Atitool 022 HAS a bug !
Frozen is so true! I tried the find maxcore function from Atitool today and almost killed my Radeon 9550SE. At about 430 core freq the tool didnt update the actual core freq anymore but went ahead with testing until I had massive artifacts all over the screen. I turned my computer off and let it cool down, started new with that artifacts still and when it reached Windows all was good again. Just a warning : Dont use findmax and go away from your computer - it seems to be bugged !