UNIDENTIFIED
EGA EXTRA
|
Card Type |
Video card |
|
Video Chip Set |
Unidentified |
|
Maximum Video Memory |
256KB VRAM |
|
Video Types Supported |
Monochrome, CGA, EGA, VGA |
|
Highest Resolution Supported |
800 x 600 |
|
Data Bus |
8-bit ISA |
|
CONNECTIONS | |
|
Function |
Label |
|
9-pin digital video port |
CN1 |
|
BASE I/O ADDRESS SELECTION | ||
|
Setting |
JP2 | |
| » |
3xxH |
Open |
|
2xxH |
Closed | |
|
SCAN RATE SELECTION | ||
|
Rate |
Label |
Position |
|
Emulation mode enabled |
SW1/5 |
On |
|
Emulation mode disabled |
SW1/5 |
Off |
|
200 double scan lines enabled |
SW1/6 |
On |
|
200 double scan lines disabled |
SW1/6 |
Off |
|
DISPLAY SETTINGS AS PRIMARY ADAPTER | |||||
|
SETTING |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
JP1 |
|
Mono/Hercules (80x25) |
Off |
Off |
On |
Off |
Pins 2 & 3 closed |
|
Mono/Hercules (40x25) |
On |
Off |
On |
Off |
Pins 2 & 3 closed |
|
CGA (80X25) |
Off |
Off |
Off |
On |
Pins 1 & 2 closed |
|
CGA (40X25) |
On |
Off |
Off |
On |
Pins 1 & 2 closed |
|
EGA (640X350) |
Off |
On |
On |
Off |
Pins 1 & 2 closed |
|
EGA (320X200) |
On |
On |
On |
Off |
Pins 1 & 2 closed |
|
DISPLAY SETTINGS AS SECONDARY ADAPTER | |||||
|
SETTING |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
JP1 |
|
Mono/Hercules (80x25) |
Off |
On |
Off |
On |
Pins 2 & 3 closed |
|
Mono/Hercules (40x25) |
On |
On |
Off |
On |
Pins 2 & 3 closed |
|
CGA (80X25) |
Off |
On |
On |
On |
Pins 1 & 2 closed |
|
CGA (40X25) |
On |
On |
On |
On |
Pins 1 & 2 closed |
|
EGA (640X350) |
Off |
Off |
On |
On |
Pins 1 & 2 closed |
|
EGA (320X200) |
On |
Off |
On |
On |
Pins 1 & 2 closed |
