BOCA RESEARCH, INC.
DUAL GRAPHICS ADAPTER (DGA002)
| 
 Card Type  | 
 Parallel/Video card  | 
| 
 Video Chip Set  | 
 Unidentified  | 
| 
 Highest Resolution Supported  | 
 720 x 348  | 
| 
 Maximum Video Memory  | 
 None  | 
| 
 Data Bus  | 
 8-bit ISA  | 
| 
 Video Types Supported  | 
 Monochrome, CGA  | 
| 
 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  | |