TMC RESEARCH CORPORATION

PAT 38PC

Processor         80386DX
Processor Speed   25/33MHz
Chip Set          Unidentifed
Max. Onboard DRAM 24MB (16MB on external memory card)
Cache             32/64KB
BIOS              Unidentified
Dimensions        330mm x 218mm
I/O Options       External memory card slots
NPU Options       80387/3167

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  IDE interface LED         J24        Reset switch          J25 (9 & 19)

  Speaker               J25 (1 - 4)    IDE interface LED      J25 (10 &
                                                                 20)

  Turbo switch          J25 (7 & 17)   Power LED &            J25 (11 -
                                       keylock                   15)

  Turbo LED             J25 (8 & 18)   External memory           S1
                                       card slot

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Factory configured - do not              J1              N/A
      alter

  »   Factory configured - do not             J23              N/A
      alter

  »   Monitor type select color               JP2             Closed

      Monitor type select monochrome          JP2              Open

  »   Pipeline mode enabled                   JP9           pins 2 & 3
                                                              closed

      Pipeline mode disabled                  JP9           pins 1 & 2
                                                              closed

  »   NPU disabled                            JP10             Open

      NPU enabled                             JP10            Closed

  »   Battery type select internal            JP15            Closed

      Battery type select external            JP15             Open

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 256K x 9    (4) 1M x 9

      5MB         (4) 1M x 9     (4) 256K x 9

      8MB         (4) 1M x 9      (4) 1M x 9

           CACHE CONFIGURATION

     Size        Bank 0        Bank 1

     32KB       (4) 8K x 8      NONE

     64KB       (4) 8K x 8   (4) 8K x 8

                        CACHE JUMPER CONFIGURATION

    Size           JP4            JP5            JP6            JP11

    32KB        pins 2 & 3       Open         pins 1 & 2      pins 1 & 2
                 closed                        closed          closed

    64KB        pins 2 & 3      Closed        pins 2 & 3      pins 2 & 3
                 closed                        closed          closed

                CACHE LINE SIZE CONFIGURATION

        Size                 JP7                  JP8

       4 bytes              Closed         pins 1 & 2 closed

       8 bytes              Closed         pins 2 & 3 closed

      16 bytes               Open          pins 2 & 3 closed

                                                                   [Image]

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 3         Bank 4

     1MB        (4) 256K x 9      NONE           NONE           NONE

     2MB        (4) 256K x 9   (4) 256K x 9      NONE           NONE

     3MB        (4) 256K x 9   (4) 256K x 9   (4) 256K x 9      NONE

     4MB        (4) 256K x 9   (4) 256K x 9   (4) 256K x 9  (4) 256K x 9

     4MB        (4) 1M x 9        NONE           NONE           NONE

     6MB        (4) 1M x 9     (4) 256K x 9   (4) 256K x 9      NONE

     8MB        (4) 1M x 9     (4) 1M x 9        NONE           NONE

     10MB       (4) 1M x 9     (4) 1M x 9     (4) 256K x 9  (4) 256K x 9

     12MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9        NONE

     16MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

[Image]

             DRAM CONFIGURATION

     Size         Bank 0/2      Bank 1/3

      4MB        (36) 411000      NONE

      8MB        (36) 411000   (36) 411000

                      DRAM JUMPER CONFIGURATION

  Setting       JP1        JP2         JP3         JP4        JP5

  Bank 0/1     1 & 2      1 & 2       1 & 2       1 & 2      1 & 2

  Bank 1/3     2 & 3      2 & 3       2 & 3       2 & 3      2 & 3

  Note: Pins designated should be in closed position.

                  DRAM JUMPER CONFIGURATION (CON’T)

  Setting       JP6        JP7         JP8         JP9       JP10

  Bank 0/1     1 & 2      1 & 2       1 & 2       1 & 2      1 & 2

  Bank 1/3     2 & 3      2 & 3       2 & 3       2 & 3      2 & 3

  Note: Pins designated should be in closed position.