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ROG Crosshair VI overclocking thread - Page 914

post #9131 of 17454
Quote:
Originally Posted by malitze View Post

Mh okay then I'm even more clueless as to what it might be frown.gif

Are you running the latest beta drivers for your Fury X?
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post #9132 of 17454
Quote:
Originally Posted by geoxile View Post

0083. Since you insist I'm testing 3.8Ghz at core 1.4V/SOC 1.05V/ RAM 1.35V. Core and SOC are configured using offset voltage.

The Vdroop on the core is pretty high on y-cruncher. Max voltage is 1.406V but running at 1.325 - 1.34V. LLC is set to Auto.
SOC voltage is very stable at 1.05V and RAM ranges from 1.35 to 1.39 but generally runs at 1.37V.

The highest temp I saw was 66C. I don't see VRM temps anywhere in HWinfo. Maybe I'll try pushing it higher if it clears a few more passes of y-cruncher.

Yea, there is a substantial amount of vdroop at load; even at LLC 2 I get 69mv but I think your vcore is likely fine for 3.8. If you havent done anything wild on the RAM side, .950 is likely fine there as well.

Quote:
Originally Posted by mackanz View Post

I'm afraid i might have the lemon you haven't seen yet. Wont go past 3.65 realbench stable no matter what vcore i give it. Heat isn't an issue. Having a hard time getting over 50c.
Haven't tried SOC over 0.9 yet though. Does it help on cpu overclock too and not just memory overclock?

CPu loadline calibration have no impact on cpu overclock right? Just to keep the vcore drop in check?

I have a feeling i am missing something obvious though.

LLC compensates for the vdroop, yes. It can help with an overclock as well; if you're at 1.45 vcore (hypothetical) and didnt want to go any higher, you could use LLC to counter the vdroop (and should in this case in my opinion). At 3.8, 1.35 should be enough under load for the vast majority of CPUs (likely somewhere around 1.42 in BIOS with LLC 2). As posted above, somewhere around .950 on the SOC seems to work well for me.
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post #9133 of 17454
Quote:
Originally Posted by huyee View Post

Happened to be before on another machine. I fixed it by reseating the sticks until it see them both. Seem like you already did that. Maybe try increase dram voltage?

How many times did you try reseating?

I find it strange that windows recognizes the 16gb...

I'll try the DRAM voltage. What range is considered safe?
post #9134 of 17454
Quote:
Originally Posted by Fliptrocity View Post

How many times did you try reseating?

I find it strange that windows recognizes the 16gb...

I'll try the DRAM voltage. What range is considered safe?
It was on a x99 deluxe and I had 4 sticks, only 2 were recognized. Not sure between the reseating and increasing voltage, one of those made it work.
I think 1.36 or 1.37 would be fine for daily use if it does work, but maybe someone else with more experiences can confirm it. I ran it with 1.36 until later bios for the board came around and was able to use XMP 2400 1.35v properly for 8 sticks.
post #9135 of 17454
Quote:
Originally Posted by Ubardog View Post

Please don't take this the wrong way, but im quite glad this has happened to you.

You seem to have a logical brain and can put Stat's and error to paper.
Hopefully you can make sense of it biggrin.gif

No offence taken wink.gif . TBH I wanna experience the good and bad, hopefully with all of us sharing what happens the "product" improves wink.gif .
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post #9136 of 17454
Is there a setting that will take the power limit off XFR? When I run stock settings, it will hit 4.1 for a second then drops to 3.7. Cooling is not an issue under my loop. I do see a voltage spike up to 1.487 when it tries to go to high boost.

If I run only Cinibench R15 on single core, it locks in at 3.7ghz. My ram runs at 3200 CAS 14, but the board automatically sets my SOC voltage to 1.1 after the memory training reboot.

I think the amp draw wall is keeping my boost speeds down. Any suggestions?
Edited by XEKong - 4/13/17 at 4:45pm
post #9137 of 17454
Quote:
Originally Posted by XEKong View Post

Is there a setting that will take the power limit off XFR? When I run stock settings, it will hit 4.1 for a second then drops to 3.7. Cooling is not an issue under my loop. I do see a voltage spike up to 1.487 when it tries to go to high boost.

If I run only Cinibench R15 on single core, it locks in at 3.7ghz. My ram runs at 3200 CAS 14, but the board automatically sets my SOC voltage to 1.1 after the memory training reboot.

I think the amp draw wall is keeping my boost speeds down. Any suggestions?

Thats how it works, pretty sure no one has seen xfr stick around to 3.9-4.1 for long periods of time. I honestly don't even see a point in it. Just OC to 3.8+ and reap the benefits, multi core running at 3.8+ is better then one core doing 4.1 and the other 3.7.
    
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post #9138 of 17454
Quote:
Originally Posted by XEKong View Post

Is there a setting that will take the power limit off XFR? When I run stock settings, it will hit 4.1 for a second then drops to 3.7. Cooling is not an issue under my loop. I do see a voltage spike up to 1.487 when it tries to go to high boost.

If I run only Cinibench R15 on single core, it locks in at 3.7ghz. My ram runs at 3200 CAS 14, but the board automatically sets my SOC voltage to 1.1 after the memory training reboot.

I think the amp draw wall is keeping my boost speeds down. Any suggestions?

The whole point of CPU boosting is to provide brief moments of higher performance to aid in everyday tasks, like opening an application. Since opening an application only takes a short while, the CPU can boost a single thread temporarily to get the job done quicker, then go back to normal. This makes the end-user experience "feel" better. The CPU wasn't meant to sustain boost. If you want permanent higher performance, you need to overclock. Or buy a faster CPU.
post #9139 of 17454
Quote:
Originally Posted by finalheaven View Post

AMD never promised or stated that their chips will support 3200mhz memory.

They also never promised or stated that their infinity fabric was complete ***** high latency problem unless you are running 3600mhz memory, lol
post #9140 of 17454
I'll just put this in the category of weird but good:

I am running a 117 BCLK and memory at 3430mhz Cas 16 100% stable.
I switched all the pci stuff to force GEN 3 on my 960 EvoNvme and Nvidia 1080 and everything just works fine.
I really thought I would get corrupt SSD or graphics, but nope.
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