NB(Northbridge) and SB(Southbridge) voltages going crazy Tags: Asus Motherboards Last response: September 29, 2009 12:56 PM in Motherboards Share Retro Alfa 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) More about : northbridge southbridge voltages crazy r_manic a b V Motherboard September 29, 2009 4:00:57 AM Tried a CMOS reset? rand_79 September 29, 2009 6:36:47 AM sounds like a cheapo power supply problem Related resources program to read voltages ( nb, sb, ram ) - Forum Can't find your answer ? Ask ! Get the answer anort3 a b Ĉ ASUS a c 196 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. Retro Alfa 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? Can't find your answer ? Ask ! Publish Read discussions in other Motherboards categories BIOS Boot Chipsets ASRock Asus Chaintech DFI Elitegroup FIC Foxconn Gigabyte Intel MSI-Microstar !