Next up is the AGP settings tool:
This one is more for troubleshooting. You'll be able to force things like
fast writes, sideband addressing and your AGP rate. Here's what it looks like:

Mine is all set to where they should be by default. If I was having stability
issues I could turn things down a bit.
Fast Writes is a
feature which accelerates memory write transactions from the chipset to the AGP
device.
Sideband Adressing provides additional channels for transmitting data
requests between the graphics processor and the system.
I don't want to go into too much more detail about these in this article.
Stayed tuned for an article that covers this kind of thing.
The other Panel called refresh rate overrides I don't really have much to say about... Anybody want to tell ME more about it?