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NB(Northbridge) and SB(Southbridge) voltages going crazy

Last response: in Motherboards
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September 28, 2009 3:34:02 PM

Ok,this is the problem.

I have pc probe II,and almost every time I start CPU-Z, SB and NB voltages going crazy for a sec or two,and sometimes just randomly goes up and I have to restart my PC.


I have O.C my PC from 2.5 GHz to 3.0 GHz stable, prime95 3 hours,and all my voltages are set to manual,so how can they spike from time to time.


Loadline calibration is disabled.
With the stock values I have the same problem.
Is there any other software that measures voltages on a motherboard ?


System info:

Motherboard: Asus Rampage formula
Processor: E5200 @2.5 Ghz Overclocked @ 3.0 Ghz
Memory:Kingston 2GB DDR2 1066 HyperX
Hard Drive:320 GB WD + 640 GB WD + 500 GB WD +320 GB WD
Graphics Card: ATI X1800 512 MB DDR3
PSU:Be quiet 500w
OS: Win 7 + XP SP3 (Dual boot)
a b V Motherboard
September 29, 2009 4:00:57 AM

Tried a CMOS reset?
September 29, 2009 6:36:47 AM

sounds like a cheapo power supply problem
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a b Ĉ ASUS
a c 194 V Motherboard
September 29, 2009 7:25:24 AM

rand_79 said:
sounds like a cheapo power supply problem

+1 Especially with 4 hard drives.
September 29, 2009 12:56:56 PM

Tried a CMOS reset?

yes,no effect.

Especially with 4 hard drives.

Ok,will try with just one drive.

Thanks for the suggestion people

Is there any other software that measures voltages on the motherboard?
!