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Vcore spiking from .85 V to 1.24

Last response: in Overclocking
September 16, 2012 6:25:21 PM

This new i7 3930 build has been shutting down like someone yanked the plug out of it. Event viewer shows Kernel-Power crashes.. one or two every couple days.

I’ve been watching my Vcore voltage and it runs at 0.853 V with a spike to 1.24 V once or twice a minute. All of my other voltage values are straight lines.

Should Vcore bounce around depending on a load or is this power supply wonky?

Screencap of the graph:

More about : vcore spiking

a b K Overclocking
September 16, 2012 11:38:36 PM

The V-core and frequency should go up and down according to load. (Unless you have disabled all the power saving functions)
September 19, 2012 12:19:55 AM


Thanks for that.
a b K Overclocking
September 19, 2012 2:43:40 AM

No Problem.