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BIOS temps vs CoreTemp and HWMonitor readings

Last response: in Motherboards
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September 27, 2010 9:17:49 PM

Rebuild finished, Win 7 64-bit installed, drivers updated and all seems to be working fine. Actually posting this from new build. I downloaded and ran CoreTemp (64-bit) and HWMonitor (64-bit) to check temperatures and voltages. I'm a little confused about the readings they produced as opposed to the readings in PC Health in the BIOS.

BIOS temps are System temp = 40C, CPU = 44C (at this writing). Both CoreTemp and HWMonitor show CPU temps in the 30-32C range. Which are to be believed? Also, in HWMonitor, there are readings for TMPIN0, TMPIN1 and TMPIN2. I've done a little searching around and there are varying opinions as to what these readings relate to (case temp, core temp, NB temp, etc.). Anyone have a definitive answer?





GA-MA785GM-US2H (rev.3.3) BIOS version F11
Athon II X2 250 (Regor) 3.0 Ghz CPU
Corsair 2x1 GB DDR2 PC-6400 Dual Channel memory CL5 (5-5-5-18)
Rosewill 430W 80 Plus Certified Single Rail 12V PSU
I'm using the onboard VGA, ATI Radeon 4200
Windows 7 64-bit Home Premium

BTW, thanks to all who helped getting this up and running!

Best solution

a c 716 V Motherboard
September 27, 2010 10:09:30 PM

The Apps are monitoring different components from the BIOS:
1. Core Temp: http://www.alcpu.com/forums/viewtopic.php?f=63&t=892
2. HW Monitor - http://www.cpuid.com/softwares/hwmonitor/supported-hard...

TMPIN0-2 are AMD references the socket temp.
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September 27, 2010 11:17:15 PM

Thanks for the reply. I'm just surprised there is a 12 degree Celsius difference between what the BIOS says the CPU temp is and what the apps are reporting. I prefer the apps readings myself! ;)  Which do you think is more accurate?

I've just been into the BIOS and was watching the +12v voltage switch between 12.175 and 12.239. Is that normal or cause for concern? In the same context, how do the voltages as reported by HWMonitor look?
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a c 716 V Motherboard
September 27, 2010 11:42:50 PM

NB can go up to 105C {221F}, so there's an entire spectrum of "normal" temps. CPU @ stress 50C-65C is the primary concern.
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October 5, 2010 4:28:46 AM

Best answer selected by highcountryrider.
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