Re: Fast Writes & SBA - What are these things?
Fast Writes and Sideband Addressing are two agp related features. In the past they were quite unstable but these days the options should work fine but they don't help performance very much.
Don't draw conclusions out of a glxgears test. It isn't really meant as a benchmark. If you get a score > 1000 (and you have a "good" videocard) then it basicly tells you if hw accelerated 3d is enabled. The score you get really doesn't say anything. Check performance in real games (quake3, ut2004 ..). If those games are playable then performance is ok at the moment. Don't compare your framerate with windows (yet) or with slower nvidia cards as the performance of the latest drivers sucks a bit on GeforceFX cards.