TELEVIDEO SYSTEMS, INC.

TELECAT-286

Processor              80286
Processor Speed        6/8MHz
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 1MB
Maximum Video Memory   None
Cache                  None
BIOS                   Unidentified
Dimensions             355mm x 304mm
I/O Options            Parallel port, serial port, VGA port
NPU Options            80287

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Parallel port               CN1      Speaker                     CN3

  Serial port                 CN2      External battery            J20

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

  »   Factory configured - do not          SW1/1              Off
      alter

  »   Monitor type select monochrome       SW1/2              Off

      Monitor type select color            SW1/2              On

  »   Factory configured - do not          SW1/5         Unidentified
      alter

  »   Factory configured - do not          SW1/6         Unidentified
      alter

  »   Factory configured - do not          SW1/7         Unidentified
      alter

      Battery enabled                      SW1/8              On

      Battery disabled                     SW1/8              Off

                       DRAM CONFIGURATION

    Size        Bank 0       Bank 1      Bank 2       Bank 3

    256KB     (9) 41256       None        None         None

    512KB     (9) 41256    (9) 41256      None         None

    640KB     (9) 41256    (9) 41256    (9) 4164     (9) 4164

     1MB      (9) 41256    (9) 41256    (9) 41256    (9) 41256

  Note: The location of the banks are unidentified.

  DRAM SWITCH CONFIGURATION

   Size     SW1/3     SW1/4

  256KB       On       On

  512KB      Off       On

  640KB       On       Off

   1MB       Off       Off

                            NPU SPEED SELECTION

           Speed                     W9                      W10

           4MHz               Pins 2 & 3 closed       Pins 1 & 2 closed

          4.77MHz             Pins 1 & 2 closed       Pins 1 & 2 closed

          5.33MHz             Pins 2 & 3 closed       Pins 1 & 2 closed

    Custom (supplied by              N/A              Pins 2 & 3 closed
           user)

                              BIOS SELECTION

           Type                      W3                      W4

  »        32KB BIOS          Pins 2 & 3 closed       Pins 1 & 2 closed

          128KB BIOS          Pins 1 & 2 closed       Pins 2 & 3 closed

                PARALLEL PORT SELECTION

          Setting                       W2

       Set as port 1         Pins 1 & 2, 3 & 4 closed

       Set as port 2         Pins 5 & 6, 7 & 8 closed

                 SERIAL PORT SELECTION

          Setting                       W1

       Set as port 1         Pins 1 & 2, 3 & 4 closed

       Set as port 2         Pins 5 & 6, 7 & 8 closed