
VEXTREC TECHNOLOGY, INC.

GMB-P57IPS (VER. 3.03)

Device Type        Mainboard
Processor          CX 6X86/CX 6X86L/CX 6X86MX/AM K5/AM K6/Pentium/Pentium
                   MMX
Processor Speed    90/100/110/120/133/150/166/200/233MHz
Chip Set           Intel 430TX
Maximum Onboard    256MB (EDO & SDRAM supported)
Memory
Cache              256/512KB
BIOS               Award
Dimensions         260mm x 220mm
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

  IDE interface LED    J2/pins 1 & 2   IR connector         J12/pins 16 -
                                                                 20

  Turbo LED            J2/pins 3 & 4   Serial port 2            J13

  SMI switch           J2/pins 5 & 6   Serial port 1            J14

  Reset switch          J2/pins 9 &    Parallel port            J15
                            10

  Power LED &          J2/pins 11 -    Floppy drive             J16
  keylock                   15         interface

  Speaker              J2/pins 17 -    PS/2 mouse port          J19
                            20

  IDE interface 2          J10         At keyboard              J20
                                       connector

  IDE interface 1          J11         PS/2 keyboard            J21
                                       connector

  USB1 connector       J12/pins 1 -    AT power connector       J22
                            5

  PS/2 mouse           J12/pins 6 -    PCI slots             PC1 - PC4
  interface                 10

  USB2 connector       J12/pins 11 -
                            15

                        USER CONFIGURABLE SETTINGS

                Function                     Label          Position

      Flash BIOS voltage select 12v           JP4        Pins 2 & 3
                                                         closed

      Flash BIOS voltage select 5v            JP4        Pins 1 & 2
                                                         closed

                SIMM CONFIGURATION

      Size            Bank 0           Bank 1

       4MB         (2) 1MB x 32         None

       4MB             None         (2) 1MB x 32

       8MB         (2) 1MB x 32     (2) 1MB x 32

      16MB         (2) 4MB x 32         None

      16MB             None         (2) 4MB x 32

      20MB         (2) 4MB x 32     (2) 1MB x 32

      32MB         (2) 4MB x 32     (2) 4MB x 32

      32MB         (2) 4MB x 32         None

      32MB             None         (2) 4MB x 32

      36MB         (2) 4MB x 32     (2) 1MB x 32

      48MB         (2) 4MB x 32     (2) 4MB x 32

      48MB         (2) 4MB x 32     (2) 4MB x 32

      64MB         (2)16MB x 32         None

      64MB             None        (2) 16MB x 32

      64MB         (2) 4MB x 32     (2) 4MB x 32

      68MB        (2) 16MB x 32     (2) 1MB x 32

      80MB        (2) 16MB x 32     (2) 4MB x 32

      96MB        (2) 16MB x 32     (2) 4MB x 32

      128MB       (2) 16MB x 32    (2) 16MB x 32

      128MB       (2) 16MB x 32         None

      128MB            None        (2) 16MB x 32

      136MB       (2) 16MB x 32     (2) 1MB x 32

      144MB       (2) 16MB x 32     (2) 4MB x 32

      160MB       (2) 16MB x 32     (2) 4MB x 32

      192MB       (2) 16MB x 32    (2) 16MB x 32

      192MB       (2) 16MB x 32    (2) 16MB x 32

      256MB       (2) 16MB x 32    (2) 16MB x 32

                DIMM CONFIGURATION

      Size            Bank 2           Bank 3

      16MB         (1) 2MB x 64         None

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

      32MB         (1) 4MB x 64         None

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

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

      64MB         (2) 4MB x 64         None

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

      96MB         (1) 4MB x 64     (2) 4MB x 64

      96MB         (2) 4MB x 64     (1) 4MB x 64

      128MB        (1)16MB x 64         None

      128MB        (2) 4MB x 64     (2) 4MB x 64

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

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

      192MB       (1) 16MB x 64     (2) 4MB x 64

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

            CACHE CONFIGURATION

  Cache size       Bank 0          TAG

     256KB       (2) 32K x 8    8K/16K x 8

     512KB       (2) 64K x 8     16K x 8

                        CPU SPEED SELECTION (INTEL)

    CPU        Clock     Multiplier    JP9     JP10      JP12      JP13
   speed      speed

