THOMSON
EGA ULTRA
|
Category |
Video |
|
Video Types Supported |
CGA/EGA/Monochrome |
|
Video Processor |
Unidentified |
|
Highest Resolution Supported |
640 x 350 |
|
Data Bus Type |
8-bit ISA |
|
Memory Type |
DRAM |
|
Maximum Onboard Memory |
256KB |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
15-pin analog video port |
CN1 |
RCA connector |
CN3 |
|
RCA connector |
CN2 |
VGA feature connector |
CN4 |
|
OUTPUT SIGNAL SELECTION | ||
|
Setting |
P2 | |
| » |
Composite video out |
Pins 2 & 3 closed |
|
VGA feature connector |
Pins 1 & 2 closed | |
|
FEATURE CONNECTOR CONFIGURATION | ||
|
Setting |
P4 | |
| » |
Disabled |
Closed |
|
Enabled |
Open | |
|
INPORT INTERRUPT SELECTION | ||
|
IRQ |
P3 | |
| » |
2 |
Pins 1 & 2 closed |
|
3 |
Pins 3 & 4 closed | |
|
4 |
Pins 5 & 6 closed | |
|
5 |
Pins 7 & 8 closed | |
|
10 |
Pins 9 & 10 closed | |
|
11 |
Pins 11 & 12 closed | |
|
12 |
Pins 13 & 14 closed | |
|
15 |
Pins 15 & 16 closed | |
|
Note: IRQ10, 11, 12 and 15 are reserved for future use. | ||
|
DUAL MONITOR CONFIGURATION | |||||
|
Primary (Thompson EGA) |
Secondary |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
Monochrome |
Color 40 x 25 |
On |
Off |
On |
Off |
|
Monochrome |
Color 80 x 25 |
Off |
Off |
On |
Off |
|
Color 40 x 25 |
Monochrome |
On |
Off |
Off |
On |
|
Color 80 x 25 |
Monochrome |
Off |
Off |
Off |
On |
|
CGA 320 x 200 |
Monochrome |
On |
On |
On |
Off |
|
EGA 640 x 350 |
Monochrome |
Off |
On |
On |
Off |
|
DUAL MONITOR CONFIGURATION | |||||
|
Primary |
Secondary (Thompson EGA) |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
Color 40 x 25 |
Monochrome |
On |
On |
Off |
On |
|
Color 80 x 25 |
Monochrome |
Off |
On |
Off |
Off |
|
Monochrome |
Color 40 x 25 |
On |
On |
On |
On |
|
Monochrome |
Color 80 x 25 |
Off |
On |
On |
On |
|
Monochrome |
CGA 320 x 200 |
On |
Off |
On |
On |
|
Monochrome |
EGA 640 x 350 |
Off |
Off |
On |
On |
THOMSON
EGA ULTRA
. . . continued from previous page
|
MONITOR CONFIGURATION | ||||
|
Type |
P1 |
SW2/1 |
SW2/2 |
SW2/3 |
|
Monochrome w/gray scale |
Pins 2 & 3 color |
On |
On |
On |
|
Monochrome w/o gray scale |
Pins 2 & 3 color |
Off |
On |
On |
|
Color display |
Pins 2 & 3 color |
On |
On |
Off |
|
Enhanced color display |
Pins 1 & 2 closed |
Off |
On |
Off |
|
Fixed or Auto scanning color |
Pins 1 & 2 closed |
On |
Off |
Off |
|
FONT TYPE SELECT | ||
|
Type |
SW2/switch 4 | |
| » |
Normal Color font 7hx7v double dot |
Off |
|
Alternate color font 7hx5v single dot |
On | |
|
POWER UP MODE | |||||
|
Mode |
SW3/1 |
SW3/2 |
SW3/3 |
SW3/4 |
SW3/5 |
|
MDA |
On |
On |
On |
Off |
On |
|
HGC |
On |
On |
On |
On |
On |
|
CGA |
On |
On |
Off |
On |
On |
|
EGA |
On |
On |
Off |
Off |
On |
|
IBM MAINBOARD SETTINGS | ||
|
IBM-XT system |
SW3/switch 5 |
SW3/switch 6 |
|
MDA |
Off |
Off |
|
HGC |
Off |
Off |
|
CGA |
On |
Off |
|
EGA |
On |
On |
|
INPORT INTERFACE PRIMARY/SECONDARY | |||
|
InPort interface |
SW3/switch 6 |
SW3/switch 7 | |
| » |
Primary |
On |
On |
|
Secondary |
Off |
On | |
