
TMC RESEARCH CORPORATION

PCI54IT (VER. 0.10C)

Processor           CX M1/Pentium
Processor Speed     75/90/100/120/133/150/166/180/200MHz
Chip Set            Intel
Video Chip Set      None
Maximum Onboard     128MB (EDO supported)
Memory
Maximum Video       None
Memory
Cache               256/512KB
BIOS                Unidentified
Dimensions          330mm x 218mm
I/O Options         32-bit PCI slots (2), floppy drive interface, green PC
                    connector, IDE interfaces (2), parallel port, PS/2
                    mouse port, serial ports (2), cache slot, VRM connector
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  PS/2 mouse port             J3       Power LED & keylock        J15

  PS/2 mouse interface        J4       IDE interface LED          J17

  Serial port 1               J5       Turbo LED                  J18

  Serial port 2               J6       Green PC connector         J19

  Parallel port               J9       Chassis fan power          J21

  IDE interface 1            J10       Speaker                    J22

  IDE interface 2            J11       32-bit PCI slots         PC1  PC4

  Floppy drive interface     J12       Cache slot                 SL1

  Reset switch               J14       VRM connector              VRM

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

      Flash BIOS voltage select 12v         JP4        Pins 1 & 2 closed

      Flash BIOS voltage select 5v          JP4        Pins 2 & 3 closed

     Factory configured - do not           RN1          Unidentified
      alter

     Factory configured - do not           RN2          Unidentified
      alter

     Factory configured - do not           RN3          Unidentified
      alter

      Password normal operation            SW1/3              Off

      Password clear                       SW1/3              On

     CMOS memory normal operation         SW1/4              Off

      CMOS memory clear                    SW1/4              On

      BIOS access enabled                  SW1/5              Off

      BIOS access disabled                 SW1/5              On

     Factory configured - do not           W1           Unidentified
      alter

     Factory configured - do not           W6           Unidentified
      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

  Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. Banks
  are interchangeable.

                            CACHE CONFIGURATION

       Size            Bank 0               SL1                 TAG

    256KB (A)       (8) 32K x 8        Not installed        (1) 8K x 8

    256KB (B)           None            256KB module           None
                                         installed

    512KB (A)       (8) 64K x 8        Not installed        (1) 32K x 8

    512KB (B)           None            512KB module           None
                                         installed

                        CACHE JUMPER CONFIGURATION

    Size         JP7          JP8         JP9          JP10        JP11

    None         Open        Open         Open         N/A         N/A

  256KB (A)     Closed       Open         Open         Open       Closed

  256KB (B)     Closed       Open         Open         Open        Open

  512KB (A)      Open       Closed       Closed        Open       Closed

  512KB (B)      Open       Closed       Closed        Open        Open

                        CPU SPEED SELECTION (CYRIX)

    CPU     Clock    Multiplier    JP3    SW1/1    SW1/6   SW1/7   SW1/8
  speed     speed

  100MHz    66MHz        2x        Open    On       On     Off      Off

  120MHz    60MHz        2x        Open    On       On      On      Off

  133MHz    66MHz        2x        Open    On       On      On       On

                        CPU SPEED SELECTION (INTEL)

   CPU      Clock    Multiplier    JP3     SW1/1    SW1/6   SW1/7   SW1/8
  speed    speed

  75MHz    50MHz       1.5x        Open     On      Off     Off      Off

  90MHz    60MHz       1.5x        Open     On      Off      On      Off

  100MHz   66MHz       1.5x        Open     On      Off      On      On

  120MHz   60MHz        2x         Open     On       On      On      Off

  133MHz   66MHz        2x         Open     On       On      On      On

  150MHz   60MHz       2.5x       Closed    On       On      On      Off

  166MHz   66MHz       2.5x       Closed    On       On      On      On

  180MHz   60MHz        3x        Closed    On      Off      On      Off

  200MHz   66MHz        3x        Closed    On      Off      On      On

  CPU VOLTAGE SELECTION

   Voltage       SW1/2

   Normal         On

    High          Off

                    DMA CHANNEL SELECTION

       Channel               JP1                  JP2

          1            Pins 1 & 2 closed   Pins 1 & 2 closed

          3            Pins 2 & 3 closed   Pins 2 & 3 closed

