TMC RESEARCH CORPORATION

PAT3XCA

Processor         80386SX
Processor Speed   16MHz
Chip Set          NEAT
Max. Onboard DRAM 8MB
Cache             None
BIOS              Unidentified
Dimensions        330mm x 215mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            J2       Speaker                     J13

  Reset switch                J11      Power LED & keylock         J14

  Turbo LED                   J12      Turbo switch                J15

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Battery type select internal            JP1           pins 1 & 2
                                                              closed

      Battery type select external            JP1              Open

  »   BIOS type select 27256                  JP2           pins 2 & 3
                                                              closed

      BIOS type select 27128                  JP2           pins 1 & 2
                                                              closed

  »   Monitor type select color               JP4             Closed

      Monitor type select monochrome          JP4              Open

  »   NPU disabled                            JP7             Closed

      NPU enabled                             JP7              Open

  »   Pipeline mode enabled                   JP8             Closed

      Pipeline mode disabled                  JP8              Open

  »   Factory configured - do not             JP10             N/A
      alter

  »   Factory configured - do not              W1              N/A
      alter

  »   Factory configured - do not              W2              N/A
      alter

                            DRAM CONFIGURATION

  Size     Bank 0   Bank 1   Bank 2   Bank 3  Bank 4A   Bank 4B   PARITY

  512KB     (2)     NONE     NONE     NONE     NONE      NONE      NONE
           256K x
             9

  512KB    NONE     NONE     NONE     NONE      (4)      NONE       (2)
                                               44256               41256

   1MB      (2)      (2)     NONE     NONE     NONE      NONE      NONE
           256K x   256K x
             9        9

   1MB      (2)     NONE     NONE     NONE      (4)      NONE       (2)
           256K x                              44256               41256
             9

   1MB     NONE     NONE      (2)     NONE      (4)      NONE       (2)
                             256K x            44256               41256
                               9

   1MB     NONE     NONE     NONE     NONE      (4)       (4)       (4)
                                               44256     44256     41256

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

   2MB     (2) 1M   NONE     NONE     NONE     NONE      NONE      NONE
            x 9

   2MB      (2)      (2)     NONE     NONE      (4)       (4)       (4)
           256K x   256K x                     44256     44256     41256
             9        9

   2MB     NONE     NONE      (2)      (2)      (4)       (4)       (4)
                             256K x   256K x   44256     44256     41256
                               9        9

   3MB     (2) 1M   NONE     NONE     NONE      (4)       (4)       (4)
            x 9                                44256     44256     41256

   3MB     NONE     NONE     (2) 1M   NONE      (4)       (4)       (4)
                              x 9              44256     44256     41256

   4MB     (2) 1M   (2) 1M   NONE     NONE     NONE      NONE      NONE
            x 9      x 9

   5MB      (2)      (2)     (2) 1M   (2) 1M   NONE      NONE      NONE
           256K x   256K x    x 9      x 9
             9        9

   5MB     (2) 1M   (2) 1M   NONE     NONE      (4)       (4)       (4)
            x 9      x 9                       44256     44256     41256

   5MB     NONE     NONE     (2) 1M   (2) 1M    (4)       (4)       (4)
                              x 9      x 9     44256     44256     41256

   6MB     (2) 1M   (2) 1M   (2) 1M   NONE     NONE      NONE      NONE
            x 9      x 9      x 9

   7MB     (2) 1M   (2) 1M   (2) 1M   NONE      (4)       (4)       (4)
            x 9      x 9      x 9              44256     44256     41256

   8MB     (2) 1M   (2) 1M   (2) 1M   (2) 1M   NONE      NONE      NONE
            x 9      x 9      x 9      x 9

            Note: In configurations in which only one of banks 0 and 1 or
            2 and 3 are installed, memory will not be interleaved and
            will operate with wait states.

                        DIP DRAM BANK CONFIGURATION

  Bank     Bank       RN1            RN2           RN6           RN18
   4A      4B

  Bank     Bank    Installed         Not        Installed         Not
   0        1                     installed                   installed

  Bank     Bank        Not        Installed        Not        Installed
   2        3      installed                    installed