Crrust

I think that earlier versions of the E4500 were L2 stepping but either way you are good. Both steppings have a Tjunc Max of 100C. Edit: You are right there were no E4500 with L2 Stepping.

Good to hear about the board. I just RMA'd my P5B-Deluxe and have my choice of boards in the $180 price range. Have been considering the DS4 and the IP35Pro. I do not have any experience with Abit so I am not sure about it. My wife's rig has a DS3L board in it and I love it so I was really leaning toward Gigabyte. Anyway thanks for the input. Looking forward to seeing how you come out tonight.

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GigaByte

This is idle @ 1.2Ghz with 0.9 vcore, ambients are 21c. So far Tcase looks good, but whats with Tjunction? Its below ambients and Tcase is supposed to be lower than Tjunction:



So what I did was this:

1. Record hottest core in Speedfan which is core 0. Its at 19c.
2. In Crystal CPUID selected the proper core (1/2) I clicked on function > MSR Editor
3. I typed in 0x19c in the MSR number field then clicked RDMSR.
4. Recorded the 5th and 6th numbers under EAX (0-31) which was 42.
5. Windows calc > Hex > Qword
6. Typed in 42 and clicked Dec.
7. Result was 66, I subtracted 66 from 100 (Tjunction Max) and got 34.

So does this mean my Tjunction temps are misread and should be 34c? Seems warm for such a big underclock and 0.90 vcore. But the guide says Tjunction should be +10c from ambient +/- 3, so thats really 7c - 13c above ambient and mine is exactly 13c above ambient according to the calculation I just did. Is this correct and I should set the offset for Tjunction before I contiune?

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Crrust

Looks like that is exactly what you need to do. 34C idle even with that underclock is normal considering the relationship between Ambient, Tcase, and Tjunc. Ambient --> +1C --> Tcase --> +10C +/-3C --> Tjunc.
I would bet that even with your OC settings the Tjunc at idle will not be more than a degree or two above that. I think once you offset the Tjunc temps you are good to go to move on to the load test. You should see a constant delta between Tcase and Tjunc of 10C +/- 3C, and a delta of 20C - 25C between Tjunc Idle and Tjunc load.

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Crrust

A quick afterthought. Once you offset your Tjunc you should see your core temps reported in Coretemp +/- 1C from what you see in Speedfan. This is not in the guide but it holds true for both of my systems.

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GigaByte

Load:



So my temps are now proper? Or something else needs to be done?

EDIT: Coretemp still shows Tjunction 15c lower than Speedfan.

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Crrust

Looks golden to me. Grats on calibrating your temps You can rest easy knowing that your temps are accurate. Now lets see what they look like OC'd.

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GigaByte

Tcase is below spec, and cores will throttle at 95c if they are to ever get that high. So its all good?

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Crrust

You are definitely in the Hot zone:

Your temps are certainly below max spec but I wonder...

Do the temps displayed in Coretemp match what you are now seeing in Speedfan?

What vcore are you running at?

I would really like to see if we can get those temps down into the Warm zone.

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GigaByte

No, Coretemp still shows temps for 85c Tjunction Max so they are still inaccurate. Vcore is at 1.334v one notch lower and it will error within 5 ~ 7 hours, at this vcore it goes forever.

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Crrust

Ah, forgot about Coretemp reporting the incorrect Tjunc Max. So you are right they will not match up. Try this site and download the latest Coretemp beta (had a hell of a time finding a viable link)

http://www.majorgeeks.com/Core_Temp_d5665.html

That fixes some c2d issues supposedly.

1.334 vcore is plenty low so no worries there. 70c Tcase/82C Tjunc just seems high to me, despite the fact that is below the max specs for your cpu. I worry that those temps might lead to early failure of your chip I am close to referring you to the real temp expert Computronix himself. Let me know if the CT Beta reports the right Tj Max.

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