
BOCA RESEARCH, INC.

DUAL GRAPHICS ADAPTER

Card Type                   Video card
Video Chip Set              Unidentified
Highest Resolution          720 x 348
Supported
Maximum Video Memory        Unidentified
Data Bus                    8-bit ISA/16-bit ISA
Video Types Supported       MDA, CGA

[Image]

                                CONNECTIONS

          Function             Label           Function             Label

  Parallel port                CN1     Video port                   CN2

                           DISPLAY CONFIGURATION

             Display                    Printer                J1

         Auto switching dual            3BCh           Pins 2 & 3, 5 & 6
        graphics configuration                               closed

       Monochrome configuration          3BCh           Pins 1 & 2, 5 & 6
                                                             closed

         Fixed color graphics            378h           Pins 2 & 3, 4 & 5
            configuration                                    closed

         Fixed color graphics          Disabled         Pins 1 & 2, 4 & 5
            configuration                                    closed

             MISCELLANEOUS TECHNICAL NOTES

            Note: The purpose of JP1 is unidentified.

