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ROG Crosshair VI overclocking thread - Page 952

post #9511 of 17583
Quote:
Originally Posted by TwoBeers View Post

2.) Are you using Windows Power profile "high performance"? Pstate only works under "balanced"
By default, yes. However if you lower the minimum processor state, the HP power plan will down-clock just like any other power plan.
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post #9512 of 17583
Quote:
Originally Posted by MNMadman View Post

RealBench isn't necessarily as stressful a CPU stress test as the others. It's not meant to be -- it's meant to be a SYSTEM stress test rather than a CPU stress test. It determines whether other areas of your system (RAM, GPU) can handle the overclocks too.

I found f@h on CPU/GPU better as a whole system workout. Not slating RB, I use it myself, but it's probably one of the last programs I use on my test regime.
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post #9513 of 17583
I added LLC 2 and VDimm Phase Control extreme to my bios setup (1002).

My Vcore dropped .2v and my temps dropped 2c.

Weird Yes?

Mel
post #9514 of 17583
Curiously my "CPU (Socket)" sensor vanished in HWinfo. It's not hidden, it's gone. "Temperature 4/5/6" are still available, so I use one of these instead. Still strange.
post #9515 of 17583
Well my 64GB dual rank kits of Corsair Vengeance LPX 32GB DDR4 3200MHz CL16 (2x 16GB) CMK32GX4M2B3200C16 Ver4.31(Samsung B-Die) did much better than I expected.

Final stable results for now:
RAM Speed: 3103Mhz
Timing: 14 14 14 14 34
DDR Voltage: 1.4V
Prime95 stress test stable
Cinebench: 1736
CPU: 1700 3.9Ghz @ 1.36V


Usable but unstable results:
RAM Speed: 3173Mhz
Timing: 14 14 14 14 34
DDR Voltage: 1.4V
Prime95 stress test failed
Cinebench: crushed
CPU: 1700 4.07Ghz @ 1.45V

Cooling: Air

After reading so much about RYZEN RAM issues I expected my system not to boot with 64GB.
post #9516 of 17583
Are we really having this whole debacle about stress testing again? Ive built probably over 100 PCs over the past 15 years, only a few cases I've used IBT and the ones i haven't used IBT on have been just as stable as the ones I've used IBT on.

Why should i degrade my chip even further and with 900hrs of IBT just to please people online haha. My 4690k only went thru intel tuning utility (which people say is the weakest of them all but still uses linpack) and i have had ZERO instability issues.

You stability test your PCs the way YOU use the PC not the way forum members need it to please themselves. I was stable at the less then 1.199v i was at now but with WHEA errors (mind you for a week I, again, had ZERO issues) i upped the voltage because WHEA errors are bad. Still fully stable, i don't encode with it (and if i do i dont intend to use the obsolete x264 either).

People don't understand that over stress testing is the most idiotic thing one can do to their chip anyways. Stress test it the way you're using it, its pointless any other way.
    
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post #9517 of 17583
Quick question to the guru´s on this site, is the extra cpu power connector needed? I only have the 8 pin connected, and how how many watts can the 8 pin suply to the cpu?
I have my 1700 @ 3.95ghz right now and would like to know if i should plug in the extra pci plug. Thanks in advance :-)
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post #9518 of 17583
Thanks for the replies.
Quote:
Originally Posted by MNMadman View Post

1. According to the experts (elmor, Raja, The Stilt I think too), LLC should be left at Auto. Many others on here have other opinions.
Quote:
Originally Posted by TwoBeers View Post

1.) The drop is not the problem, the spikes above set voltage are. SVI2 should be the one you should believe more (even though you can't see the spikes there). Set it to LLC auto, stress it, if it's unstable increase voltage until stable.
The thing that I don't like about using LLC Auto is that I had to change from a negative voltage offset to a positive voltage offset to keep the droop voltage high enough for the system to be stable.
The highest I've seen Vcore report with LLC Auto at a stable voltage is 1.395V, when a negative offset with LLC4 keeps the maximum voltage lower.
However when checking my temps, they dropped a few degrees C under sustained load, so it seems like the average voltage is going to be lower, and using LLC Auto seemed like it might also be more stable at lower voltages under load.

Quote:
Originally Posted by MNMadman View Post

2. Task Manager is not an accurate gauge of CPU core clocks. Also, Ryzen Balanced power plan has a minimum CPU power state of 90% by default. If you want it to truly down-clock, set the minimum to 10%. It should down-clock to 1550MHz or so.
Quote:
Originally Posted by TwoBeers View Post

2.) Are you using Windows Power profile "high performance"? Pstate only works under "balanced". Task Manager report of frequency is not accurate, use HWinfo.
As I said, I was using the Ryzen Balanced power plan, which I've now set to a minimum frequency of 10% as a test.
I'm still confused about what I'm seeing in HWiNFO64 vs Task Manager.

I reset everything to the defaults, and I see HWiNFO64 reporting 1746.4MHz minimum frequency and 3892.5MHz maximum frequency.
SVI2/Vcore have minimum reported voltages below 1V and the UPS reports 18W minimum load.
This is what I would expect.

As soon as I touch FID for P0, HWiNFO reports that the clockspeeds are completely locked and do not change, SVI2/Vcore minimum voltage is never any lower than whatever the Vdroop is under load (around 1.3V), and the UPS never reports anything below 36W load.
This all suggests that HWiNFO's frequency reading is accurate.
Task Manager still reports that the frequency drops though - but only to around 3.6GHz, not <2GHz. Not sure why that is though.

Is there something that I'm missing to get P-state overclocking to work correctly?
The only setting I changed from the defaults was FID for P0, and set C-states to Enabled.

EDIT: After clearing the CMOS and setting everything up again manually, it now seems to be working. Not sure why it wasn't before.
Quote:
Originally Posted by MNMadman View Post

3. 0.95v is a good place to start for SoC.
Thanks. I see that after resetting to the default it's actually around 0.85V so I can reduce it quite a bit below 1V as long as it remains stable.
Edited by NotAgain - 4/15/17 at 5:07pm
post #9519 of 17583
Quote:
Originally Posted by Timur Born View Post

Curiously my "CPU (Socket)" sensor vanished in HWinfo. It's not hidden, it's gone. "Temperature 4/5/6" are still available, so I use one of these instead. Still strange.
After a visit to BIOS the sensor returned, but now it mirrors the VRM temperature instead of showing socket temperature. Temp 4-6 still work and measure socket temps.
post #9520 of 17583
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