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# THOMSON
EGA
Category Video
Video Types Supported EGA/Monochrome
Video Processor Unidentified
Highest Resolution Supported 640 x 350
Data Bus Type 8-bit ISA
Memory Type DRAM
Maximum Onboard Memory 256KB
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| 15-pin analog | CN1 | RCA connector | CN3 |
| video port | | | |
|-------------------+----------+------------------+----------|
| RCA connector | CN2 | InPort interface | CN4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Port | P1 |
|----------------------------+-------------------------------|
| » | 3xx | Pins 2 & 3 closed |
|---+------------------------+-------------------------------|
| | 2xx | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SLOT LOCATION CONFIGURATION |
|------------------------------------------------------------|
| Setting | P2 |
|-------------------------------------+----------------------|
| » | Card in not installed in slot 8 | Pins 2 & 3 closed |
|---+---------------------------------+----------------------|
| | Card is installed in slot 8 | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INPORT INTERFACE CONFIGURATION |
|------------------------------------------------------------|
| Setting | P3 |
|----------------------------------+-------------------------|
| » | Enabled | Closed |
|------+---------------------------+-------------------------|
| | Disabled | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INPORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | P4 |
|----------------------------+-------------------------------|
| » | 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MONITOR TYPE SELECTION |
|------------------------------------------------------------|
| Type | P5 |
|----------------------------------------+-------------------|
| » | Enhanced color or/Auto-scanning | Pins 1 & 2 closed |
| | display | |
|---+------------------------------------+-------------------|
| | IBM monochrome/IBM color display | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INPORT INTERFACE SELECTION |
|------------------------------------------------------------|
| Setting | P6 |
|----------------------------+-------------------------------|
| » | Primary | Pins 2 & 3 closed |
|---+------------------------+-------------------------------|
| | Secondary | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DUAL MONITOR CONFIGURATION |
|------------------------------------------------------------|
| Primary | Secondary | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
| (Thompson | | | | | |
| EGA) | | | | | |
|--------------+-------------+-------+-------+-------+-------|
| Monochrome | Color 40 x | Off | On | Off | On |
| | 25 | | | | |
|--------------+-------------+-------+-------+-------+-------|
| Monochrome | Color 80 x | Off | On | Off | Off |
| | 25 | | | | |
|--------------+-------------+-------+-------+-------+-------|
| Color 40 x | Monochrome | On | Off | Off | On |
| 25 | | | | | |
|--------------+-------------+-------+-------+-------+-------|
| Color 80 x | Monochrome | On | Off | Off | Off |
| 25 | | | | | |
|--------------+-------------+-------+-------+-------+-------|
| CGA 320 x | Monochrome | Off | On | On | On |
| 200 | | | | | |
|--------------+-------------+-------+-------+-------+-------|
| EGA 640 x | Monochrome | Off | On | On | Off |
| 350 | | | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DUAL MONITOR CONFIGURATION |
|------------------------------------------------------------|
| Primary | Secondary | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
| | (Thompson | | | | |
| | EGA) | | | | |
|-------------+--------------+-------+-------+-------+-------|
| Color 40 x | Monochrome | On | Off | On | On |
| 25 | | | | | |
|-------------+--------------+-------+-------+-------+-------|
| Color 80 x | Monochrome | On | Off | On | Off |
| 25 | | | | | |
|-------------+--------------+-------+-------+-------+-------|
| Monochrome | Color 40 x | On | On | On | On |
| | 25 | | | | |
|-------------+--------------+-------+-------+-------+-------|
| Monochrome | Color 80 x | On | On | On | Off |
| | 25 | | | | |
|-------------+--------------+-------+-------+-------+-------|
| Monochrome | CGA 320 x | On | On | Off | On |
| | 200 | | | | |
|-------------+--------------+-------+-------+-------+-------|
| Monochrome | EGA 640 x | On | On | Off | Off |
| | 350 | | | | |
+------------------------------------------------------------+