Exactly. I, personally, have never had a problem so i leave it on. However there is a 0% performance delta. I assume there might be one if you are HEAVILY using the AGP aperture.
It was said to be for older mobos, which were so slow they had to bypass the sytem ram, on a N-Force mobo you can have it on or off, you see little or no difference in benches, if it dont give you probs leave it on, i read ATI users on NF3 esp have to turn it off.
I think it means GPU <-- RAM transfers without going through the CPU. The only time I saw it make a difference was when playing HD WMV videos. With FW enabled, my AXP/9800p system played it without a hitch, but with FW off it skipped a bunch of frames.
as most people have stated...I've never seen any performance gains from having it on. But I've read about better overclocks with it off (although I've never seen any differences). AGP aperture is different though. I've read that some people have had better luck with only 128mb agp aperture, while I seem to have better performance from 256mb.
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