
GEMLIGHT COMPUTER, LTD.

GMB-P56VPS (VER. 1.10)

Processor           CX M1/AM K5/Pentium
Processor Speed     75/90/100/120/133/150/166/180/200MHz
Chip Set            VIA
Video Chip Set      None
Maximum Onboard     256MB (EDO supported)
Memory
Maximum Video       None
Memory
Cache               256/512KB
BIOS                AMI/Award
Dimensions          270mm x 220mm
I/O Options         32-bit PCI slots (4), floppy drive interface, green PC
                    connector, IDE interfaces (2), parallel port, PS/2
                    mouse interface, serial ports (2), IR connectors (2),
                    USB connectors (2)
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Reset switch                J1       IR connector               J14

  Turbo switch                J2       IR connector (fast)        J15

  Turbo LED                   J3       Parallel port              J16

  IDE interface LED           J4       Serial port 2              J17

  Speaker                     J5       Serial port 1              J18

  Power LED & keylock         J6       PS/2 mouse interface       J19

  Floppy drive interface     J10       USB connector 2            J21

  IDE interface 2            J11       USB connector 1            J22

  IDE interface 1            J12       32-bit PCI slots         PC1 - PC4

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Flash BIOS voltage select 12v           JP2           Pins 2 & 3
                                                              closed

      Flash BIOS voltage select 5v            JP2           Pins 1 & 2
                                                              closed

     CMOS memory normal operation            JP6           Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP6           Pins 2 & 3
                                                              closed

                            DRAM CONFIGURATION

          Size                    Bank 0                   Bank 1

           8MB                 (2) 1M x 36                  None

          16MB                 (2) 2M x 36                  None

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

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

          32MB                 (2) 4M x 36                  None

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

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

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

          64MB                 (2) 8M x 36                  None

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

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

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

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

          128MB                (2) 16M x 36                 None

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

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

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

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

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

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

  Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. Banks
  are interchangeable.

                            CACHE CONFIGURATION

       Size             Bank 0           Bank 1               TAG

       256KB         (2) 32K x 32         None        (1) 8K/16K/32K x 8

       512KB         (2) 32K x 32     (2) 32K x 32      (1) 16K/32K x 8

  Note: The location of banks 0 & 1 are unidentified.

                        CPU SPEED SELECTION (CYRIX)

    CPU     Clock    Multiplier    JP7   JP8     S3       S4        S5
  speed     speed

  120MHz    50MHz        2x        1 &   2 &    Closed   Closed    Open
                                   2      3

  133MHz    55MHz        2x        1 &   2 &    Open     Open      Open
                                   2      3

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

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

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

  Note: Pins designated should be in the closed position.

                         CPU SPEED SELECTION (AMD)

    CPU      Clock   Multiplier     JP7   JP8     S3        S4       S5
  speed     speed

  75MHz     50MHz       1.5x        1 &   1 &    Closed    Closed   Open
                                    2      2

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

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

  120MHz    60MHz       1.5x        1 &   1 &    Closed    Open     Open
                                    2      2

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

  150MHz    66MHz       1.5x        1 &   2 &    Closed    Open     Open
                                    2      3

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU      Clock   Multiplier     JP7   JP8     S3        S4       S5
  speed     speed

  75MHz     50MHz       1.5x        1 &   1 &    Closed    Closed   Open
                                    2      2

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

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

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

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

  150MHz    60MHz       2.5x        2 &   2 &    Closed    Open     Open
                                    3      3

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

  180MHz    60MHz        3x         2 &   1 &    Closed    Open     Open
                                    3      2

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

  Note: Pins designated should be in the closed position.

                           CPU VOLTAGE SELECTION

    Voltage      V core       JP1          S0          S1          S2

      3.4v         N/A       Closed      Closed      Closed      Closed
   (single)

  3.4v (dual)     2.9v       Closed       Open        Open        Open

      3.5v         N/A        Open       Closed      Closed      Closed
   (single)

