NIAGARA SMD TECHNOLOGY, INC.

NT928 P2BXD

Device Type         Mainboard
Processor           Pentium II
Processor Speed     233/266/300/333/350/400/450/500MHz
Chip Set            Intel 440BX
Video Chip Set      None
Maximum Onboard     768MB (EDO & SDRAM supported)
Memory
Maximum Video       None
Memory
Cache               512KB (located on Pentium II CPU)
BIOS                Award
Dimensions          300mm x 190mm
I/O Options         32-bit system 32-bit PCI slots (5), floppy drive
                    interface, IDE interfaces (2), parallel port, PS/2
                    mouse port, serial ports (2), IR connectors (2), USB
                    connectors (2), ATX power connector, AGP slot
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  AGP slot                   AGP       CPU fan power              C10

  ATX power connector        ATX       Parallel port              CN1

  Chassis fan power           C1       Serial port 2              CN2

  SB link connector           C2       Serial port 1              CN3

  IR connector                C3       USB connector 1            CN4

  CIR connector               C4       USB connector 2            CN5

  Soft off power supply       C5       PS/2 mouse port            CN6

  IDE interface LED           C6       Floppy drive               CN7
                                       interface

  Reset switch                C7       IDE interface 1            CN8

  Power LED & keylock         C8       IDE interface 2            CN9

  Speaker                     C9       32-bit PCI slots         PC1 – PC5

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

  »   CMOS memory normal operation            J19           Pins 1 & 2
                                                              closed

      CMOS memory clear                       J19           Pins 2 & 3
                                                              closed

      CPU frequency select 66MHz              JP1             Closed

      CPU frequency select 100MHz             JP1              Open

                    DIMM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2

      8MB       (1) 1M x 64        None          None

     16MB       (1) 2M x 64        None          None

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

     24MB       (1) 2M x 64    (1) 1M x 64       None

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

     32MB       (1) 4M x 64        None          None

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

     32MB       (1) 2M x 64    (1) 2M x 64       None

     40MB       (1) 4M x 64    (1) 1M x 64       None

     40MB       (1) 2M x 64    (1) 2M x 64    (1) 1M x 64

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

     48MB       (1) 4M x 64    (1) 2M x 64       None

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

     56MB       (1) 4M x 64    (1) 2M x 64    (1) 1M x 64

     64MB       (1) 8M x 64        None          None

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

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

     72MB       (1) 8M x 64    (1) 1M x 64       None

                  DIMM CONFIGURATION (CON’T)

      Size          Bank 0          Bank 1          Bank 2

      72MB        (1) 4M x 64     (1) 4M x 64    (1) 1M x 64

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

      80MB        (1) 8M x 64     (1) 2M x 64        None

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

      88MB        (1) 8M x 64     (1) 2M x 64    (1) 1M x 64

      96MB        (1) 8M x 64     (1) 2M x 64    (1) 2M x 64

      96MB        (1) 8M x 64     (1) 4M x 64        None

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

     104MB        (1) 8M x 64     (1) 4M x 64    (1) 1M x 64

     112MB        (1) 8M x 64     (1) 4M x 64    (1) 2M x 64

     128MB       (1) 16M x 64        None            None

     128MB        (1) 8M x 64     (1) 4M x 64    (1) 4M x 64

     128MB        (1) 8M x 64     (1) 8M x 64        None

     136MB       (1) 16M x 64     (1) 1M x 64        None

     136MB        (1) 8M x 64     (1) 8M x 64    (1) 1M x 64

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

     144MB       (1) 16M x 64     (1) 2M x 64        None

     144MB        (1) 8M x 64     (1) 8M x 64    (1) 2M x 64

     152MB       (1) 16M x 64     (1) 2M x 64    (1) 1M x 64

     160MB       (1) 16M x 64     (1) 2M x 64    (1) 2M x 64

     160MB       (1) 16M x 64     (1) 4M x 64        None

     160MB        (1) 8M x 64     (1) 8M x 64    (1) 4M x 64

     168MB       (1) 16M x 64     (1) 4M x 64    (1) 1M x 64

     176MB       (1) 16M x 64     (1) 4M x 64    (1) 2M x 64

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

     192MB       (1) 16M x 64     (1) 8M x 64        None

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

     200MB       (1) 16M x 64     (1) 8M x 64    (1) 1M x 64

     208MB       (1) 16M x 64     (1) 8M x 64    (1) 2M x 64

     224MB       (1) 16M x 64     (1) 8M x 64    (1) 4M x 64

     256MB       (1) 16M x 64     (1) 8M x 64    (1) 8M x 64

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

     512MB       (1) 32M x 64    (1) 16M x 64    (1) 16M x 64

     512MB       (1) 32M x 64    (1) 32M x 64        None

     768MB       (1) 32M x 64    (1) 32M x 64    (1) 32M x 64

            Note: Board accepts EDO & SDRAM memory.

                  CACHE CONFIGURATION

  Note: 512KB cache is located on the Pentium II CPU.

                             DIAGNOSTIC LED(S)

            Note: The user may use the debug sensor LEDs to identify
            inproperly installed components. Codes are unidentified.