ATI TECHNOLOGIES, INC.
EGA WONDER (VER. 2)
|
Card Type |
Video card |
|
Video Chip Set |
Unidentified |
|
Highest Resolution Supported |
800 x 600 |
|
Maximum Video Memory |
256KB |
|
Data Bus |
8-bit ISA |
|
Video Types Supported |
Monochrome, CGA, EGA |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
Composite video/Pin 4 Feature Connector |
J1 |
Feature Connector |
J4 |
|
Pin 5 Feature Connector |
J2 |
Light pen |
P1 |
|
9-pin digital video port |
J3 |
Composite video output |
P2 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
Enhanced features, enable |
SW1/8 |
On | |
|
Enhanced features, disabled |
SW1/8 |
Off | |
| » |
Port address 3xx |
P6 |
Pins 2 & 3 closed |
|
Port address 2xx |
P6 |
Pins 1 & 2 closed | |
| » |
Video Clock- on board oscillator |
P7 |
Pins 1 & 2 closed |
|
Feature Connector ‘EXTOSC’ signal |
P7 |
Pins 2 & 3 closed | |
| » |
Sync selection- horizontal |
P8 |
Pins 1 & 2 closed |
|
Sync selection- composite |
P8 |
Pins 2 & 3 closed | |
| » |
J1 connected to composite sync |
P9 |
Pins 2 & 3 closed |
|
J1 connected with J4 pin4 |
P9 |
Pins 1 & 2 closed | |
|
DISPLAY CONFIGURATION | |||||
|
Type |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 | |
|
MDA |
Off |
Off |
On |
Off | |
|
CGA (40x25) |
On |
Off |
Off |
On | |
|
CGA (80x25) |
Off |
Off |
Off |
On | |
| » |
EGA (normal) |
On |
On |
On |
Off |
|
EGA (enhanced) |
Off |
On |
On |
Off | |
|
MONITOR SELECTION | |||
|
Type |
SW1/5 |
SW1/6 |
SW1/7 |
|
Multisync |
On |
Off |
On |
|
Enhanced graphics |
On |
Off |
Off |
|
RGB Color |
On |
On |
Off |
|
Monochrome |
Off |
On |
Off |
|
25KHz (color 1) |
Off |
Off |
On |
|
Composite |
On |
On |
Off |
|
Not used |
Off |
Off |
Off |
|
DISPLAY MODE SELECTION (EGA WONDER PRIMARY) | ||||||
|
Primary |
Secondary |
Monitor |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
MDA |
CGA, 80x25 |
MD |
Off |
Off |
On |
Off |
|
EGA, 80x25 |
MDA |
ECD |
Off |
On |
On |
Off |
|
CGA, 80x25 |
MDA |
CD |
On |
On |
On |
Off |
|
CGA, 80x25 |
MDA |
CD |
Off |
Off |
Off |
On |
|
CGA, 40x25 |
MDA |
CD |
On |
Off |
Off |
On |
|
DISPLAY MODE SELECTION (EGA WONDER SECONDARY) | ||||||
|
Primary |
Secondary |
Monitor |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
CGA, 80x25 |
MDA |
MD |
Off |
On |
Off |
On |
|
CGA, 40x25 |
MDA |
MD |
On |
On |
Off |
On |
|
MDA |
EGA, 80x25 |
ECD |
Off |
Off |
On |
On |
|
MDA |
CGA, 80x25 |
CD |
On |
Off |
On |
On |
|
MDA |
CGA, 80x25 |
CD |
Off |
On |
On |
On |
|
MDA |
CGA, 40x25 |
CD |
On |
On |
On |
On |
|
MISCELLANEOUS TECHNICAL NOTES |
|
Note: DRAM bank identified for location only. Chip size is unidentified. |