Using Gainward ExperTool in Vista
 

Forget about nTune, used Gainward Expertool in Window Vista? According to NVNEWS, it says that some users have success controlling the GPU clock, memory and fan speed on NVIDIA-based graphic card running in under Windows Vista (Works in Vista 32bit and Vista 64bit when driver signing is disabled).

http://starboykb.blogspot.com/2007/0...-in-vista.html