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ASUS X99 Motherboard Series - Official Support Thread (North American users only) - Page 458

post #4571 of 15769
Quote:
Originally Posted by Neutr1no View Post

Thx for the reply @sblantipodi

So i am seeing strange Vcore readings... going down to 0,000V but also other way too low voltages like 0,3xxV or whatever other low value.

I am only getting these readings with following conditions:
- CPU idle and fully throttled down to ×12
- Bios optimized defaults (Vcore on auto)

Not getting any 'strange' readings while overclocking even when idle (Vcore either manual or adaptive). Neither when the cpu is throttled up or significantly active.

I use both AIsuite and aida64, but i don't believe that's the issue either. It's only Vcore value acting strange and i get similar readings on both even with the other one closed...

BTW what do you guys think of 4250Mhz (125x32) @ 1.100V? Always got dud cpu's before, but i think this one could be quite promising. Or is it common to hit 4.25G @ 1.100V?

Thx

mine require 1.3V and is not even 100% stable at that frequency.
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post #4572 of 15769
Quote:
Originally Posted by sblantipodi View Post

mine require 1.3V and is not even 100% stable at that frequency.
no cpu is 100% stable while overclocked.
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post #4573 of 15769
Quote:
Originally Posted by Silent Scone View Post

You'll see 0v vcore in AIsuite if you're running a manual voltage with C states. As an example.

I thought indeed it could have something to do with those C states but still...
This is how it looks like:

Weird isn't it? Stable part is while stressing.

Like mentioned before, only encountered while idle with optimized default bios settings. None of this while overclocking. Rock stable on manual Vcore and normal behaviour on adaptive Vcore.

Well I don't think I'll see that behaviour ever again, as who runs these things at stock speed with default bios settings anyways... wink.gif

Screenshot below shows 4.250G @ 1.10V smile.gif

Believe I should be very happy with this. Curious how far it will go at 1.20V... rolleyes.gif
    
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post #4574 of 15769
Quote:
Originally Posted by CaptnNemo View Post

What is a DMI ? ..lol..sorry for the ignorance biggrin.gif

yeah, sorry - DMI is the bus speed. BCLK divided by strap.
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post #4575 of 15769
Thank you Raja,

I did what you said I loosened the timing and rolled back the overclock on the memory.
Now I don't get any AF boot post codes. I have been able to power off my computer unplug it and start a cold boot perfectly. thumb.gif
I was able to change some voltages in my overclock also so now i'm running at 4.4ghz @ 1.3 Memory is at 2666 which i'm perfectly fine with that.
the difference in 2666 and 2800 isn't noticeable.
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post #4576 of 15769
Thread Starter 
Good to hear.
post #4577 of 15769
Quote:
Originally Posted by Ryncrash View Post

Thank you Raja,

I did what you said I loosened the timing and rolled back the overclock on the memory.
Now I don't get any AF boot post codes. I have been able to power off my computer unplug it and start a cold boot perfectly. thumb.gif
I was able to change some voltages in my overclock also so now i'm running at 4.4ghz @ 1.3 Memory is at 2666 which i'm perfectly fine with that.
the difference in 2666 and 2800 isn't noticeable.

No problems with DRAM you say wink.gif
post #4578 of 15769
Quote:
Originally Posted by Silent Scone View Post

No problems with DRAM you say wink.gif

LOL well I figured after everyone telling me to check it I did. Well it pay's to listen sometimes. thumb.gif
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post #4579 of 15769
Quote:
Originally Posted by lilchronic View Post

no cpu is 100% stable while overclocked.

mine is because I put the correct voltage at the correct frequency with the correct temperture.
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post #4580 of 15769
Quote:
Originally Posted by sblantipodi View Post

mine is because I put the correct voltage at the correct frequency with the correct temperture.

It's not possible to be "100% stable." Eventually, a bit that's supposed to be a 0 will be a 1. It could take days, weeks, months, years, or centuries for this error to occur, but it will eventually occur.
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