
TMC RESEARCH CORPORATION

AI5TT (VER. 1.1)

Processor           CX 6X86L/CX 686MX/AM K5/AM K6/Pentium
Processor Speed     90/100/120/133/150/166/200/233MHz
Chip Set            Intel
Video Chip Set      None
Maximum Onboard     256MB (EDO supported)
Memory
Maximum Video MemoryNone
Cache               512KB
BIOS                Unidentified
Dimensions          254mm 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), IR connector, USB connectors (2), ATX power
                    connector
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  ATX power                ATX         Chassis fan power        J17
  connector

  USB connector             J6         CPU fan power            J18

  USB connector             J7         IR connector             J19

  PS/2 mouse port           J8         Speaker             J20/pins 1 - 4

  Serial port 1             J9         Green PC             J20/pins 6 &
                                       connector                 16

  Serial port 2            J10         Turbo LED            J20/pins 8 &
                                                                 18

  Floppy drive             J11         Reset switch         J20/pins 9 &
  interface                                                      19

  IDE interface 1          J12         IDE interface LED    J20/pins 10 &
                                                                 20

  Parallel port            J13         Power LED &          J20/pins 11 -
                                       keylock                   15

  IDE interface 2          J14         32-bit PCI slots      PC1  PC4

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

      Battery type select internal          J15        Pins 3 & 4 closed

      Battery type select external          J15              Open

     Factory configured - do not          JP16          Unidentified
      alter

     CMOS memory normal operation         JP19              Open

      CMOS memory clear                    JP19        Pins 2 & 3 closed

              SIMM CONFIGURATION

      Size          Bank 0          Bank 1

      8MB         (2) 1M x 36        None

      16MB        (2) 2M x 36        None

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

      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

      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

     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) 16M x 36   (2) 16M x 36

  Note: Board accepts EDO memory.

             DIMM CONFIGURATION

     Size          Bank 2        Bank 3

      8MB        (1) 1M x 64      None

     16MB        (1) 2M x 64      None

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

     24MB        (1) 2M x 64   (1) 1M x 64

     32MB        (1) 4M x 64      None

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

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

     48MB        (1) 4M x 64   (1) 2M x 64

     64MB        (1) 8M x 64      None

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

     72MB        (1) 8M x 64   (1) 1M x 64

     80MB        (1) 8M x 64   (1) 2M x 64

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

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

      CACHE CONFIGURATION

      Size          Bank 0

     512KB       (1) 64K x 64

                      CPU SPEED SELECTION (CX 6X86L)

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

  150MHz     60MHz         2x          On        On       On        Off

  166MHz     66MHz         2x          Off      Off       On        Off

                      CPU SPEED SELECTION (CX 6X86MX)

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

  166MHz     60MHz        2.5x         On        On       On        On

  200MHz     66MHz        2.5x         Off      Off       On        On

  233MHz     66MHz         3x          Off      Off       Off       On

                        CPU SPEED SELECTION (AM K5)

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

  100MHz     66MHz        1.5x         Off      Off       Off       Off

  133MHz     66MHz        1.5x         Off      Off       On        Off

  166MHz     66MHz        1.75x        Off      Off       On        On

                        CPU SPEED SELECTION (AM K6)

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

  166MHz     66MHz        1.75x        Off      Off       On        On

  200MHz     66MHz         3x          Off      Off       Off       On

  233MHz     66MHz        3.5x         Off      Off       Off       Off

                        CPU SPEED SELECTION (INTEL)

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

   90MHz     60MHz        1.5x         On        On       Off       Off

  100MHz     66MHz        1.5x         Off      Off       Off       Off

  120MHz     60MHz         2x          On        On       On        Off

  133MHz     66MHz         2x          Off      Off       On        Off

  150MHz     60MHz        2.5x         On        On       On        On

  166MHz     66MHz        2.5x         Off      Off       On        On

  200MHz     66MHz         3x          Off      Off       Off       On

  233MHz     66MHz        3.5x         Off      Off       Off       Off

            CPU VOLTAGE SELECTION (SINGLE)

  Voltage    SW1/5      SW1/6      SW1/7      SW1/8

   3.5v        On         On        On         On

                 CPU VOLTAGE SELECTION (DUAL)

  Voltage    V core     SW1/5     SW1/6      SW1/7     SW1/8

   3.3v       2.1v       On        Off        Off       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

