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Offset for CPU and 2133MHz ram. Won't go over -0.040? - Page 2

post #11 of 19
i think he means under ..as in he wants less voltage..
do sb-e cpus have a "pll overvoltage" thingy? if so..that could be the source of the extra juice you're getting if it's set to "auto"
purely speculation..am not familiar with platform..yet. wink.gif
 
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post #12 of 19
Quote:
Originally Posted by Kosire View Post

1.185v rock stable with 3930K. Offset is messing with me when I try to use it here..
With my 2600K I had 3.8ghz rock stable at 1.145v. I could configure offset np on that board.

OK I think Im starting to understand.

With the new board, 3930K and 2133 ram you have a stable fixed voltage setting at 1.185v and want to use offset instead.

Have you tried any other offset voltages other than -0.100 and -0.040? Start at -0.040 and work your way towards -0.100. You'll need to try different LLC settings as under load they will change your Vcore quite a bit sometimes. Its a dance that has to be done between LLC settings and vcore settings. I have had rock solid load settings but BSOD when browsing the internet due to LLC settings.
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post #13 of 19
Thread Starter 
Okay, update folks.

I claered CMOS, reset the motherboard, loaded the defaults on the latest BIOS

Changed ONLY offset for CPU to -0.125 and I hit the sweet spot. Stable as rock there.
RAM is Auto which means 1333MHz.

So I try and set the ram higher and boot..

2133MHz:
Nothing, no post just PC running.

1833MHz:
Nothing, no post just PC running.

1600MHz:
Nothing, no post just PC running.

1333MHz:
It boots! and the offset is working thumb.gif


Now what the heck? Is the RAM faulty or what? They run fine under 2133MHz if you DON'T use offset voltage for the CPU but Manual. wth.gif

I got two sets of these, and I would of course like to run them in 2133MHz and not 1333MHz.
http://www.corsair.com/memory-by-product-family/dominator/dominator-gt-with-dhx-pro-connector-1-5v-16gb-dual-channel-ddr3-memory-kit-cmt16gx3m4x2133c9.html
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post #14 of 19
You keep giving it more negative offset and expect it to boot with overclocked RAM? Often with OC ram you need more voltage as the IMC is stressed more by the higher frequencies.

Did you try what I said above?
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post #15 of 19
Thread Starter 
Quote:
Originally Posted by silvrr View Post

You keep giving it more negative offset and expect it to boot with overclocked RAM? Often with OC ram you need more voltage as the IMC is stressed more by the higher frequencies.
Did you try what I said above?

Just did.

Bumped the ram one notch up to 1600MHz and tried every CPU LLC setting.
It's just funny that I did not have this issue with my old setup with an i7-2600K, Asus P8Z68-V Pro and 1600MHz 1.5v Kingston ram.

Regular, 1600MHz:
Nothing, no post just PC running.

Medium, 1600MHz:
Nothing, no post just PC running.

High, 1600MHz:
Nothing, no post just PC running.

Ultra High, 1600MHz:
Nothing, no post just PC running.

Extreme, 1600MHz:
Nothing, no post just PC running.

Auto, 1333MHz::
It boots! and the offset is working thumb.gif
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post #16 of 19
Ok, start with 0 offset and 2133 for the RAM setting and see if it boots. Then slowly take voltage off and see where it stops booting.
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post #17 of 19
Thread Starter 
Quote:
Originally Posted by silvrr View Post

Ok, start with 0 offset and 2133 for the RAM setting and see if it boots. Then slowly take voltage off and see where it stops booting.

Okay, first of all.. really REALLY sorry for the delay! frown.gif

I did what you said, I couldn't go any lower than -0.055. If I tried -0.060 it simply wouldn't POST at all. Just the PC running.
On load, I had like 1.294v and I obviously don't need that massive amount of voltage to run 3.8GHz stable when 1.185v was enough!

I took some screenshots if that might help.

VLiQw.png
OYC7g.png
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post #18 of 19
What is your load line calibration (LLC) at? Sounds like it is possibly causing your issue.

It looks like your offset is working to me. 1.2v- 0.055 = 1.145 (Bios shot shows 1.144). Under load your Vcore is spiking up which may be LLC overreacting. Try setting it at different values and see which doesn't give you such a bad spike. I don't know how ASUSs works (Whats high whats low) so youll have to search or experiment.
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post #19 of 19
Thread Starter 
Quote:
Originally Posted by silvrr View Post

What is your load line calibration (LLC) at? Sounds like it is possibly causing your issue.
It looks like your offset is working to me. 1.2v- 0.055 = 1.145 (Bios shot shows 1.144). Under load your Vcore is spiking up which may be LLC overreacting. Try setting it at different values and see which doesn't give you such a bad spike. I don't know how ASUSs works (Whats high whats low) so youll have to search or experiment.

Hm, I see that. By setting it to +0.005 I get 1.184-1.192 in vcore in BIOS!
But when I boot into windows it's 1.330vcore, WAY TOO MUCH. (goal is 1.185~)

No matter what LLC settings I use and current capability makes it go lower.

NTQ5q.png
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