
TMC RESEARCH CORPORATION

AI5TT (VER. 1.0)

Processor            CX 6X86/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 Memory None
Cache                256/512KB
BIOS                 Award
Dimensions           254mm x 218mm
I/O Options          32-bit PCI slots (4), floppy drive interface, green PC
                     connector, IDE interfaces (2), parallel port, PS/2
                     mouse interface, serial ports (2), IR connector, USB
                     connectors (2), ATX power connector
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  ATX power                ATX         Turbo LED            J12/pins 8 &
  connector                                                      18

  Serial port 1             J5         Reset switch         J12/pins 9 &
                                                                 19

  Serial port 2             J6         IDE interface LED    J12/pins 10 &
                                                                 20

  Floppy drive              J7         Power LED &          J12/pins 11 &
  interface                            keylock                   15

  IDE interface 1           J8         PS/2 mouse               J16
                                       interface

  Parallel port             J9         USB connector            JP1

  IDE interface 2          J10         USB connector            JP2

  IR connector             J11         External battery         JP8

  Speaker              J12/pins 1 &    32-bit PCI slots      PC1  PC4
                            4

  Green PC connector   J12/pins 6 &
                            16

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           JP4          Unidentified
      alter

     Battery type select internal          JP8        Pins 1 & 2 closed

      Battery type select external          JP8             Closed

     CMOS memory normal operation         JP11              Open

      CMOS memory clear                    JP11             Closed

     Factory configured - do not          JP16              Open
      alter

              DRAM 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

     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

     256KB       (2) 32K x 32

     512KB       (2) 64K x 32

                     CPU SPEED SELECTION (CYRIX 6X86)

    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 (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       2.5v       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

