TMC RESEARCH CORPORATION

JATO 286+

Processor         80286
Processor Speed   10/12/16/20MHz
Chip Set          LSI
Max. Onboard DRAM 8MB
Cache             None
BIOS              Unidentified
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80287

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Turbo LED                   J1       Serial port 1               J6

  Power LED & keylock         J2       External battery            J8

  Speaker                     J3       Reset switch                JP1

  Serial port 2               J4       Reset switch                JP5

  Parallel port               J5

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   NPU clock speed select CPU clock        JP2           pins 1 & 2
                                                              closed

      NPU clock speed select OSC1             JP2           pins 2 & 3
                                                              closed

  »   BIOS type select 27128                  JP3           pins 1 & 2
                                                              closed

      BIOS type select 27256                  JP3           pins 2 & 3
                                                              closed

  »   Power good signal detect from           JP4           pins 2 & 3
      board                                                   closed

      Power good signal detect from           JP4           pins 1 & 2
      power supply                                            closed

  »   Monitor type select color               JP6             Closed

      Monitor type select monochrome          JP6              Open

  »   Battery type select internal            JP7             Closed

      Battery type select external            JP7              Open

  »   Parallel port enabled                   JP8              Open

      Parallel port disabled                  JP8             Closed

  »   Serial port 2 enabled                   JP9              Open

      Serial port 2 disabled                  JP9             Closed

  »   Serial port 1 enabled                   JP10             Open

  »   Serial port 1 disabled                  JP10            Closed

      Factory configured - do not             JP11             Open
      alter

  Note: The location of JP6 is unidentified.

                       DRAM CONFIGURATION (OPTION 1)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

    512KB        (18) 41256        NONE           NONE           NONE

    640KB        (18) 41256      (18) 4164        NONE           NONE

     1MB         (18) 41256     (18) 41256        NONE           NONE

     2MB         (18) 41256     (18) 41256      (2) 256K x    (2) 256K x
                                                    9             9

     4MB        (18) 411000     (18) 411000       NONE           NONE

     5MB        (18) 411000     (18) 411000     (2) 256K x    (2) 256K x
                                                    9             9

     8MB        (18) 411000     (18) 411000    (2) 1M x 9     (2) 1M x 9

                       DRAM CONFIGURATION (OPTION 2)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

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

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

     2MB         (18) 41256     (18) 41256      (2) 256K x    (2) 256K x
                                                    9             9

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

     5MB         (18) 41256     (18) 41256     (2) 1M x 9     (2) 1M x 9

     5MB        (18) 411000     (18) 411000     (2) 256K x    (2) 256K x
                                                    9             9

     8MB        (18) 411000     (18) 411000    (2) 1M x 9     (2) 1M x 9

                        DRAM RESISTOR CONFIGURATION

    Size         AR23            AR24           AR25            AR26

  Option 1     Installed      Installed          Not        Not Installed
                                              Installed

  Option 2        Not             Not         Installed       Installed
               Installed      Installed

                    DRAM RESISTOR CONFIGURATION (CON’T)

    Size         AR27            AR28           AR29            AR30

  Option 1        Not             Not         Installed       Installed
               Installed      Installed

  Option 2     Installed      Installed          Not        Not Installed
                                              Installed