FAN3      Reset switch               JP20

  CPU fan power              FAN2      Power LED                  JP21

  ATX power connector        JP1       32-bit PCI slots         PC1 - PC4

  IR connector               JP10

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation             J4           Pins 1 & 2
                                                              closed

      CMOS memory clear                        J4           Pins 2 & 3
                                                              closed

     Flash BIOS voltage select 5v             J6           Pins 1 & 2
                                                              closed

      Flash BIOS voltage select 12v            J6           Pins 2 & 3
                                                              closed

                            DRAM CONFIGURATION

     Size          Bank 0         Bank 1         Bank 2         Bank 3

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

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

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

     23MB        (1) 1MB x 64  (1) 1MB x 64   (1) 1MB x 64       None

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

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

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

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

     40MB        (1) 2MB x 64  (1) 2MB x 64   (1) 1MB x 64       None

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

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

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

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

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

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

     80MB        (1) 4MB x 64  (1) 4MB x 64   (1) 2MB x 64       None

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

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

     112MB       (1) 4MB x 64  (1) 4MB x 64   (1) 4MB x 64   (1) 2MB x 64

                        DRAM CONFIGURATION (CONT.)

     Size          Bank 0        Bank 1         Bank 2         Bank 3

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

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

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

    160MB       (1) 8MB x 64   (1) 8MB x 64   (1) 4MB x 64      None

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

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

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

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

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

    320MB        (1) 16MB x     (1) 16MB x    (1) 8MB x 64      None
                     64            64

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

    448MB        (1) 16MB x     (1) 16MB x     (1) 16MB x   (1) 8MB x 64
                     64            64             64

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

                            CPU SPEED SELECTION

   Speed      Clock    Multiplier    JP3/pins 1   JP3/pins 3   JP3/pins 5
             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

  350MHz     100MHz       3.5x          Open         Open        Closed

  400MHz     100MHz        4x          Closed       Closed        Open

  450MHz     100MHz       4.5x          Open        Closed        Open

