
NIAGARA SMD TECHNOLOGY, INC.

NT944

Processor           IBM 6X86/CX M1/AM K5/Pentium
Processor Speed     75/90/100/120/133/150/166/180/200MHz
Chip Set            Intel
Video Chip Set      None
Maximum Onboard     512MB (EDO supported)
Memory
Maximum Video       None
Memory
Cache               256/512KB
BIOS                Award/Phoenix
Dimensions          330mm x 218mm
I/O Options         32-bit PCI slots (4), floppy drive interface, IDE
                    interfaces (2), parallel port, PS/2 mouse port, serial
                    ports (2), serial port, cache slot, IR connector, USB
                    connector
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  IDE interface 2          CN1         IR connector             J26

  IDE interface 1          CN2         Power LED &          JP27 pins 1 -
                                       keylock                   5

  PS/2 mouse port           J2         Turbo LED            JP27 pins 7 &
                                                                 17

  Serial port               J5         Reset switch         JP27 pins 8 &
                                                                 18

  Serial port               J6         IDE interface LED   JP27 pins 10 &
                                                                 20

  Floppy drive              J7         Speaker             JP27 pins 11 -
  interface                                                      14

  Chassis fan power         J9         32-bit PCI slots      PC1  PC4

  Parallel port            J21         Cache slot               SL1

  USB connector            J22

  Note: The location of J9 is unidentified.

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     CMOS memory normal operation          JP2              Open

      CMOS memory clear                     JP2             Closed

     Flash BIOS voltage select 5v          JP3        Pins 1 & 2 closed

      Flash BIOS voltage select 12v         JP3        Pins 2 & 3 closed

     Factory configured - do not           JP4             Closed
      alter

     Factory configured - do not           JP6             Closed
      alter

     Factory configured - do not           JP7             Closed
      alter

     Factory configured - do not           JP8             Closed
      alter

     Factory configured - do not           JP9          Unidentified
      alter

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       8MB        (2) 512K x 36    (2) 512K x 36

       8MB         (2) 1M x 36          None

      10MB        (2) 256K x 36     (2) 1M x 36

      12MB        (2) 512K x 36     (2) 1M x 36

      16MB         (2) 2M x 36          None

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

      18MB        (2) 256K x 36     (2) 2M x 36

      20MB        (2) 512K x 36     (2) 2M 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

      34MB        (2) 256K x 36     (2) 4M x 36

                    DRAM CONFIGURATION (CONT)

         Size                 Bank 0                Bank 1

         36MB             (2) 512K x 36           (2) 4M x 36

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

         66MB             (2) 256K x 36           (2) 8M x 36

         68MB             (2) 512K x 36           (2) 8M x 36

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

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

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

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

        128MB              (2) 16M x 36              None

        130MB             (2) 256K x 36          (2) 16M x 36

        132MB             (2) 512K x 36          (2) 16M 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) 32M x 36              None

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

        258MB             (2) 256K x 36          (2) 32M x 36

        260MB             (2) 512K x 36          (2) 32M x 36

        264MB              (2) 32M x 36           (2) 1M x 36

        272MB              (2) 32M x 36           (2) 2M x 36

        288MB              (2) 32M x 36           (2) 4M x 36

        320MB              (2) 32M x 36           (2) 8M x 36

        384MB              (2) 32M x 36          (2) 16M x 36

        512MB              (2) 32M x 36          (2) 32M x 36

  Note: Board accepts EDO memory. Board also accepts x 32 SIMMs.

                            CACHE CONFIGURATION

          Size                   Bank 0                     SL1

          256KB               (2) 32K x 32             Not installed

          512KB               (2) 32K x 32        256KB module installed

                   CACHE JUMPER CONFIGURATION

    Size         JP10         JP11        JP12         JP13

    256KB        Open         Open       Closed        Open

  512KB (A)     Closed       Closed       Open        Closed

                         CPU SPEED SELECTION (IBM)

   CPU      Clock    Multiplier   SW1/1   SW1/2    SW1/3   SW1/4   SW1/5
  speed    speed

  120MHz   50MHz       1.5x        On      On      Off     Off      Off

  150MHz   60MHz       1.5x        On      Off     Off     Off      Off

                        CPU SPEED SELECTION (CYRIX)

   CPU      Clock    Multiplier   SW1/1   SW1/2    SW1/3   SW1/4   SW1/5
  speed    speed

  120MHz   50MHz       1.5x        On      On      Off     Off      Off

  150MHz   60MHz       1.5x        On      Off     Off     Off      Off

                        CPU SPEED SELECTION (INTEL)

   CPU      Clock    Multiplier   SW1/1   SW1/2    SW1/3   SW1/4   SW1/5
  speed    speed

  75MHz    50MHz       1.5x        On      On      Off     Off      Off

  90MHz    60MHz       1.5x        On      Off     Off     Off      Off

  100MHz   66MHz       1.5x        Off     On      Off     Off      Off

  120MHz   60MHz        2x         On      Off      On     Off      Off

  133MHz   66MHz        2x         Off     On       On     Off      Off

  150MHz   60MHz       2.5x        On      Off      On      On      Off

  166MHz   66MHz       2.5x        Off     On       On      On      Off

  180MHz   60MHz        3x         On      Off     Off      On      Off

  200MHz   66MHz        3x         Off     On      Off      On      Off

          CPU TYPE SELECTION

       Type               JP21

     IBM 6X86       All pins closed

      IBM M2         All pins open

       CX M1        All pins closed

       CX M2         All pins open

      AM 5K86       All pins closed

       AM K5         All pins open

       P54C         All pins closed

       P55C          All pins open

                           CPU VOLTAGE SELECTION

                Voltage                                JP5

                   3.3v                         Pins 1 & 2 closed

                  3.45v                        Pins 3 & 4 closed

                   3.6v                         Pins 5 & 6 closed

