We just have our 3d speeds set in the BIOS, no manual overdrive intervention needed. It's the "new" overdrive crap in 7.12 and up that messes with modded BIOSes.
ATI Tool is flaky. I'm glad it works for you, but I don't have the same experience. Besides, being as anal as I am about performance, the fewer apps the better.
honestly after i spent all this time working this out, im back on 7.11 as 8.1 gave me a 200 point hit in performance (3dmark06). i A-B'd them last night and this morning with the same results.
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