Tom's Hardware > Forum > Motherboards & Memory > Asus > NB(Northbridge) and SB(Southbridge) voltages going crazy

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

Forum Motherboards & Memory : Asus - NB(Northbridge) and SB(Southbridge) voltages going crazy

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Retro Alfa   09-28-2009 at 05:34:02 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)

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r_manic   09-29-2009 at 06:00:57 AM
- 0 +

Tried a CMOS reset?

------------------------------ Desktop | E7300 | P5KPL-AM | 2GB DDR2 667MHz | NVIDIA 9500 GT | ST3320613AS | w2228h
XPS M1330 | T8300 | Dell 0U8042 | 2GB DDR2 800MHz | NVIDIA 8400M GS | WD2500BEVS-75US | 1280 x 800
 Reply to r_manic
rand_79   09-29-2009 at 08:36:47 AM
- 0 +

sounds like a cheapo power supply problem

Message quoted 1 times
Reply to rand_79
anort3   09-29-2009 at 09:25:24 AM
- 0 +

rand_79 wrote :

sounds like a cheapo power supply problem


+1 Especially with 4 hard drives.

------------------------------ EP-45 UD3R/ E8400@3.6 wZerotherm Nirvana/4gb Corsair DDR2-800/EVGA 9800GTX+/Corsair 750TX/2xWD Black AALS 640gb RAID 0+1 Windows 7/2xWD Cavier 250gb RAID 0 Windows XP Pro/Seagate 160gb Backup/X-Fi Xtreme Gamer/Logitech Z-2300/Samsung SynchMaster 906BW
 Reply to anort3
Retro Alfa   09-29-2009 at 02:56:56 PM
- 0 +

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?

Reply to Retro Alfa
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