
GEMLIGHT COMPUTER, LTD.

GMB-P57IPA (VER. 1.20)

Device Type      Mainboard
Processor        CX 6X86/CX 6X86L/CX 6X86MX/AM K5/AM K6/Pentium/Pentium MMX
Processor Speed  90/100/110/120/130/133/150/166/200/233/266MHz
Chip Set         Intel 430TX
Video Chip Set   S3
Maximum Onboard  256MB (EDO & SDRAM supported)
Memory
Maximum Video    4MB VRAM
Memory
Cache            512KB
BIOS             Award
Dimensions       200mm x 248mm
I/O Options      32-bit EISA slot, floppy drive interface, green PC
                 connector, IDE interfaces (2), parallel port, PS/2 mouse
                 port, serial ports (2), VGA feature connector, VGA port,
                 wavetable connector, audio in - CD-ROM (2), audio
                 connectors (2)

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Reset switch                J1       USB connector 1             J16

  Green PC connector          J2       USB connector 2             J17

  Green PC LED                J3       VGA feature connector       J18

  Speaker                     J4       Video memory expansion      J19
                                       board connector

  IDE interface LED           J5       Video memory expansion      J20
                                       board connector

  Power LED & keylock         J6       VGA port                    J21

  IDE interface 1             J7       Parallel port               J22

  IDE interface 2             J8       Serial port 1               J23

  Floppy drive interface      J9       Serial port 2               J24

  Wavetable connector        J10       PS/2 mouse port             J25

  Audio in - CD-ROM          J13       CPU fan power               J27
  connector

  Audio in - CD-ROM          J14       ATX power connector         J29
  connector

  IR connector               J15       32-bit EISA slot            SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Audio enabled                           JP4             Closed

      Audio disabled                          JP4              Open

      VGA enabled                             JP1             Closed

      VGA disabled                            JP1              Open

     Factory configured - do not alter       JP6           Pins 2 & 3
                                                              closed

     CMOS memory normal operation            JP7           Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP7           Pins 2 & 3
                                                              closed

      Flash BIOS voltage select 5v            JP3           Pins 2 & 3
                                                              closed

      Flash BIOS voltage select 12v           JP3           Pins 1 & 2
                                                              closed

                   DRAM CONFIGURATION

       Size             Bank 0             Bank 1

       8MB           (2) 1MB x 36           None

       16MB          (2) 1MB x 36       (2) 1MB x 36

       16MB          (2) 2MB x 36           None

       24MB          (2) 2MB x 36       (2) 1MB x 36

       32MB          (2) 2MB x 36       (2) 2MB x 36

       32MB          (2) 4MB x 36           None

       40MB          (2) 4MB x 36       (2) 1MB x 36

       48MB          (2) 4MB x 36       (2) 2MB x 36

       64MB          (2) 4MB x 36       (2) 4MB x 36

       64MB          (2) 8MB x 36           None

       72MB          (2) 8MB x 36       (2) 1MB x 36

       80MB          (2) 8MB x 36       (2) 2MB x 36

       96MB          (2) 8MB x 36       (2) 4MB x 36

      128MB          (2) 8MB x 36       (2) 8MB x 36

      128MB          (2) 16MB x 36          None

      136MB          (2) 16MB x 36      (2) 1MB x 36

      144MB          (2) 16MB x 36      (2) 2MB x 36

      160MB          (2) 16MB x 36      (2) 4MB x 36

      192MB          (2) 16MB x 36      (2) 8MB x 36

      256MB          (2) 16MB x 36     (2) 16MB x 36

            Note: Board supports Page and EDO memory.

            POWER SUPPLY SELECTION

  Power supply        JP8            JP9

    AT power        Closed           Open

   ATX power         Open           Closed

                         CPU SPEED SELECTION (INTEL)

  Speed    Clock   Multiplier   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8
           speed

  90MHz    60MHz      1.5x       Off     Off     Off     On     Off     Off

  100MHz   66MHz      1.5x       Off     Off     Off    Off      On     Off

  120MHz   60MHz       2x        On      Off     Off     On     Off     Off

  133MHz   66MHz       2x        On      Off     Off    Off      On     Off

  166MHz   66MHz      2.5x       On      On      Off    Off      On     Off

  200MHz   66MHz       3x        Off     On      Off    Off      On     Off

                       CPU SPEED SELECTION (INTEL MMX)

  Speed    Clock   Multiplier   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8
           speed

  166MHz   66MHz      2.5x       On      On      Off    Off      On     Off

  200MHz   66MHz       3x        Off     On      Off    Off      On     Off

  233MHz   66MHz      3.5x       Off     Off     Off    Off      On     Off

                        CPU SPEED SELECTION (CX 6X86)

  Speed    Clock   Multiplier   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8
           speed

  150MHz   60MHz       2x        On      Off     Off     On     Off     Off

  166MHz   66MHz       2x        On      Off     Off    Off      On     Off

  200MHz   75MHz       2x        On      Off     Off    Off     Off      On

                        CPU SPEED SELECTION (CX 6X86L)

  Speed    Clock   Multiplier   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8
           speed

  150MHz   60MHz       2x        On      Off     Off     On     Off     Off

  166MHz   66MHz       2x        On      Off     Off    Off      On     Off

  200MHz   75MHz       2x        On      Off     Off    Off     Off      On

                       CPU SPEED SELECTION (CX 6X86MX)

  Speed    Clock   Multiplier   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8
           speed

  166MHz   60MHz      2.5x       On      On      Off     On     Off     Off

  200MHz   75MHz       2x        On      Off     Off    Off     Off      On

                         CPU SPEED SELECTION (AM K5)

  Speed    Clock   Multiplier   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8
           speed

  120MHz   60MHz       2x        On      Off     Off     On     Off     Off

  133MHz   66MHz       2x        On      Off     Off    Off      On     Off

  166MHz   66MHz      2.5x       On      On      Off    Off      On     Off

                         CPU SPEED SELECTION (AM K6)

  Speed    Clock   Multiplier   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8
           speed

  166MHz   66MHz      2.5x       On      On      Off    Off      On     Off

  200MHz   66MHz       3x        Off     On      Off    Off      On     Off

  233MHz   66MHz      3.5x       Off     Off     Off    Off      On     Off

  266MHz   66MHz       4x        On      Off     On     Off      On     Off

           CPU VOLTAGE SELECTION

  Voltage    SW1/1      SW1/2       JP5

   Auto       Off        Off       Open

   2.8V       Off        Off      Closed

   2.9V        On        Off      Closed

   3.2V       Off        Off       Open

   3.3V       Off         On       Open

   3.5V        On         On      Closed

                     VIDEO MEMORY CONFIGURATION

         Size                  Bank 0                 J19/J20

          2MB                    2MB                   None

          4MB                    2MB            2MB expansion board

