Northbridge a bit too hot for overclock

Prehistoricman

Honorable
Jul 28, 2012
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0
10,520
AMD FX 6350 (+7% at 4.2GHz)
AMD Radeon HD 6850 (OC 840 core and 1100 memory + cooling)
Biostar TA970

I've been stable on FurMark + Prime95 for about an hour now. However, this is my issue: http://prntscr.com/29qqru/direct (the CPU temp is probably unreliable: http://prntscr.com/29qs26/direct)

Temp3 is probably the Northbridge (very hot to the touch). Temp2 is either socket or Southbridge. Both Temp1s are CPU.

I emailed Biostar support about the high temps and go no reply. Exactly the same service ASRock gave me. (Any manufacturers that actually reply to emails?)

82 degrees worries me. For now, I can only think of customising the cooler for much better cooling, or decreasing the voltage/clock of the NB. I've tried placing a fan next to the cooler that came with the motherboard, but that was at full speed (noisy) and was still too high.

What is my best bet?
 

Prehistoricman

Honorable
Jul 28, 2012
20
0
10,520


So what would be a max temperature you would want the Southbridge to be?