
TMC RESEARCH CORPORATION

SI5TT (VER. 1.0)

Device Type      Mainboard
Processor        CX 6X86L/CX 686MX/AM K5/AM K6/Pentium/Pentium MMX
Processor Speed  90/100/120/133/150/166/180/200/233/266/300MHz
Chip Set         Intel 430TX
Video Chip Set   Chips and Technology
Maximum Onboard  128MB (EDO supported)
Memory
Maximum Video    1MB
Memory
Cache            512KB
BIOS             Award
Dimensions       203mm x 146mm
I/O Options      Ethernet 10BaseT connector, floppy drive interface, green
                 PC connector, IDE interfaces (2), parallel port, serial
                 ports (4), VGA port, IR connector, USB connector, PC/104
                 connectors (2)

[Image]

                                CONNECTIONS

  Purpose              Location      Purpose                  Location

  PC/104 connector        CN1        Serial port 2               J7

  PC/104 connector        CN2        Parallel port               J8

  Speaker             J1/pins 1 -    Serial port 3               J9
                           4

  Green PC            J1/pins 6 &    Serial port 4               J10
  connector               16

  Turbo LED           J1/pins 8 &    Keyboard/mouse              J11
                          18         connector

  Reset switch        J1/pins 9 &    CPU fan power               J12
                          19

  IDE interface       J1/pins 10 &   USB connector               J14
  LED                     20

  Power LED &         J1/pins 11 -   Floppy drive                J15
  keylock                 15         interface

  IDE interface 1         J2         IR connector                J16

  IDE interface 2         J3         LCD panel connector         LCD

  Ethernet 10BaseT        J4         Power connector             P1
  connector

  Serial port 1           J5         Power connector             P2

  VGA interface           J6         PCI connector              PCI1

  Note: The location of J1 is unidentified.

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

      DISK address select D0000             J13        Pins 1 & 2 closed

      DISK address select D8000             J13        Pins 2 & 3 closed

     CMOS memory normal operation          JP2        Pins 1 & 2 closed

      CMOS memory clear                     JP2        Pins 2 & 3 closed

      LCD voltage select 3.3v               JP4        Pins 1 & 2 closed

      LCD voltage select 5v                 JP4        Pins 2 & 3 closed

     Factory configured - do not           JP5          Unidentified
      alter

     Factory configured - do not           JP6          Unidentified
      alter

         SIMM CONFIGURATION

       Size             Bank 0

       8MB           (2) 1M x 36

       16MB          (2) 2M x 36

       32MB          (2) 4M x 36

       64MB          (2) 8M x 36

      128MB          (2) 16M x 36

  Note: Board accepts EDO memory.

                CACHE CONFIGURATION

  Note: The location of the cache is unidentified.

                VIDEO MEMORY CONFIGURATION

  Note: The location of the video memory is unidentified.

                      CPU SPEED SELECTION (CX 6X86L)

    CPU     Clock    Multiplier    JP1    SW1/1    SW1/2   SW1/3   SW1/4
  speed     speed

  150MHz    60MHz        2x        Open    On       On      On      Off

  166MHz    66MHz        2x        Open    Off     Off      On      Off

                      CPU SPEED SELECTION (CX 6X86MX)

   CPU      Clock    Multiplier    JP1     SW1/1    SW1/2   SW1/3   SW1/4
  speed    speed

  166MHz   60MHz       2.5x        Open     On       On      On      On

  200MHz   66MHz       2.5x        Open     Off     Off      On      On

  200MHz   75MHz        2x        Closed    Off     Off      On      Off

  233MHz   66MHz        3x         Open     Off     Off     Off      On

  233MHz   75MHz       2.5x       Closed    Off     Off      On      On

  300MHz   66MHz       3.5x        Open     Off     Off     Off      Off

  300MHz   75MHz        3x        Closed    Off     Off     Off      On

                       CPU SPEED SELECTION (IDT C6)

    CPU     Clock    Multiplier    JP1    SW1/1    SW1/2   SW1/3   SW1/4
  speed     speed

  180MHz    60MHz        3x        Open    On       On     Off       On

  200MHz    66MHz        3x        Open    Off     Off     Off       On

                        CPU SPEED SELECTION (AM K5)

    CPU     Clock    Multiplier    JP1    SW1/1    SW1/2   SW1/3   SW1/4
  speed     speed

  100MHz    66MHz       1.5x       Open    Off     Off     Off      Off

  133MHz    66MHz       1.5x       Open    Off     Off      On      Off

  166MHz    66MHz      1.75x       Open    Off     Off      On       On

                        CPU SPEED SELECTION (AM K6)

   CPU      Clock    Multiplier    JP1     SW1/1    SW1/2   SW1/3   SW1/4
  speed    speed

  166MHz   66MHz       1.75x       Open     Off     Off      On      On

  200MHz   66MHz        3x         Open     Off     Off     Off      On

  233MHz   66MHz       3.5x        Open     Off     Off     Off      Off

  266MHz   66MHz        4x        Closed    Off     Off      On      Off

  300MHz   66MHz       4.5x       Closed    Off     Off      On      On

                        CPU SPEED SELECTION (INTEL)

    CPU     Clock    Multiplier    JP1    SW1/1    SW1/2   SW1/3   SW1/4
  speed     speed

  90MHz     60MHz       1.5x       Open    On       On     Off      Off

  100MHz    66MHz       1.5x       Open    Off     Off     Off      Off

  120MHz    60MHz        2x        Open    On       On      On      Off

  133MHz    66MHz        2x        Open    Off     Off      On      Off

  150MHz    60MHz       2.5x       Open    On       On      On       On

  166MHz    66MHz       2.5x       Open    Off     Off      On       On

  200MHz    66MHz        3x        Open    Off     Off     Off       On

                      CPU SPEED SELECTION (INTEL MMX)

    CPU     Clock    Multiplier    JP1    SW1/1    SW1/2   SW1/3   SW1/4
  speed     speed

  166MHz    66MHz       2.5x       Open    Off     Off      On       On

  200MHz    66MHz        3x        Open    Off     Off     Off       On

  233MHz    66MHz       3.5x       Open    Off     Off     Off      Off

            CPU VOLTAGE SELECTION (SINGLE)

  Voltage    SW2/1      SW2/2      SW2/3      SW2/4

   3.5v        On         On        On         On

                 CPU VOLTAGE SELECTION (DUAL)

  Voltage    V core     SW2/1     SW2/2      SW2/3     SW2/4

   3.3v       2.0v       Off       Off        Off       Off

   3.3v       2.1v       On        Off        Off       Off

   3.3v       2.2v       Off        On        Off       Off

   3.3v       2.3v       On         On        Off       Off

   3.3v       2.4v       Off       Off         On       Off

   3.3v       2.5v       On        Off         On       Off

   3.3v       2.6v       Off        On         On       Off

   3.3v       2.7v       On         On         On       Off

   3.3v       2.8v       Off       Off        Off        On

   3.3v       2.9v       On        Off        Off        On

   3.3v       3.0v       Off        On        Off        On

   3.3v       3.2v       Off       Off         On        On

   3.3v       3.5v       On         On         On        On

                          SERIAL PORT 2 SELECTION

          Setting                                 JP3

           RS-232                                Open

           RS-422            Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 11 & 12, 15
                                & 16, 17 & 18, 19 & 20, 23 & 24 closed

           RS-485             Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11
                             & 12, 13 & 14, 15 & 16, 17 & 18, 19 & 20, 21
                                         & 22, 23 & 24 closed

