UNIDENTIFIED
EGA-PC/D SM
|
Category |
Video |
|
Video Types Supported |
CGA, monochrome, EGA |
|
Video Processor |
Unidentified |
|
Highest Resolution Supported |
800 x 600 |
|
Data Bus Type |
8-bit ISA |
|
Memory Type |
DRAM |
|
Maximum Onboard Memory |
Unidentified |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
9-pin digital video port |
CN1 |
VESA Feature connector |
J1 |
|
RCA video connector |
CN2 |
Replaceable oscillator |
OSC3 |
|
RCA video connector |
CN3 | ||
|
FACTORY CONFIGURED SETTINGS | |
|
Jumper |
Setting |
|
SW1/7 |
Off |
|
SW1/8 |
Off |
|
MONITOR TYPE | ||
|
Setting |
P1 | |
|
ECD |
Pins 2 & 3 closed | |
|
RGB or monochrome |
Pins 1 & 2 closed | |
|
I/O ADDRESS RANGE | ||
|
ADDRESS RANGE |
P3 | |
|
3xxh |
Pins 2 & 3 closed | |
|
2xxh |
Pins 1 & 2 closed | |
|
AUTOMODE | |||
|
Setting |
P4 |
P6 | |
|
Enabled |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
|
Disabled |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
|
EXPANSION SLOT SELECTION | ||
|
Type |
P5 | |
|
Other |
Pins 1 & 2 closed | |
|
IBM PC slot 8 |
Pins 2 & 3 closed | |
|
SINGLE MONITOR CONFIGURATIONS | |||||
|
Setting |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 | |
|
ECD high resolution |
Off |
On |
On |
Off | |
|
RGB 40 x 25 |
On |
Off |
Off |
On | |
|
RGB 80 x 25 |
Off |
Off |
Off |
On | |
|
ECD low resolution |
On |
On |
On |
Off | |
|
Monochrome |
Off |
Off |
On |
Off | |
|
CARD ATTACHED TO PRIMARY MONITOR CONFIGURATIONS | |||||
|
Primary/Secondary Monitor |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 | |
|
ECD high resolution/monochrome |
Off |
On |
On |
Off | |
|
RGB 40 x 25/monochrome |
On |
Off |
Off |
On | |
|
RGB 80 x 25/monochrome |
Off |
Off |
Off |
On | |
|
ECD low resolution/monochrome |
On |
On |
On |
Off | |
|
Monochrome/RGB 80 x 25 |
Off |
Off |
On |
Off | |
|
Monochrome/RGB 40 x 25 |
On |
Off |
On |
Off | |
|
CARD ATTACHED TO SECONDARY MONITOR CONFIGURATIONS | ||||
|
Primary/Secondary Monitor |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
RGB 40 x 25/monochrome |
On |
On |
Off |
On |
|
RGB 80 x 25/monochrome |
Off |
On |
Off |
On |
|
Monochrome/ECD low resolution |
On |
Off |
On |
On |
|
Monochrome/ECD high resolution |
Off |
Off |
On |
On |
|
Monochrome/RGB 40 x 25 |
On |
On |
On |
On |
|
Monochrome/RGB 80 x 25 |
Off |
On |
On |
On |
|
POWER-ON MODE | |||
|
Resolution/Monitor type |
SW1/5 |
SW/6 | |
|
EGA/all |
On |
On | |
|
MDA-Hercules/ECD-monochrome |
Off |
On | |
|
CGA/ECD-RGB |
On |
Off | |
|
MISCELLANEOUS NOTES |
|
OSC3 must be replaced with a 19.5 MHz oscillator when the card is configured for Hercules mode. |
|
OSC3 must be removed when the VESA feature connector (J1) is used. |