Quote Originally Posted by KTE View Post
Changing NB VID/CPU VID is impossible for me past one value either side. Maybe that's what limits it all.
VIDs are locked upwards, for Phenom 9500 the Max VID (for CPU and CPU NB) is 1.2500V. So this is the highest you can adjust via PStates menu.

There are ways to get over maxVID of course (some boards implement VID override, some implement VID offset).
Good old volt modding can save your day too