
TMC RESEARCH CORPORATION

TI6NB (VER. 1.0A)

Device Type          Mainboard
Processor            Pentium II
Processor Speed      233/266/300/333/350/400/450MHz
Chip Set             Intel 440BX
Video Chip Set       None
Maximum Onboard      512MB (SDRAM supported)
Memory
Maximum Video Memory None
Cache                256/512KB (located on Pentium II CPU)
BIOS                 Award
Dimensions           305mm x 185mm
I/O Options          32-bit PCI slots (5), floppy drive interface, IDE
                     interfaces (2), parallel port, PS/2 mouse port,
                     serial ports (2), IR connector, USB connectors (2),
                     ATX power connector, AGP slot
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  AGP slot                 AGP         IDE interface 1           J19

  ATX power                ATX         Speaker               J16/pins 1 -
  connector                                                       4

  PS/2 mouse port           J1         Soft off power        J16/pins 7 &
                                       supply                    17

  Serial port 1             J2         Turbo LED             J16/pins 8 &
                                                                 18

  Serial port 2             J3         Reset switch          J16/pins 9 &
                                                                 19

  Parallel port             J4         IDE interface LED    J16/pins 10 &
                                                                 20

  Floppy drive              J5         Power LED &          J16/pins 11 -
  interface                            keylock                   15

  USB connector 1           J7         Chassis fan power         J21

  USB connector 2          J7A         Wake on LAN               JP3
                                       connector

  IR connector              J9         SB-link connector         JP5

  CPU fan power            J17         32-bit PCI slots       PC1 - PC5

  IDE interface 2          J18

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           J15          Unidentified
      alter

     CMOS memory normal operation          JP4        Pins 1 & 2 closed

      CMOS memory clear                     JP4        Pins 2 & 3 closed

                            DIMM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2         Bank 3

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

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

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

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

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

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

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

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

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

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

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

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

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

                        DIMM CONFIGURATION (CON'T)

      Size          Bank 0        Bank 1         Bank 2         Bank 3

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

     256MB         (1) 16M x     (1) 16M x        None           None
                      64            64

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

     272MB         (1) 16M x     (1) 16M x     (1) 1M x 64   (1) 1M x 64
                      64            64

     288MB         (1) 16M x     (1) 16M x     (1) 2M x 64   (1) 2M x 64
                      64            64

     320MB         (1) 16M x     (1) 16M x     (1) 4M x 64   (1) 4M x 64
                      64            64

     320MB         (1) 16M x    (1) 8M x 64    (1) 8M x 64   (1) 8M x 64
                      64

     384MB         (1) 16M x     (1) 16M x      (1) 16M x        None
                      64            64             64

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

  Note: Board accepts SDRAM memory.

                     CACHE CONFIGURATION

  Note: 256KB/512KB cache is located on the Pentium II CPU.

                            CPU SPEED SELECTION

    CPU        Clock     Multiplier     S1/1     S1/2     S1/3      S1/4
   speed      speed

  233MHz      66MHz         3.5x        Off      Off       Off      Off

  266MHz      66MHz          4x         Off      Off       Off      Off

  300MHz      66MHz         4.5x        Off      Off       Off      Off

  300MHz      100MHz         3x         Off      Off       Off      Off

  333MHz      66MHz          5x         Off      Off       Off      Off

  350MHz      100MHz        3.5x        Off      Off       Off      Off

  400MHz      100MHz         4x         Off      Off       Off      Off

  450MHz      100MHz        4.5x        Off      Off       Off      Off

                        CPU SPEED SELECTION (CON'T)

    CPU        Clock     Multiplier     S1/5     S1/6     S1/7      S1/8
   speed      speed

  233MHz      66MHz         3.5x         On      Off       Off       On

  266MHz      66MHz          4x         Off       On       On        On

  300MHz      66MHz         4.5x        Off       On       Off       On

  300MHz      100MHz         3x          On      Off       On        On

  333MHz      66MHz          5x         Off      Off       On        On

  350MHz      100MHz        3.5x         On      Off       Off       On

  400MHz      100MHz         4x         Off       On       On        On

  450MHz      100MHz        4.5x        Off       On       Off       On

