
VEXTREC COMPUTER, INC.

GMB-P6BIAK (VER. 3.00)

Device Type          Mainboard
Processor            Pentium II
Processor Speed      233/266/300/333/350/400/450MHz
Chip Set             Intel 440BX
Maximum Onboard      768MB (EDO & SDRAM supported)
Memory
BIOS                 Award
Cache                256/512KB (located on the Pentium II CPU)
Dimensions           305mm x 217mm
I/O Options          32-bit PCI slots (4), floppy drive interface, IDE
                     interface, parallel port, PS/2 mouse port, serial
                     ports (2), USB connectors (2), IR connector

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  CPU fan power             FAN1       IDE interface 2           JP11

  System fan power          FAN2       IDE interface 1           JP12

  ATX power connector        ATX       IDE interface LED         JP13

  IR connector               JP1       Power on/off switch       JP14
                                       connector

  Serial port 1              JP3       Power LED                 JP15

  Serial port 2              JP4       Reset switch              JP16

  PS/2 mouse port            JP5       Speaker                   JP17

  USB connector 1           JP6A       Wake on LAN               JP18
                                       connector

  USB connector 2           JP6B       SB link connector         JP20

  Parallel port              JP7       32-bit PCI slots        PC1 - PC4

  Floppy drive              JP10
  interface

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     Flash BIOS voltage select 5v             J2           Pins 1 & 2
                                                              closed

      Flash BIOS voltage select 12v            J2           Pins 2 & 3
                                                              closed

     CMOS memory normal operation             J6           Pins 1 & 2
                                                              closed

      CMOS memory clear                        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        None           None
                                    64

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

     120MB       (1) 8MB x 64    (1) 4MB x      (1) 2MB x    (1) 1MB x 64
                                    64             64

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

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

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

     128MB       (1) 8MB x 64    (1) 4MB x      (1) 4MB x        None
                                    64             64

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

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

                        DRAM CONFIGURATION (CONT.)

     Size          Bank 0        Bank 1         Bank 2         Bank 3

    240MB        (1) 16MB x    (1) 8MB x 64   (1) 4MB x 64  (1) 2MB x 64
                     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

    256MB        (1) 32MB x       None           None           None
                     64

    256MB        (1) 16MB x    (1) 8MB x 64   (1) 8MB x 64      None
                     64

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

    384MB        (1) 32MB x     (1) 16MB x       None           None
                     64            64

    448MB        (1) 32MB x     (1) 16MB x    (1) 8MB x 64  (1) 4MB x 64
                     64            64

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

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

    512MB        (1) 32MB x     (1) 16MB x     (1) 16MB x       None
                     64            64             64

    768MB        (1) 32MB x     (1) 32MB x     (1) 32MB x       None
                     64            64             64

                            CPU SPEED SELECTION

    CPU       Clock    Multiplier    JP4/pins 1   JP4/pins 3   JP4/pins 5
   Speed     Speed                      & 2          & 4          & 6

  233MHz     66MHz        3.5x         Open         Open         Closed

  266MHz     66MHz         4x         Closed       Closed         Open

  300MHz     66MHv        4.5x         Open        Closed         Open

  333MHz     66MHz         5x         Closed        Open          Open

  350MHz     66MHz        3.5x         Open         Open         Closed

  400MHz     66MHz        4.0x        Closed       Closed         Open

  450MHz     66MHz        4.5x         Open        Closed         Open


