DTK COMPUTER. INC.

PTI-206A EGA PRINTER

Card Type                  Parallel card, Video card
Video Chip Set             Unidentified
Highest Resolution         720 x 350
Supported
Maximum Video Memory       256KB RAM (type unidentified)
Data Bus                   8-bit ISA
Video Types Supported      EGA

[Image]

                                CONNECTIONS

       Function          Label         Function              Label

  Feature connector        J4      25-pin parallel          Location
                                   port                  unidentified

  Light Pen Interface      P2      9-pin digital            Location
                                   video port            unidentified

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

  »    Secondary red output on pin 2 of the      P1          Pins 1 & 2
       direct drive interface connector is                    closed
       for use of an enhanced color monitor

       Pin 2 of the direct drive interface       P1          Pins 2 & 3
       connector connected to the ground is                   closed

       for use of a color monitor

  »    EGA addresses selected at 3XX             P3          Pins 1 & 2
                                                              closed

       EGA addresses selected at 2XX (not        P3          Pins 2 & 3
       supported by BIOS)                                     closed

  »    Factory configured - do not alter        SW1/5           On

  »    Factory configured - do not alter        SW1/6           On

                        PARALLEL PORT CONFIGURATION

        Setting               JP3              JP4              JP10

  »         LPT1             Closed          Closed             Open

            LPT2              Open           Closed            Closed

          Disabled            N/A             Open              N/A

                    EGA ADAPTER CONFIGURATION (PRIMARY)

   Enhanced     Monochrome     Color      SW1/1   SW1/2    SW1/3   SW1/4

     Color      Secondary       N/A        On      Off     Off       On
    Display
    40x25

     Color      Secondary       N/A        On      Off     Off      Off
    Display
    80x25

   Emulation    Secondary       N/A       Off      On       On       On
     mode

   High Res.    Secondary       N/A       Off      On       On      Off
     Mode

  Monochrome       N/A       Secondary    Off      On      Off       On
                               40x25

  Monochrome       N/A       Secondary    Off      On      Off      Off
                               80x25

                   EGA ADAPTER CONFIGURATION (SECONDARY)

   Enhanced     Monochrome     Color    SW1/1    SW1/2    SW1/3    SW1/4

     Color       Primary        N/A       On       On       On       On
    Display
    40x25

     Color       Primary        N/A       On       On       On      Off
    Display
    80x25

   Emulation     Primary        N/A       On       On      Off       On
     mode

   High Res.     Primary        N/A       On       On      Off      Off
     Mode

  Monochrome       N/A        Primary     On      Off       On       On
                               40x25

  Monochrome       N/A        Primary     On      Off       On      Off
                               80x25

                   MISCELLANEOUS TECHNICAL NOTES

            Note: The purpose of SW1/7 and SW1/8 is unidentified.