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Broadwell-E thread - Page 259

post #2581 of 7252
Quote:
Originally Posted by GRABibus View Post

Maybe the problem could be the Vccio at "Auto" which is 1.25V ?

You're right there, I didn't notice until it was pointed out to me, now I have it very close to the default 1.050v (1.100 for me).
So far the board has lasted a little over a month, so...... biggrin.gif
Quote:
Originally Posted by GRABibus View Post

Let's go back to MSI tongue.gif

No tongue.gif
post #2582 of 7252
Auto Volt... 2 four letter words. tongue.gif
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post #2583 of 7252
Quote:
Originally Posted by mbze430 View Post

Nope, take some serious effort (aside from bashing it with a hammer) to kill a CPU. And I have been in this business since the 80286 days (building computers)

Any Z8000s? biggrin.gif
post #2584 of 7252
Quote:
Originally Posted by Jpmboy View Post

Auto Volt... 2 four letter words. tongue.gif

thumb.gifthumb.gifthumb.gif

I got some more info on TjMax from Aida's Fiery:

"On Nehalem and later Intel processors, the TJMax value is SKU specific, and is encoded into a MSR (Model Specific Register). Hence it can be detected, and no need to use static presets or hard-encoded values. However, it also means that the TJMax value may vary between individual parts, so it's not guaranteed that e.g. your i7-6900K would use the same value as your friend's seemingly similar i7-6900K part."

Me: But I take it this means when read properly (e.g. Auto in Aida64) it's the correct TjMax for your specific chip which is great.

"Yes, correct."
post #2585 of 7252
Quote:
Originally Posted by djgar View Post

Any Z8000s? biggrin.gif

No, Zilog's Z8000 era, I was only a kid. My first job at 16 was at some computer company building PCs, and I have been working in this industry since.
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post #2586 of 7252
Quote:
Originally Posted by djgar View Post

thumb.gifthumb.gifthumb.gif

I got some more info on TjMax from Aida's Fiery:

"On Nehalem and later Intel processors, the TJMax value is SKU specific, and is encoded into a MSR (Model Specific Register). Hence it can be detected, and no need to use static presets or hard-encoded values. However, it also means that the TJMax value may vary between individual parts, so it's not guaranteed that e.g. your i7-6900K would use the same value as your friend's seemingly similar i7-6900K part."

Me: But I take it this means when read properly (e.g. Auto in Aida64) it's the correct TjMax for your specific chip which is great.

"Yes, correct."

So... essentially what I said before.

Good to know for sure.

TJMAX should be CPU specific. If a board changes the TJMAX from whatever the CPU specifies.... that board sucks. Lol.

On that temp sensor talk earlier.... I know it's not a "Real" sensor. It's been this way for a long time, however it does give us SOME sort of temp reading. They're pretty accurate, usually within 5c of actual temp. Proven with temp sensors embedded in IHS.
Edited by nexxusty - 8/26/16 at 11:57am
post #2587 of 7252
The TJMAX value is UEFI settable on HW-E and BW-E. It is an Intel touted feature. Intel wanted the vendors to adopt the adjustment for these architectures.
post #2588 of 7252
Quote:
Originally Posted by GRABibus View Post

Maybe the problem could be the Vccio at "Auto" which is 1.25V ?

No, my Vccio voltage was not at auto. It was running at 1.0625V as usual. My guess is, this chip was weak to begin with, it had a seemingly weaker Uncore(cache) compared to the other BW-E's ive used ( granted only two other ones ). Running high density ram probably pushed the IMC/Uncore just a bit on the edge, combined with the workloads it gets put under... it just gave out early on, luckily.

We'll see what SL says, I really hope it's the CPU... wasn't able to fully test the PSU.
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post #2589 of 7252
Quote:
Originally Posted by Raja@ASUS View Post

The TJMAX value is UEFI settable on HW-E and BW-E. It is an Intel touted feature. Intel wanted the vendors to adopt the adjustment for these architectures.

So Intel initially sets a CPU's TjMax from their manufacturing specs, why would the MB manufacturer arbitrarily change that? IOW, what process would they use to improve on it?

BTW, based on the Intel PDF, it IS a "real" sensor - a sensor who's voltage varies based on the die temperature.
Edited by djgar - 8/26/16 at 3:47pm
post #2590 of 7252
Quote:
Originally Posted by djgar View Post

So Intel initially sets a CPU's TjMax from their manufacturing specs, why would the MB manufacturer arbitrarily change that? IOW, what process would they use to improve on it?

BTW, based on the Intel PDF, it IS a "real" sensor - a sensor who's voltage varies based on the die temperature.

There is a setting in bios that you can adjust, that's all. If you leave this on Auto, it is the default. I set mine to 85C on the R5E/5960X. Been running the R5E10/6950X with Auto. The sensor reports distance to TJmax afaik.
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