Originally Posted by drdeathx
OK, lets get this straight. You do not need 1.375 on the NB. I clocked Phenom II's to 4.7GHz and used 1.35 volts on the CPU/NB. Don't get those 2 confused. 1.3-1.35 volts should do the trick on CPU/NB and play with your vcore.
My bad, I meant 1.375 on the CPUNB. I didn't add any voltage to the NB. Motherboard has 1.30 and 1.375 as settings for CPUNB, so its either one or the other. I added a pusher fan 120mm behind the socket (blowing at back of motherboard) and it seems to help a bit as well.