I have overclocked my 920 to 4Ghz as per Jasonelmore settings in Post #3. I am getting high temperatures on the Southbridge and Northbridge. What are the acceptable temperatures for the CPU, Southbridge and Northbridge etc? Thanks.

Intel i7 920 @ 4.0GHz
Asus Rampage Extreme 2 Motherboard (Bios 1104)
9GB Corsair Dominator 1600Mhz DDR3 Memory
Quad SLI EVGA GTX 295 Graphics Cards
Lian Li PC-80 Case
CoolIt Domino ALC CPU Cooler
300GB Western Digtal VelociRaptor Hard Drive
250GB Western Digital Hard Drive
250GB Western Digital Hard Drive
Thermaltake Toughpower 1200W
LG Blue-Ray Drive
Samsung DVD Re-Writer