MATROX GRAPHICS, INC.
MGA ULTIMA/IMPRESSION
Category |
Video |
Video Types Supported |
XVGA |
Video Processor |
MGA |
Highest Resolution Supported |
1600 X 1200 |
Data Bus Type |
16-bit ISA, (32-bit VESA Local Bus, MCA on Impression only) |
Memory Type |
VRAM |
Maximum Onboard Memory |
3072KB (MGA Ultima can only support 2048KB) |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
15-pin analog video port |
CN1 |
VGA feature connector |
CN3 |
Mouse/LaserPro port |
CN2 |
VideoPro connector |
CN4 |
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 - AFFFFh |
Off |
On |
On | |
C8000h - CBFFFh |
On |
Off |
On | |
CC000h - CFFFFh |
Off |
Off |
On | |
D0000h - D3FFFh |
On |
On |
Off | |
D4000h - D7FFFh |
Off |
On |
Off | |
D8000h - DBFFFh |
On |
Off |
Off | |
DC000h - DFFFFh |
Off |
Off |
Off | |
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. |