
TMC RESEARCH CORPORATION

PAT38XPL

Processor         80386SX
Processor Speed   16/20/25MHz
Chip Set          OPTI
Max. Onboard DRAM 12MB
Cache             None
BIOS              AMI
Dimensions        231mm x 218mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                Location

  External battery         J8         Reset switch        J17 pins 9 & 19

  Speaker             J17 pins 1 -    IDE LED in           J17 pins 10 &
                           4                                    20

  Turbo switch        J17 pins 7 &    Power LED &          J17 pins 11 -
                           17         keylock                   15

  Turbo LED           J17 pins 8 &    IDE LED out               J18
                           18

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select color                JP1            Closed

      Monitor type select monochrome           JP1             Open

     CMOS memory normal operation             JP2           pins 2 & 3
      (internal battery)                                      closed

      CMOS memory normal operation             JP2             Open
      (external battery at J8)

      CMOS memory clear                        JP2           pins 1 & 2
                                                              closed

                            DRAM CONFIGURATION

  Size      Bank 0       P-0       Bank 1      P-1       Bank 2   Bank 3

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

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

   1MB        (4)        (2)         (4)        (2)      NONE      NONE
            44256       41256      44256      41256

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

   2MB        (4)        (2)         (4)        (2)       (2)       (2)
            44256       41256      44256      41256      256K x    256K x
                                                           9         9

   2MB        (4)        (2)        NONE       NONE      NONE      NONE
            441000     411000

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

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

   3MB        (4)        (2)        NONE       NONE       (2)       (2)
            441000     411000                            256K x    256K x
                                                           9         9

   4MB        (4)        (2)         (4)        (2)      NONE      NONE
            441000     411000      441000     411000

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

   5MB        (4)        (2)         (4)        (2)      (2) 1M    (2) 1M
            44256       41256      44256      41256       x 9       x 9

   5MB        (4)        (2)         (2)        (2)       (2)       (2)
            441000     411000      411000     411000     256K x    256K x
                                                           9         9

   6MB        (4)        (2)         (4)        (2)      (2) 1M    NONE
            441000     411000      441000     411000      x 9

   6MB        (4)        (2)        NONE       NONE      (2) 1M    (2) 1M
            441000     411000                             x 9       x 9

   8MB        (4)        (2)         (4)        (2)      (2) 1M    (2) 1M
            441000     411000      441000     411000      x 9       x 9

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

  12MB        (4)        (2)         (4)        (2)      (2) 4M    NONE
            441000     411000      441000     411000      x 9

                   DRAM RESISTOR CONFIGURATION

         Size          RA1A, RA2A, & RA3A    RA1B, RA2B, & RA3B

        512KB               Installed           Not installed

        512KB             Not installed           Installed

         1MB                Installed           Not installed

         1MB              Not installed           Installed

         2MB                Installed           Not installed

         2MB                Installed           Not installed

         2MB              Not installed           Installed

         3MB                Installed           Not installed

         3MB              Not installed           Installed

         4MB                Installed           Not installed

         4MB              Not installed           Installed

         5MB                Installed           Not installed

         5MB              Not installed           Installed

         6MB                Installed           Not installed

         6MB              Not installed           Installed

         8MB                Installed           Not installed

         9MB                Installed           Not installed

         12MB               Installed           Not installed

