BOCA RESEARCH, INC.

DUAL GRAPHICS ADAPTER (DGA002)

Card Type                  Parallel/Video card
Video Chip Set             Unidentified
Highest Resolution         720 x 348
Supported
Maximum Video Memory       None
Data Bus                   8-bit ISA
Video Types Supported      Monochrome, CGA

[Image]

                                CONNECTIONS

          Function            Label            Function             Label

  15-pin video analog port     CN1     25-pin parallel port         CN2

                            VIDEO CONFIGURATION

                  Type                                  J3/A

  »               Monochrome                  Pins 1 & 3, 2 & 4 closed

            Monochrome CGA display            Pins 3 & 5, 2 & 4 closed

                     CGA                      Pins 3 & 5, 4 & 6 closed

                   Disabled                   Pins 1 & 3, 4 & 6 closed

                      PARALLEL PORT ADDRESS SELECTION

                Setting                                J3/B

  »              LPT1 (378h)                 Pins 1 & 3, 2 & 4 closed

                 LPT2 (278h)                 Pins 1 & 3, 4 & 6 closed

                 LPT3 (3BCh)                 Pins 3 & 5, 2 & 4 closed

                  Disabled                   Pins 3 & 5, 4 & 6 closed