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# 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
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-----------------------+-------+--------------------+-------|
| Composite video/Pin 4 | J1 | Feature Connector | J4 |
| Feature Connector | | | |
|-----------------------+-------+--------------------+-------|
| Pin 5 Feature | J2 | Light pen | P1 |
| Connector | | | |
|-----------------------+-------+--------------------+-------|
| 9-pin digital video | J3 | Composite video | P2 |
| port | | output | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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. |
+------------------------------------------------------------+