
GEMLIGHT COMPUTER, LTD.

GMB-P6BIAK (VER. 1.00)

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

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  AGP slot                   AGP       IR connector               JP10

  ATX power                  ATX       Floppy drive               JP12
                                       interface

  Serial port 2              CN1       Intel PC/PCI header        JP13

  Parallel port              CN2       IDE interface 1            JP14

  Serial port 1              CN3       IDE interface 2            JP15

  USB connector 1            CN4       Wake on LAN connector      JP16

  USB connector 2            CN5       IDE interface LED          JP17

  PS/2 mouse port            CN6       Speaker                    JP18

  Chassis fan power          FAN1      Power switch               JP19

  Chassis fan power          FAN3      Reset switch               JP20

  CPU fan power              FAN2      Power LED                  JP21

  ATX power connector        JP1       32-bit PCI slots         PC1 - PC4

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation             J4           Pins 1 & 2
                                                              closed

      CMOS memory clear                        J4           Pins 2 & 3
                                                              closed

     Flash BIOS voltage select 5v             J6           Pins 1 & 2
                                                              closed

      Flash BIOS voltage select 12v            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) 4MB x 64      None          None           None

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

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

     32MB        (1) 8MB x 64      None          None           None

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

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

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

     56MB        (1) 1MB x 64    (1) 4MB x     (1) 4MB x    (1) 4MB x 64
                                    64            64

     56MB        (1) 1MB x 64    (1) 1MB x     (1) 1MB x    (1) 8MB x 64
                                    64            64

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

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

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

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

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

     80MB        (1) 4MB x 64    (1) 4MB x     (1) 4MB x    (1) 8MB x 64
                                    64            64

     80MB        (1) 8MB x 64    (1) 4MB x     (1) 4MB x    (1) 4MB x 64
                                    64            64

     88MB        (1) 1MB x 64    (1) 1MB x     (1) 1MB x    (1) 16MB x 64
                                    64            64

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

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

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

     104MB       (1) 1MB x 64    (1) 8MB x     (1) 8MB x    (1) 8MB x 64
                                    64            64

                        DRAM CONFIGURATION (CONT.)

     Size          Bank 0        Bank 1         Bank 2         Bank 3

    112MB       (1) 4MB x 64   (1) 8B x 64    (1) 8B x 64    (1) 8B x 64

    112MB       (1) 4MB x 64   (1) 4MB x 64   (1) 4MB x 64  (1) 16MB x 64

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

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

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

    152MB       (1) 1MB x 64   (1) 1MB x 64   (1) 1MB x 64  (1) 32MB x 64

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

    160MB       (1) 8MB x 64   (1) 8MB x 64   (1) 8MB x 64  (1) 16MB x 64

    176MB       (1) 4MB x 64   (1) 4MB x 64   (1) 4MB x 64  (1) 32MB x 64

    176MB        (1) 32MB x    (1) 4MB x 64   (1) 4MB x 64  (1) 4MB x 64
                     64

    192MB       (1) 8MB x 64   (1) 8MB x 64    (1) 16MB x   (1) 16MB x 64
                                                  64

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

    200MB       (1) 1MB x 64    (1) 16MB x     (1) 16MB x   (1) 16MB x 64
                                   64             64

    208MB       (1) 4MB x 64    (1) 16MB x     (1) 16MB x   (1) 16MB x 64
                                   64             64

    208MB        (1) 16MB x     (1) 16MB x     (1) 16MB x   (1) 4MB x 64
                     64            64             64

    224MB       (1) 8MB x 64    (1) 16MB x     (1) 16MB x   (1) 16MB x 64
                                   64             64

    224MB       (1) 8MB x 64   (1) 8MB x 64   (1) 8MB x 64  (1) 32MB x 64

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

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

    272MB       (1) 1MB x 64   (1) 1MB x 64    (1) 32MB x   (1) 32MB x 64
                                                  64

    288MB       (1) 4MB x 64   (1) 4MB x 64    (1) 32MB x   (1) 32MB x 64
                                                  64

    288MB        (1) 32MB x     (1) 32MB x    (1) 4MB x 64  (1) 4MB x 64
                     64            64

    320MB       (1) 8MB x 64   (1) 8MB x 64    (1) 32MB x   (1) 32MB x 64
                                                  64

    320MB        (1) 16MB x     (1) 16MB x     (1) 16MB x   (1) 32MB x 64
                     64            64             64

    384MB        (1) 16MB x     (1) 16MB x     (1) 32MB x   (1) 32MB x 64
                     64            64             64

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

    392MB       (1) 1MB x 64    (1) 32MB x     (1) 32MB x   (1) 32MB x 64
                                   64             64

    400MB       (1) 4MB x 64    (1) 32MB x     (1) 32MB x   (1) 32MB x 64
                                   64             64

    400MB        (1) 32MB x     (1) 32MB x     (1) 32MB x   (1) 4MB x 64
                     64            64             64

    416MB       (1) 8MB x 64    (1) 32MB x     (1) 32MB x   (1) 32MB x 64
                                   64             64

    416MB        (1) 32MB x     (1) 32MB x     (1) 32MB x   (1) 8MB x 64
                     64            64             64

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

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

    512MB        (1) 32MB x     (1) 32MB x     (1) 32MB x   (1) 32MB x 64
                     64            64             64

                       CPU SPEED SELECTION (PENTIUM)

    CPU       Clock    Multiplier    JP3/pins 1   JP3/pins 3   JP3/pins 5
   speed     speed                      & 2          & 4          & 6

  233MHz     50MHz        1.5x          Open         Open        Closed

  266MHz     66MHz        1.5x         Closed       Closed        Open

  300MHz     66MHz         2x           Open        Closed        Open

  333MHz     66MHz        2.5x         Closed        Open         Open

  350MHz     60MHz        1.5x          Open         Open        Closed

  400MHz     60MHz         2x          Closed       Closed        Open

  450MHz     60MHz        2.5x          Open        Closed        Open

