Ah I forgot about that one, but isn't RivaTuner only for GPU's.
It's okay. I have used Rivatuner before and it worked great. I wish they made smartguardian for 64bit windows, that worked great. Wonder if it would work again. Still haven't found anything that works. It makes me seriously think that its no possible to control the speed. It just doesn't make sense that in 2005 I can get a fan and mobo that controls speed, but in 2009, with same fan brand and superior motherboard, I can't do it. Seems odd. I emailed Zalman customer support to see what they can do.