
TMC RESEARCH CORPORATION

PAT54PV (VER 1.0A, 1.1A)

Processor         Pentium
Processor Speed   75/90/100MHz
Chip Set          OPTI
Max. Onboard DRAM 128MB
Cache             256/512KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       32-bit VESA local bus slots (3)
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                 Location

  External battery         J2         Reset switch           J6 (pins 9 -
                                                                 19)

  IDE interface LED        J5         IDE interface LED     J6 (pins 10 -
                                                                 20)

  Speaker              J6 (pins 1 -   Power LED &           J6 (pins 11 -
                           4)         keylock                    15)

  Turbo LED            J6 (pins 8 -   32-bit VESA local       SL1 - SL3
                           18)        bus slots

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Battery type select internal             JP1           pins 2 & 3
                                                              closed

      Battery type select external             JP1             Open

      CMOS memory clear                        JP1           pins 1 & 2
                                                              closed

     Monitor type select monochrome           JP7             Open

      Monitor type select color                JP7            Closed

     Back-to-back I/O delay enabled           JP8            Closed

      Back-to-back I/O delay disabled          JP8             Open

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       2MB        (2) 256K x 36         NONE

       4MB        (2) 512K x 36         NONE

       6MB        (2) 256K x 36    (2) 512K x 36

       8MB         (2) 1M x 36          NONE

       8MB        (2) 512K x 36    (2) 512K x 36

      10MB        (2) 256K x 36     (2) 1M x 36

      12MB        (2) 512K x 36     (2) 1M x 36

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

      16MB         (2) 2M x 36          NONE

      18MB        (2) 256K x 36     (2) 2M x 36

      20MB        (2) 512K x 36     (2) 2M x 36

      24MB         (2) 1M x 36      (2) 2M x 36

      32MB         (2) 4M x 36          NONE

      32MB         (2) 2M x 36      (2) 2M x 36

      34MB        (2) 256K x 36     (2) 4M x 36

      36MB        (2) 512K x 36     (2) 4M x 36

      40MB         (2) 1M x 36      (2) 4M x 36

      48MB         (2) 2M x 36      (2) 4M x 36

      64MB         (2) 4M x 36      (2) 4M x 36

      64MB         (2) 8M x 36          NONE

      66MB        (2) 256K x 36     (2) 8M x 36

      68MB        (2) 512K x 36     (2) 8M x 36

      72MB         (2) 1M x 36      (2) 8M x 36

      80MB         (2) 2M x 36      (2) 8M x 36

      96MB         (2) 4M x 36      (2) 8M x 36

      128MB        (2) 8M x 36      (2) 8M x 36

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     256KB      (8) 32K x 8        NONE       (1) 32K x 8

     512KB      (8) 32K x 8    (8) 32K x 8    (1) 32K x 8

            CACHE JUMPER CONFIGURATION

      Size            RA256            RA512

      256KB         Installed      Not installed

      512KB       Not installed      Installed

                CPU SPEED CONFIGURATION

           Speed                       JP18

           75MHz                 pins 1 & 2 closed

           90MHz                 pins 3 & 4 closed

           100MHz            pins 1 & 2, 5 & 6 closed

  Note: The location of JP18 is unidentified.

                      VESA CLOCK SPEED CONFIGURATION

  CPU Type     JP4        JP6       JP9     JP10       JP11       JP12

   33MHz      Open        Open     1 & 2    2 & 3      Open      Closed

   40MHz     Closed      Closed    1 & 2    1 & 2     Closed     Closed

   50MHz     Closed      Closed    2 & 3    1 & 2     Closed      Open

  Note: Pins designated should be in the closed position.

                     BUS CLOCK FREQUENCY CONFIGURATION

  ATCLK frequency   VLCLK frequency          JP2               JP3

       8MHz              33MHz             Closed              Open

       8MHz              40MHz             Closed             Closed

       10MHz             50MHz             Closed             Closed

  VESA WAIT STATE CONFIGURATION

   Wait states          JP5

  0 wait states        Open

  1 wait state        Closed

