ATI Technologies GL 8800 Reference, Checking for address and interrupt conflicts, I/O Address

44 Reference

Checking for address and interrupt conflicts

•It is necessary to ensure that the I/O and memory addresses reserved for the graphics board are not used by other hardware devices.

•The integrated on-board VGA controller of your Fire GL 8800 uses the following addresses (hex):

I/O Address:

Standard VGA I/O: 3B0-3DF

Memory Addresses:

Video RAM: A000-BFFF

Video ROM: C000-C7FF

Note: You cannot change the addresses of your Fire GL 8800. In case of an address conflict, try to modify the I/O address of the add-on card that causes the conflict.

Resolving Interrupt Conflicts

To support the special graphics processor on the Fire GL 8800 the system BIOS should automatically assign a system interrupt to the AGP slot where the card is installed. However, there may be problems if your graphics card does not receive an interrupt or a system interrupt is used for more than one device. In case of problems check the system configuration utility of your operating system for the interrupt assignments.