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post #2511 of 8112
Yes thats right for the HT.
Temps look about right if you have cool & quite and APM enabled with a decent cooler un-overclocked.
post #2512 of 8112
Quote:
Originally Posted by bmgjet View Post

Yes thats right for the HT.
Temps look about right if you have cool & quite and APM enabled with a decent cooler un-overclocked.

I do have very excellent air cooling, but...

How can my idle temps of 5 to 9'C be less than my ambient temps, which are about 20 to 22'C. My case temps are usually around 25'C or so.

I think the load temps of 26'C are possible, but I'm very skeptical. I'm going to be doing extensive overclocking and benching next week so I'd hate to be doing it blind. But maybe the load temps are right, and it is simply very cool at stock with my good air cooling.

My BIOS does not have an APM option, perhaps because it is a 890FX.
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post #2513 of 8112
Sounds like the mobo needs a BIOS update. Most of the mobo makers are still sorting BIOS settings on the FX model CPUs. Idle temps can't be lower than ambient and no one's CPU actually operates at those temps.
Edited by AMD4ME - 12/31/11 at 12:12am
post #2514 of 8112
Quote:
Originally Posted by damric View Post

I do have very excellent air cooling, but...
How can my idle temps of 5 to 9'C be less than my ambient temps, which are about 20 to 22'C. My case temps are usually around 25'C or so.
I think the load temps of 26'C are possible, but I'm very skeptical. I'm going to be doing extensive overclocking and benching next week so I'd hate to be doing it blind. But maybe the load temps are right, and it is simply very cool at stock with my good air cooling.
My BIOS does not have an APM option, perhaps because it is a 890FX.

This is normal for core temps. Most programs show this. The temps are not accurate until under load. AOD is horrible with this. The best thing I do for mine is use HW Monitor and use the socket temp more than the core temps. Everyone has had this problem. When at idle shows really low temps. These are not accurate at low temps like this. AOD is not accurate under load either. Use HW Monitor and use the core and socket temps. This is normal. You do want to make sure that you have updated bios but this is not the problem to your concern. This is nothing to worry about but like I said, for more accurate reading use HW Monitor. The temps become more accurate when underload. I have seen my core temps below 0C sometimes. All normal. Dont use AOD though. Temps are way off.
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post #2515 of 8112
Look up the definition of AMD core temp. It has little to do with actual temperatures. Basically it's the temperature from an on die sensor scaled such that the maximal chip temperature (process dependent) always maps to 70. That's a good thing since you don't have to wonder what the limit for your particular CPU (batch) is as the limit is always 70 on this scale, for any current AMD CPU.
Since maximum operating chip temperature is around 90C these days it'll read about 20C low, that's why it shows lower than ambient at idle.
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post #2516 of 8112
AMD has its internal sensor to be most accurate around 40c and up. That's why it reads odd at idle. Its normal and if I remember amd actually recommends coretemp
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post #2517 of 8112
Quote:
Originally Posted by rrohbeck View Post

Look up the definition of AMD core temp. It has little to do with actual temperatures. Basically it's the temperature from an on die sensor scaled such that the maximal chip temperature (process dependent) always maps to 70. That's a good thing since you don't have to wonder what the limit for your particular CPU (batch) is as the limit is always 70 on this scale, for any current AMD CPU.
Since maximum operating chip temperature is around 90C these days it'll read about 20C low, that's why it shows lower than ambient at idle.

This information is incorrect. Yes AMD uses a scaler for temp. but the temps are correct and neither 70C not 90C is the max temp for all AMD CPUs as they vary considerably from 62C upwards depending on model. While some of the temp. monitoring software has not been updated for the FX CPUs, no CPU can operate at temps. below ambient with air cooling.
post #2518 of 8112
Core-Temps on AMD cpus refer to a scale that is not Celsius. It just so happens that its value of 40 is really close to 40c.
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post #2519 of 8112
If the temp monitoring software uses the correct scaler then you get the correct temps in Celsius. If not you obviously get incorrect temps. This ain't rocket science, it's standard industry thermal measurement.
post #2520 of 8112
Quote:
Originally Posted by mikezachlowe2004 View Post

...make sure that you have the ram speeds low to overclock. Then I would try leaving HT and NB at auto or maybe x10 for NB and x11 for HT. I usually get good results with these settings. I do have to
You said you took the voltage of your 8150 chip to 1.7v? What kind of cooling were you using? I have taken mine up to 1.6v but I am kinda of iffy about going any higher.
Hope I could help... Let us know how everything goes.
Thanks

Thanks Mike. Always great info. It turns out that my issue was because I left PCI-E on auto. with it manually set to 100mhz I can boot fine at 250FSB. The only time I took my CPU to 1.7v was when I was doing outside overclocking (Winter -10). I had the Multi to 25 and the FSB to 208 to get 5.2Ghz. I needed 1.7v to run Cinebench. I get way lower temps and Voltage using FSB as well. Thanks for the tips
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