It is necessary to make sure that all I/O and memory addresses reserved for the graphics board are not used by other hardware devices.
Your board uses the following addresses:
I/O addresses:
Standard VGA I/O 3B0-3DF
Graphics Engine x2E8-x2EA
Memory addresses:
Video RAM A000-BFFF
Video ROM C000-C7FF
Note:
Please note that some fax and modem cards also use the address 2E8 (COM#4). In this case deactivate COM#4 and use another address for the corresponding hardware device.