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Ran OCCT 4.4.0. Core#0 shot up to 127C

post #1 of 7
Thread Starter 
So I'm running OCCT 4.4.0 on my new system and after 5 min. OCCT stops and says max temperature reached so it auto stops the program. Turns out that Core0 shot up to 127C all of a sudden. Is this just an anomaly or should I be worried?

System Spec:
4670K
MSI z87-g45 gaming
Hyper 212 EVO
8GB G. Skill 2400
W7 Pro 64-bit

Here's a graph of what happened http://i.imgur.com/0sOpKbX.png
post #2 of 7
This happened at stock clocks?

EDIT: Clearly it did.
Edited by trojan92 - 10/14/13 at 1:54pm
Ivy-E Defined
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Ivy-E Defined
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post #3 of 7
Looks like OCCT is having issues actually reading your core temp, download HWInfo64 and find the appropriate core sensors yourself, check and see what they actually say.

Also, FYI you should untick the "AVX" box in OCCT if it has one. Unless you set manual voltage, AVX benchmarks automatically boosts core voltage by 0.1v above whatever you set it, combine that with linpack (OCCT's benchmark) and you get a HUGE spike in temps. Your CPU will never come close to that kind of workload in real life.
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post #4 of 7
Thread Starter 
What's weird is that prior to it shooting up, OCCT reports a constant 4C on Core0, while HWMonitor has it around 60C. Also, Task Manager reports 100% CPU Usage on all 4 cores while OCCT reports 86% throughout the whole test.
post #5 of 7
Quote:
Originally Posted by jumpman View Post

So I'm running OCCT 4.4.0 on my new system and after 5 min. OCCT stops and says max temperature reached so it auto stops the program. Turns out that Core0 shot up to 127C all of a sudden. Is this just an anomaly or should I be worried?

System Spec:
4670K
MSI z87-g45 gaming
Hyper 212 EVO
8GB G. Skill 2400
W7 Pro 64-bit

Here's a graph of what happened http://i.imgur.com/0sOpKbX.png
Quote:
Originally Posted by jumpman View Post

What's weird is that prior to it shooting up, OCCT reports a constant 4C on Core0, while HWMonitor has it around 60C. Also, Task Manager reports 100% CPU Usage on all 4 cores while OCCT reports 86% throughout the whole test.

Well don't be worried, your cpu is not actually at 127c....
OCCT as mentioned is not reading the correct temperature from your sensors.
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BSOD Macheen
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post #6 of 7
Thread Starter 
Quote:
Originally Posted by brucethemoose View Post

Looks like OCCT is having issues actually reading your core temp, download HWInfo64 and find the appropriate core sensors yourself, check and see what they actually say.

Also, FYI you should untick the "AVX" box in OCCT if it has one. Unless you set manual voltage, AVX benchmarks automatically boosts core voltage by 0.1v above whatever you set it, combine that with linpack (OCCT's benchmark) and you get a HUGE spike in temps. Your CPU will never come close to that kind of workload in real life.

Where do I set the AVX? I only see an AVX option in the CPU: LINPACK test and not in CPU: OCCT section. My VID does increase to 1.220V occasionally from 1.152V when testing.
post #7 of 7
Quote:
Originally Posted by jumpman View Post

Where do I set the AVX? I only see an AVX option in the CPU: LINPACK test and not in CPU: OCCT section. My VID does increase to 1.220V occasionally from 1.152V when testing.

I think it's only on option in the linpack test, but 1.220V is nothing to worry about biggrin.gif However, it could give you the false impression of stability if you aren't giving your CPU enough non-avx voltage for the frequency.

Personally, I just disable speedstep, lock the voltage manually, and enable C-states so my chip will still throttle down at idle, run at full speed otherwise, but won't overvolt itself during AVX workloads.
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Bruce
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