You should be able to change your FSB from 100 to 133. You will either have jumpers, a switch or you can change the setting in the bios. It depends on your board. Your owners manual should tell you how.
Check out this link:
http://forums.amd.com/index.php?showtopic=965' ">http://forums.amd.com/index.php?showtopic=965
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Folding for Team #34106' ">http://forums.amd.com/index.php?showforum=27