BOCA RESEARCH, INC.

DUAL GRAPHICS ADAPTER

Card Type

Video card

Video Chip Set

Unidentified

Highest Resolution Supported

720 x 348

Maximum Video Memory

Unidentified

Data Bus

8-bit ISA/16-bit ISA

Video Types Supported

MDA, CGA

CONNECTIONS

Function

Label

Function

Label

Parallel port

CN1

Video port

CN2

DISPLAY CONFIGURATION

Display

Printer

J1

»

Auto switching dual graphics configuration

3BCh

Pins 2 & 3, 5 & 6 closed

 

Monochrome configuration

3BCh

Pins 1 & 2, 5 & 6 closed

 

Fixed color graphics configuration

378h

Pins 2 & 3, 4 & 5 closed

 

Fixed color graphics configuration

Disabled

Pins 1 & 2, 4 & 5 closed

MISCELLANEOUS TECHNICAL NOTES

Note: The purpose of JP1 is unidentified.