
GEMLIGHT COMPUTER, LTD.

GMB-P57IAX (VER. 2.00)

Processor          CX 6X86L/CX 6X86MX/CX MII/AM K5/AM K6/AM K6-2/Pentium/
                   Pentium MMX/IDT C6
Processor Speed    90/100/120/133/150/166/200/233/266MHz
Chip Set           Intel 440TX
Video Chip Set     None
Maximum Onboard    256MB (EDO supported)
Memory
Maximum Video      None
Memory
Cache              256/512KB
BIOS               Award
Dimensions         304mm x 210mm
I/O Options        32-bit PCI slots (4), floppy drive interface, IDE
                   interfaces (2), parallel port, PS/2 mouse port, serial
                   ports (2), IR connector, USB connectors (2), ATX power
                   connector

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  ATX power                ATX         Power button         J1/pins 5 & 6
  connector

  Parallel port            CN1         Power LED &           J1/pins 11 -
                                       keylock                   15

  Serial port 2            CN2         Speaker               J1/pins 17 -
                                                                 20

  Serial port 1            CN3         IDE interface 1           J6

  USB connector 1          CN4         IDE interface 2           J7

  USB connector 2          CN5         Floppy drive              J9
                                       interface

  PS/2 mouse port          CN6         IR connector              JP4

  IDE interface LED    J1/pins 1 & 2   32-bit PCI slots       PCI  PC4

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

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

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

      Factory configured - do not alter      SW1/1             Off

      Factory configured - do not alter      SW1/2              On

      Ring in select COM1                     JP11          Pins 1 & 2
                                                              closed

      Ring in select COM2                     JP11          Pins 2 & 3
                                                              closed

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      8MB         (2) 1M x 32        None

      16MB        (2) 2M x 32        None

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

      24MB        (2) 2M x 32    (2) 1M x 32

      32MB        (2) 4M x 32        None

      32MB        (2) 2M x 32    (2) 2M x 32

      40MB        (2) 4M x 32    (2) 1M x 32

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

      64MB        (2) 8M x 32        None

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

      72MB        (2) 8M x 32    (2) 1M x 32

      80MB        (2) 8M x 32    (2) 2M x 32

      96MB        (2) 8M x 32    (2) 4M x 32

     128MB        (2) 8M x 32    (2) 8M x 32

     128MB        (2) 16M x 32       None

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

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

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

     192MB        (2) 16M x 32   (2) 8M x 32

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

  Note: Board accepts EDO memory.

             DIMM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (1) 1M x 64      None

     16MB        (1) 2M x 64      None

     16MB        (1) 1M x 64   (1) 1M x 64

     24MB        (1) 2M x 64   (1) 1M x 64

     32MB        (1) 4M x 64      None

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

     40MB        (1) 4M x 64   (1) 1M x 64

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

     64MB        (1) 8M x 64      None

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

     72MB        (1) 8M x 64   (1) 1M x 64

     80MB        (1) 8M x 64   (1) 2M x 64

     96MB        (1) 8M x 64   (1) 4M x 64

     128MB       (1) 8M x 64   (1) 8M x 64

              CACHE CONFIGURATION

      Size          Bank 0           TAG

     256KB        (2) 32K x 32   Unidentified

     512KB        (2) 64K x 32   Unidentified

                      CPU SPEED SELECTION (CX 6X86L)

  CPU speed     Clock     Multiplier      SW1/3       SW1/4       SW1/5
               speed

   150MHz      60MHz          2x           On          Off         Off

   166MHz      66MHz          2x           On          Off         Off

   200MHz      66MHz         2.5x          On          Off         Off

                   CPU SPEED SELECTION (CX 6X86L, CONT)

  CPU speed     Clock     Multiplier      SW1/6       SW1/7       SW1/8
               speed

   150MHz      60MHz          2x           On          Off         Off

   166MHz      66MHz          2x           Off         Off         Off

   200MHz      66MHz         2.5x          Off         On          Off

                      CPU SPEED SELECTION (CX 6X86MX)

  CPU speed     Clock     Multiplier      SW1/3       SW1/4       SW1/5
               speed

   166MHz      66MHz          2x           On          On          Off

   200MHz      75MHz          2x           On          Off         Off

   200MHz      66MHz         2.5x          On          On          Off

   233MHz          75MHz     2.5x          On          On          Off

   233MHz      66MHz          3x           Off         On          Off

                  CPU SPEED SELECTION (CX 6X86MX, CONT)

  CPU speed     Clock     Multiplier      SW1/6       SW1/7       SW1/8
               speed

   166MHz      66MHz          2x           On          Off         Off

   200MHz      75MHz          2x           Off         On          Off

   200MHz      66MHz         2.5x          Off         Off         Off

   233MHz      75MHz         2.5x          Off         On          Off

   233MHz      66MHz          3x           Off         Off         Off

                       CPU SPEED SELECTION (CX M II)

  CPU speed     Clock     Multiplier      SW1/3       SW1/4       SW1/5
               speed

   300MHz      75MHz          3x           Off         On          Off

   300MHz      66MHz         3.5x          Off         Off         Off

                   CPU SPEED SELECTION (CX M II, CONT)

  CPU speed     Clock     Multiplier      SW1/6       SW1/7       SW1/8
               speed

   300MHz      75MHz         2.5x          Off         On          Off

   300MHz      66MHz          3x           Off         Off         Off

                        CPU SPEED SELECTION (AM K5)

