yes as far as I could tell, I could be a clueless but I installed the hotfix and suddenly my screens quit locking up in fallout3 after a few hours. I next augmented that with adding some more air flow over the ati cards, the processor is water cooled limiting how much air flow I focused on. The ati cards need decent air flow or you'll be sorry.
Also, I get some wicked artifacts in some games, could have been heat related as I haven't seen any since.
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