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Windows 7: Sheesh, could it just be my chip? (Temperature)

12 Mar 2013   #21
essenbe

Windows 7 Enterprise X64/Windows 10 Enterprise X64/Windows 10 Pro X64/Linux Mint
 
 

Kbrady is right. Today most chips will throttle down or completely shut down if the max CPU temp is reached. However, I would not go there. Sorry, but I just don't trust such things. If mine gets close to max, I will stop it.


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12 Mar 2013   #22
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Odd statement about AMD, I have a Phenom, well two of them, and I can see temps for each core, one 4 and one 6 core.

Erick, I have got my Intel CPU to 100C and it had throttled itself at about 75C. That was 1C below TJmax but I can't run it at as high a clock as when it was new. I also have a 16C difference between the cores when stressing it.
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12 Mar 2013   #23
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Yes Steve I know what you mean and I did some further reading last might and it would appear that the thermo diode is actually part of the silicon chip structure.

Yes KB that throttling effect is not only for stopping a "melt down" but also if you read that article I posted monitors the point at which the chip stops functioning properly (transistors, resistors, caps - circuitry wise) to put it as simple as that.

This I found when working with dedicated transistors years ago - there comes a point where the temp changes the characteristics of the transistor function for example whether it conducts or not and I had many explode on me so hence I guess why they include those diodes into the chips.

Problem is the info is very hard to find.
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12 Mar 2013   #24
essenbe

Windows 7 Enterprise X64/Windows 10 Enterprise X64/Windows 10 Pro X64/Linux Mint
 
 

from what I have read, the info comes from those diodes in raw format, meaning nothing unless you know the algorithm to use. For some strange reason, neither Intel or AMD will tell the temp monitoring companies what the algorithm is. So, they have to figure it out themselves, which is not easy and also why I don't completely trust any of them. From everything I have read, no matter what temp monitoring program you use, the idle temps are usually way off but the higher the temp goes the closer to being correct it is. I presume the reason for that is even if you know the algorithm, the diode info only tells the distance to Max temp.

The thing about CPUs and temps is they act completely different under cold temps. When overclocking with ln2, Sandy Bridge would not boot unless the FSB (or whatever they call it now) was over 106, Ivy Bridge is supposedly better. Ram acts different too. And the CPU's under normal cooling function better under lower temps and suffer less leakage. No matter what voltage you set in bios, the CPU never sees that much, there is supposedly leakage where a small part of that voltage goes to other components. But the lower the temps, the lower the leakage. Many high end overclockers say that with sandy and Ivy Bridge, the CPU voltage does not matter, only temps matter.

@Gary, that was a quote from the FAQ at core temp.
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12 Mar 2013   #25
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

It's all above my pay grade I am now thinking.
Not trying to be an ass or argumentative, but here's Core Temp fomr one AMd machine. Maybe they meant the 1st gen Phenom.

Sheesh, could it just be my chip? (Temperature)-untitled.png


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12 Mar 2013   #26
essenbe

Windows 7 Enterprise X64/Windows 10 Enterprise X64/Windows 10 Pro X64/Linux Mint
 
 

Gary, I am only reporting what Core Temp said, I didn't say it. If you look at your screenshot, it is showing frequency for each core but only 1 temp.
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12 Mar 2013   #27
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

yup, you're right. Actually I had noticed before it only showed the Core 0 temp. I'm getting too old for thinking.
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12 Mar 2013   #28
essenbe

Windows 7 Enterprise X64/Windows 10 Enterprise X64/Windows 10 Pro X64/Linux Mint
 
 

That's why I just report what I read. I'm too old to think. Besides, it hurts!
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12 Mar 2013   #29
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Well it is going a bit over my head too Gary if that is of any consolation -mind you it doesn't have far to go LOL!!

I was just thinking maybe the diode is embedded in the centre of the cores - after all we are talking extremely small structures here eh?

Like anything else with any of the hardware stuff one could go on forever and either get no real answer or consensus as to what is happening I suppose after all is said and done the thing is going to shut down hopefully before it melts eh?
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12 Mar 2013   #30
essenbe

Windows 7 Enterprise X64/Windows 10 Enterprise X64/Windows 10 Pro X64/Linux Mint
 
 

I've always thought (there I go again) that with one diode it would measure Tcase (the temp in the center of the CPU) With all cores showing temps it would be showing TJ Max (T Junction, the temp of each core). Of course, when I think I usually get in trouble.
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 Sheesh, could it just be my chip? (Temperature)




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