   90MHz      60MHz         1.5x      1 & 2    1 & 2    1 & 2      1 & 2

  100MHz      66MHz         1.5x      1 & 2    1 & 2     Open      1 & 2

  120MHz      60MHz          2x       2 & 3    1 & 2    1 & 2      1 & 2

  133MHz      66MHz          2x       2 & 3    1 & 2     Open      1 & 2

  150MHz      60MHz         2.5x      2 & 3    2 & 3    1 & 2      1 & 2

  166MHz      66MHz         2.5x      2 & 3    2 & 3     Open      1 & 2

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

  Note: Pins designated are in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

    CPU        Clock     Multiplier    JP9     JP10      JP12      JP13
   speed      speed

  166MHz      66MHz         2.5x      2 & 3    2 & 3     Open      1 & 2

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

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

  Note: Pins designated are in the closed position.

                       CPU SPEED SELECTION (CX 6X86)

    CPU        Clock     Multiplier    JP9     JP10      JP12      JP13
   speed      speed

  133MHz      55MHz          2x       2 & 3    1 & 2    1 & 2,     1 & 2
                                                        3 & 4

  150MHz      60MHz          2x       2 & 3    1 & 2    1 & 2      1 & 2

  166MHz      66MHz          2x       2 & 3    1 & 2     Open      1 & 2

  200MHz      75MHz          2x       2 & 3    1 & 2    3 & 4      1 & 2

  Note: Pins designated are in the closed position.

                     CPU SPEED SELECTION (CX 6X86 MX)

    CPU        Clock     Multiplier    JP9     JP10      JP12      JP13
   speed      speed

  166MHz      60MHz         2.5x      2 & 3    2 & 3    1 & 2      2 & 3

  200MHz      66MHz         2.5x      2 & 3    2 & 3     Open      2 & 3

  Note: Pins designated are in the closed position.

                        CPU SPEED SELECTION (AM K5)

    CPU        Clock     Multiplier    JP9     JP10      JP12      JP13
   speed      speed

   90MHz      60MHz         1.5x      1 & 2    1 & 2     Open      1 & 2

  100MHz      66MHz         1.5x      1 & 2    1 & 2     Open      1 & 2

  120MHz      60MHz          2x       1 & 2    1 & 2     Open      1 & 2

  133MHz      66MHz          2x       2 & 3    1 & 2     Open      1 & 2

  150MHz      60MHz         2.5x      1 & 2    1 & 2     Open      1 & 2

  166MHz      66MHz         2.5x      2 & 3    2 & 3     Open      1 & 2

  Note: Pins designated are in the closed position.

                        CPU SPEED SELECTION (AM K6)

    CPU        Clock     Multiplier    JP9     JP10      JP12      JP13
   speed      speed

  166MHz      66MHz         2.5x      2 & 3    2 & 3     Open      1 & 2

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

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

  266MHz      66MHz          4x       2 & 3    1 & 2     Open      2 & 3

  Note: Pins designated are in the closed position.

                      CPU VOLTAGE SELECTION (SINGLE)

   Voltage         JP1             JP5                    JP7

     3.3V         Closed         Closed           3 & 4, 5 & 6, 7 & 8

     3.5V         Closed         Closed        1 & 2, 3 & 4, 5 & 6, 7 & 8

  Note: Pins designated are in the closed position.

                       CPU VOLTAGE SELECTION (DUAL)

  V I/O     V Core        JP1              JP5               JP7

   3.3V     2.2V          Open            Open              3 & 4

   3.3V     2.8V          Open            Open              7 & 8

   3.3V     2.9V          Open            Open           1 & 2, 7 & 8

   3.3V     3.2V          Open            Open        1 & 2, 5 & 6, 7 & 8

  Note: Pins designated are in the closed position.

                    CPU VOLTAGE SELECTION (DUAL CONT.)

  V I/O    V Core    JP1/pins 1 &    JP1/pins 3     JP1/pins 5     JP5
                          2             & 4            & 6

  3.3V      2.2V         Open          Open           Open         Open

  3.3V      2.8V         Open          Open           Open         Open

  3.3V      2.9V         Open          Open           Open         Open

  3.3V      3.2V         Open          Open           Open         Open

