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# MATROX GRAPHICS, INC.
MGA ULTIMA/IMPRESSION
Category Video
Video Types XVGA
Supported
Video Processor MGA
Highest 1600 X 1200
Resolution
Supported
Data Bus Type 16-bit ISA, (32-bit VESA Local Bus, MCA on
Impression only)
Memory Type VRAM
Maximum Onboard 3072KB (MGA Ultima can only support 2048KB)
Memory
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+------------+---------------+------------|
| 15-pin analog | CN1 | VGA feature | CN3 |
| video port | | connector | |
|------------------+------------+---------------+------------|
| Mouse/LaserPro | CN2 | VideoPro | CN4 |
| port | | connector | |
|------------------------------------------------------------|
| Note: The LaserPro port allows you to connect a LaserPro |
| printer accelerator card. The VideoPro module is only |
| available on the MGA Impression |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE MEMORY ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | SW1/1 | SW1/2 | SW1/3 |
|------------------------+-----------+-----------+-----------|
| » | AC000h - | Off | On | On |
| | AFFFFh | | | |
|-------+----------------+-----------+-----------+-----------|
| | C8000h - | On | Off | On |
| | CBFFFh | | | |
|-------+----------------+-----------+-----------+-----------|
| | CC000h - | Off | Off | On |
| | CFFFFh | | | |
|-------+----------------+-----------+-----------+-----------|
| | D0000h - | On | On | Off |
| | D3FFFh | | | |
|-------+----------------+-----------+-----------+-----------|
| | D4000h - | Off | On | Off |
| | D7FFFh | | | |
|-------+----------------+-----------+-----------+-----------|
| | D8000h - | On | Off | Off |
| | DBFFFh | | | |
|-------+----------------+-----------+-----------+-----------|
| | DC000h - | Off | Off | Off |
| | DFFFFh | | | |
|------------------------------------------------------------|
| Note: VL-versions of the MGA cannot be installed at the |
| AC000h memory address. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VGA CONFIGURATION |
|------------------------------------------------------------|
| VGA | SW1/4 |
|---------------------------------+--------------------------|
| » | Enabled | Off |
|---+-----------------------------+--------------------------|
| | Disabled | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT MODE SELECTION |
|------------------------------------------------------------|
| Mode | SW1/5 |
|-----------------------------------+------------------------|
| » | 8-bit boot | On |
|---+-------------------------------+------------------------|
| | 16-bit boot | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SYNC TYPE SELECTION |
|------------------------------------------------------------|
| Type | SW1/6 |
|-----------------------------------+------------------------|
| » | Separate Sync | On |
|---+-------------------------------+------------------------|
| | Composite Sync | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| DMA | SW1/7 | SW1/8 | SW1/9 | SW1/10 |
|-------------------+---------+---------+---------+----------|
| » | Disabled | Off | Off | Off | Off |
|-----+-------------+---------+---------+---------+----------|
| | 7 | Off | Off | On | On |
|-----+-------------+---------+---------+---------+----------|
| | 6 | On | On | Off | Off |
|------------------------------------------------------------|
| Note: Switches 7 - 10 are only found on the MGA |
| Impression. |
+------------------------------------------------------------+