  CPU speed     Clock     Multiplier      SW1/3       SW1/4       SW1/5
               speed

   120MHz      60MHz         1.5x          On          Off         Off

   133MHz      66MHz          2x           On          Off         Off

   166MHz      66MHz         2.5x          On          On          Off

                    CPU SPEED SELECTION (AM K5, CONT)

  CPU speed     Clock     Multiplier      SW1/6       SW1/7       SW1/8
               speed

   120MHz      60MHz         1.5x          On          Off         Off

   133MHz      66MHz          2x           Off         Off         Off

   166MHz      66MHz         2.5x          Off         Off         Off

                        CPU SPEED SELECTION (AM K6)

  CPU speed     Clock     Multiplier      SW1/3       SW1/4       SW1/5
               speed

   166MHz      66MHz         2.5x          On          On          Off

   200MHz      66MHz          3x           Off         On          Off

   233MHz      66MHz         3.5x          Off         Off         Off

   266MHz      66MHz          4x           On          Off         On

   300MHz      66MHz         4.5x          On          On          On

                    CPU SPEED SELECTION (AM K6, CONT)

  CPU speed     Clock     Multiplier      SW1/6       SW1/7       SW1/8
               speed

   166MHz      66MHz         2.5x          Off         Off         Off

   200MHz      66MHz          3x           Off         Off         Off

   233MHz      66MHz         3.5x          Off         Off         Off

   266MHz      66MHz          4x           Off         Off         Off

   300MHz      66MHz         4.5x          Off         Off         Off

                       CPU SPEED SELECTION (AM K6-2)

  CPU speed     Clock     Multiplier      SW1/3       SW1/4       SW1/5
               speed

   266MHz      66MHz          4x           On          Off         On

                   CPU SPEED SELECTION (AM K6-2, CONT)

  CPU speed     Clock     Multiplier      SW1/6       SW1/7       SW1/8
               speed

   266MHz      66MHz          4x           Off         Off         Off

                        CPU SPEED SELECTION (INTEL)

  CPU speed     Clock     Multiplier      SW1/3       SW1/4       SW1/5
               speed

   90MHz       60MHz         1.5x          Off         Off         Off

   100MHz      66MHz         1.5x          Off         Off         Off

   120MHz      60MHz          2x           On          Off         Off

   133MHz      66MHz          2x           On          Off         Off

   150MHz      60MHz         2.5x          On          On          Off

   166MHz      66MHz         2.5x          On          On          Off

   200MHz      66MHz          3x           Off         On          Off

                    CPU SPEED SELECTION (INTEL, CONT)

  CPU speed     Clock     Multiplier      SW1/6       SW1/7       SW1/8
               speed

   90MHz       60MHz         1.5x          On          Off         Off

   100MHz      66MHz         1.5x          Off         Off         Off

   120MHz      60MHz          2x           On          Off         Off

   133MHz      66MHz          2x           Off         Off         Off

   150MHz      60MHz         2.5x          On          Off         Off

   166MHz      66MHz         2.5x          Off         Off         Off

   200MHz      66MHz          3x           Off         Off         Off

                      CPU SPEED SELECTION (INTEL MMX)

  CPU speed     Clock     Multiplier      SW1/3       SW1/4       SW1/5
               speed

   166MHz      66MHz         2.5x          On          On          Off

   200MHz      66MHz          3x           Off         On          Off

   233MHz      66MHz         3.5x          Off         Off         Off

                  CPU SPEED SELECTION (INTEL MMX, CONT)

  CPU speed     Clock     Multiplier      SW1/6       SW1/7       SW1/8
               speed

   166MHz      66MHz         2.5x          Off         Off         Off

   200MHz      66MHz          3x           Off         Off         Off

   233MHz      66MHz         3.5x          Off         Off         Off

                       CPU SPEED SELECTION (IDT C6)

  CPU speed     Clock     Multiplier      SW1/3       SW1/4       SW1/5
               speed

   180MHz      60MHz          3x           Off         On          Off

   200MHz      66MHz          3x           Off         On          Off

                    CPU SPEED SELECTION (IDT C6, CONT)

  CPU speed     Clock     Multiplier      SW1/6       SW1/7       SW1/8
               speed

   180MHz      60MHz          3x           On          Off         Off

   200MHz      66MHz          3x           Off         Off         Off

                      CPU VOLTAGE SELECTION (SINGLE)

   Voltage        JP9       JP10         JP12        JP13        JP14

     3.3v        1 & 2     1 & 2, 3     Closed       Open       Closed
                             & 4

     3.5v        1 & 2,    1 & 2, 3     Closed       Open       Closed
                 3 & 4       & 4

  Note: Pins designated should be in the closed position.

                       CPU VOLTAGE SELECTION (DUAL)

  Voltage     V core      JP9      JP10      JP12      JP13       JP14

    3.3v       2.2v      1 & 2     Open      Open      1 & 3,     Open
                                                       2 & 4

    3.3v       2.8v      Open      Open      Open      1 & 3,    Closed
                                                       2 & 4

    3.3v       2.9v      3 & 4     Open      Open      1 & 3,    Closed
                                                       2 & 4

    3.3v       3.2v      Open      Open     Closed     1 & 3,    Closed
                                                       2 & 4

  Note: Pins designated should be in the closed position.

