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What exactly is System temp?

Last response: in CPUs
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June 19, 2010 5:04:46 AM

So for the longest time, I had thought 'System temp" to be the ambient temperature inside my case.
I noticed it was at 36c today, so I stuck my hand behind my case, it was NOT 36c. more like 21-25c.
I played some games, noticed it went up to around 50c(cpu temp was 43c). It dissipated within about 5-10 mins, so again, I doubt it was ambient temp.

Then I checked bios - Indeed, my CPU is running a good 3-10c colder than my "System temp"

So what's the culprit here? Is my system temp sensor not ambient case temp? Is it a bad sensor?
Is my CPU sensor bad?

Confused is me.

EDIT: Also, for what it's worth, my case has a vent near the cpu with a circular metal thing that leads the air directly into the CPU. Could this be the cause?

More about : system temp

a c 203 à CPUs
June 19, 2010 5:15:20 AM

More than likely something on your motherboard is getting warm.
You'd need to know where your motherboards system temp probe is located to figure out more.
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June 19, 2010 5:16:01 AM

WR2 said:
More than likely something on your motherboard is getting warm.
You'd need to know where your motherboards system temp probe is located to figure out more.


It's a ga-ma790GPT-UD3h if this helps anyone.
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a c 207 à CPUs
June 19, 2010 5:20:08 AM

What program are you using to monitor your temperatures? If it is consistently slightly warmer than your CPU i would say your two options are that its your northbridge temp or its the CPU socket temp.
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June 19, 2010 5:24:24 AM

hunter315 said:
What program are you using to monitor your temperatures? If it is consistently slightly warmer than your CPU i would say your two options are that its your northbridge temp or its the CPU socket temp.


I've used open hardware monitor, HWmonitor, and my bios.
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a b à CPUs
June 19, 2010 9:00:28 PM

System temp is the motherboard temperature, it may be taken at PWM or Chipset or anyplace the manufacturer chose to put the sensor.
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