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All clock speeds and cpu voltage jumping

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  • Stress Test
  • CPUs
Last response: in CPUs
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April 12, 2014 4:13:36 PM

Hello, i was stress testing my system with prime95 and all the clock speeds started doing crazy leaps up and down. The cpu clock was jumping between 3 and 5ghz, bus and ht link as well as ram and nb clocks were all doing the same. The cpu voltage was jumping between 1,25-1,38V. The cpu is running at stock speeds and was maxing out at 53C. The utilization stayed at full 100% for the entire test. My motherboard is a Gigabyte ga-990fxa ud3. The system seems stable and solid, only the readings are going crazy under load.

More about : clock speeds cpu voltage jumping

a c 393 à CPUs
April 12, 2014 4:30:10 PM

Turn off power saving options and load line calibration. What are the rest of your components? CPU, GPU, PSU?
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April 12, 2014 4:51:14 PM

It seems it's only happening with prime95. With wprime for example the readings stay normal.
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a c 393 à CPUs
April 12, 2014 10:51:39 PM

Well, you want those off anyway.
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