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ROG Crosshair VI overclocking thread - Page 1025

post #10241 of 17495
Thread Starter 
The DRAM form has been quite useful, so I made another one for bug reports https://docs.google.com/forms/d/e/1FAIpQLSeWovVLyETJTI4-6r0h5SDzj8muLTjAGfoszKqZoySBOb684w/viewform

Even if you've described the problem in this thread, please add it to the form as well as it will allow me to get a better overview of the issues and what to focus on.

Quote:
Originally Posted by geoxile View Post

Sorry, I haven't been paying attention but what's this about fluctuating voltages at start-up and need for concern with p-states + offset? Should p-state overclocking be avoided for now?

Fluctuating voltages at start-up is not something I'm aware of, but the software readouts can fluctuate up to 30-40mV without the actual output doing this. The issue is if you lower VID in P0 and then add an offset, because when the settings get reset you get default VID with the offset still applied. I recommend manual mode when overclocking to be 100% safe.
post #10242 of 17495
So I can easily get to 4ghz gaming and benching stable. But the moment I start something like superpi it instantly crashes. (on a 1700)
How far can I up the voltage safely? i'm on decent watercooling so thermals are no problem at all but I don't want to destroy my cpu in two weeks of gaming. what else could I tweak? is it possible that a higher ghz would run more stable? or another configuration of higher blck and lower multiplier instead of just doing x40 ?
post #10243 of 17495
Quote:
Originally Posted by elmor View Post

Fluctuating voltages at start-up is not something I'm aware of, but the software readouts can fluctuate up to 30-40mV without the actual output doing this. The issue is if you lower VID in P0 and then add an offset, because when the settings get reset you get default VID with the offset still applied. I recommend manual mode when overclocking to be 100% safe.

I thought you couldn't change the voltage in P-states with the current BIOSes, at least when I tried with P0 for my 1700 it defaulted to 2.6GHz or something instead of the regular turbo.
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post #10244 of 17495
Is there a setting like Intel speed step on this board? I don't really need my cpu running full blast all the time, it'd be nice to get some even nicer idle temps. thumb.gif
post #10245 of 17495
@bluej511

I went fresh installs of OS, W7 & W10. Used AMD website AM4/GPU drivers.

@elmor

Sleep mode is saving me from borked boots, past 2 days has been spent just testing that with numerous sleep/wake of varying times. And I'm on OC smile.gif.

Only snag is SIO CPU Sensor reverts to mode 1 and I need mode 2 for my fan profiles to work as I want. The +5°C offset to tCTL in SIO CPU Sensor when in mode 1 just kills fan profiles for me.

Please can Asus provide an option in UEFI to change modes, it would really just mean I can use my system as I like and pretty much then I have no issues with R7/X370.

*** edit ***

Testing now using Windows Task Scheduler to apply SIO CPU Sensor mode 2 on wake/resume of system. If successfully work for several test instances I will post guide for others that use the SIO CPU Sensor mode change apps that Elmor provided and like me are using "Sleep" mode.
Edited by gupsterg - 4/20/17 at 12:04am
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post #10246 of 17495
Quote:
Originally Posted by Reikoji View Post

Interesting result in powering down (and unplugging PSU) for 20m. Still got the expected triple boot and posted as normal, but windows refused to load. pressed reset button, post, and windows loads.

Will do again and see if any settings in bios had a temporary change as a result of the power down.

yes me too,,,,

triple boot when my ram set 3200 14-14-14-34
but when ram 3200 16-16-16-36 its only once boot
post #10247 of 17495
Quote:
Originally Posted by alucardis666 View Post

Is there a setting like Intel speed step on this board? I don't really need my cpu running full blast all the time, it'd be nice to get some even nicer idle temps. thumb.gif

Try overclocking via P-States:
http://www.overclock.net/t/1624603/rog-crosshair-vi-overclocking-thread/9490#post_26018586
post #10248 of 17495
Thanks to you Elmor I got 32GB (4x8) running at 3200! Thank you!

My settings:
1.45v core
34 cpu ratio
LLC 3
Mem 1.35v
120 BCLK
3199 mem speed (2666 multiplier)
16-16-16-16-36 timings (manual)
Soc 1.15v
Disable core performance boost
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post #10249 of 17495
Quote:
Originally Posted by littlestereo View Post

Thanks to you Elmor I got 32GB (4x8) running at 3200! Thank you!

My settings:
1.45v core
34 cpu ratio
LLC 3
Mem 1.35v
120 BCLK
3199 mem speed (2666 multiplier)
16-16-16-16-36 timings (manual)
Soc 1.15v
Disable core performance boost

Ins't 1.45 a bit high?
post #10250 of 17495
Quote:
Originally Posted by Spartoi View Post

Try overclocking via P-States:
http://www.overclock.net/t/1624603/rog-crosshair-vi-overclocking-thread/9490#post_26018586

I don't get it :-(
Quote:
Originally Posted by TwoBeers View Post

You've to use pstate overclocking and not Multiplier (also called "CPU Core Ratio"). Go to "Advanced/AMD CBS/Zen Common options/Custom pstates" in BIOS.

Set the FID of p0 to a hex number suitable for you, 98 is 3.8GHz for example. You can see the frequency on the right side. Change the applied voltage under "Extreme Tweaker/CPU vcore/offset" to something suitable for your chip (default for non-X is 1.18V (add +0.15V for 1.33V), for X it is 1.35V (add 0V for 1.35V)).

Not sure I understand
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