UNIDENTIFIED
H-EGA CARD
|
Category |
Video card |
|
Video Type |
EGA/Monochrome |
|
Video Processor |
Unknown |
|
Highest Resolution Supported |
800 x 600 |
|
Data Bus Type |
8-bit ISA |
|
Memory Type |
DRAM |
|
Maximum Onboard Memory |
64KB (Location unknown) |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
9-pin analog video port |
CN1 |
Light pen connector |
CN4 |
|
RCA connector 1 |
CN2 |
Feature connector |
CN5 |
|
RCA connector 2 |
CN3 | ||
|
MONITOR TYPE SELECT | |||||
|
Type |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
J2 |
|
Monochrome |
Off |
Off |
On |
Off |
Pins 1 & 2 closed |
|
Standard RGB |
Off |
Off |
Off |
On |
Pins 1 & 2 closed |
|
Enhanced RGB |
Off |
On |
On |
Off |
Pins 2 & 3 closed |
|
Note: For EGA mode, SW1/5 should be set in the Off position. For compatible operation SW1/5 should be on. | |||||
|
DISPLAY CONFIGURATION | ||||||
|
Primary Monitor |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
J2 |
|
40 column standard RGB/Comp |
On |
Off |
On |
Off |
Off |
Pins 1 & 2 closed |
|
80 column standard RGB/Comp |
Off |
Off |
On |
Off |
Off |
Pins 1 & 2 closed |
|
Note: These settings apply when the EGA card is used with an IBM color/graphics display, with EGA primary. | ||||||
|
DISPLAY CONFIGURATION | ||||||
|
Primary Monitor |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
J2 |
|
40 column standard RGB/Comp |
On |
On |
Off |
On |
Off |
Pins 1 & 2 closed |
|
80 column standard RGB/Comp |
Off |
On |
Off |
On |
Off |
Pins 1 & 2 closed |
|
Note: These settings apply when the EGA card is used with an IBM color/graphics display, with CGA primary. | ||||||
|
DISPLAY CONFIGURATION | ||||||
|
Primary Monitor |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
J2 |
|
40 column standard RGB |
On |
Off |
Off |
On |
Off |
Pins 1 & 2 closed |
|
48 column standard RGB |
Off |
Off |
Off |
On |
Off |
Pins 1 & 2 closed |
|
200 line enhanced RGB |
On |
On |
On |
Off |
Off |
Pins 2 & 3 closed |
|
350 line enhanced RGB |
Off |
On |
On |
Off |
Off |
Pins 2 & 3 closed |
|
Note: These settings apply when the EGA card is used with an IBM monochrome display, with EGA primary. | ||||||
|
DISPLAY CONFIGURATION | ||||||
|
Primary Monitor |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
J2 |
|
40 column standard RGB |
On |
On |
On |
On |
Off |
Pins 1 & 2 closed |
|
80 column standard RGB |
Off |
On |
On |
On |
Off |
Pins 1 & 2 closed |
|
200 line enhanced RGB |
On |
Off |
On |
On |
Off |
Pins 2 & 3 closed |
|
350 line enhanced RGB |
Off |
Off |
On |
On |
Off |
Pins 2 & 3 closed |
|
Note: These settings apply when the EGA card is used with an IBM monochrome display, with monochrome primary. | ||||||
|
FACTORY CONFIGURED SETTINGS | |
|
Jumper |
Setting |
|
J1 |
Pins 1 & 2 closed |