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Kaby Lake Overclocking Guide [With Statistics] - Page 226

post #2251 of 2853
Quote:
Originally Posted by dirtyred View Post

Yes. Turbo set to 1.23 V, offset to 0.02 V (previously seemed to help stay stable for longer, not sure if still needed), total 1.25 V. Right now I think we can close this as RB passed 50 minutes and previously it would have crashed for sure. I think the issue was either MSI Afterburner (most probably because only LuxMark was crashing while running RB and Asus forum members also suspected the same thing) or I just needed to tweak some other settings as well (which might not even be needed if Afterburner was the sole cause).

Btw press F12 for screenshot in BIOS wink.gif
I would leave offset on Auto and just set Turbo mode CPU core voltage. It will then work with the same fixed voltage settings.
post #2252 of 2853
Quick question for everyone:

I'll be delidding my 7700k tomorrow. I have some Thermal Grizzly Kryonaut. Can I use the Thermal Grizzly Kryonaut between the die and IHS? Or do I HAVE to use a liquid metal type TIM?

Ideally I'd like to use the Thermal Grizzly Kryonaut between the die and IHS as well as between the IHS and my cooler heatsink.

All indications seem to say that what I want to do isn't a problem but just triple checking.
Edited by altoids18 - 5/2/17 at 2:47pm
post #2253 of 2853
Quote:
Originally Posted by EniGma1987 View Post

All indications seem to say that what I want to do isn't a problem but just triple checking.

That's no problem. Liquid metal would just perform better. And if u are ready for delidding using liquid metal would allow you to realize the full potential. I found it not as difficult to use as I expected.
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post #2254 of 2853




I did switch from constant to adaptive voltage, the rest of the settings are mostly the same as here: http://www.overclock.net/t/1621347/kaby-lake-overclocking-guide-with-statistics/2220#post_26063089

Username: dirtyred
CPU Model: 7700K
Base Clock: 100
Core Multiplier: 48
Core Frequency: 4800
Cache Frequency: 42
Vcore in UEFI: 1.23 (Turbo) + 0.02 (Offset) = 1.25 (adaptive)
Vcore: 1.253 V (mostly 1.248, occasional spikes to 1.264)
FCLK: 1000
Cooling Solution: Phanteks PH-TC14PE (mostly running below 1000 RPM for low noise)
Stability Test: RealBench 2.54 7 hours 15 minutes (sorry, had to stop it because of work, 8 h test passed previously with constant voltage, see previous submission)

Batch Number: L640G413 Malaysia
Ram Speed: 3000 16-16-16-28-2T
Ram Voltage: 1.2 V
VCCIO:
VCCSA:
Motherboard:Z270 Asus Prime Z270-K (BIOS 0610)
LLC Setting: LLC Level 4
Misc Comments:
BCLK Spread Spectrum: Disabled
CPU Current Capability: 120%
CPU Power Phase Control: Extreme
Long Duration Package Power Limit: 4095
Package Power Time Window: 127
Short Duration Package Power Limit: 4095
IA AC Load Line: 0.01
IA DC Load Line: 0.01

Fractal Design Define C case with stock coolers (Dynamic X2 GP-12) as intake/outtake, 2 x Arctic F12 fans (1 intake, 1 on CPU cooler block's front, because 140 mm fans won't fit)

Fans are configured to be as silent (mostly below 1000 RPM) as possible while keeping temperatures below 80 °C, only peaking above for 1-2 seconds when the fans can't spin up fast enough under load spike. From 5 meters across the room is barely audible.
    
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post #2255 of 2853
Quick and dirty run. Will be working on lowering voltage and cranking uncore.

Username: SultanOfWalmart
CPU Model: i7-7700K
Base Clock: 100
Core Multiplier: 52
Core Frequency: 5200
Cache Frequency: 4200
Vcore in UEFI: 1.375V (Adaptive)
Vcore in CPU-Z: 1.405V
FCLK: 1
Cooling Solution: De-lid Conductonaut, custom water loop.
Stability Test: RealBench 2.54 - Stress Test 8 hours, 16GB RAM

Batch Number: LG641G191 Malaysia
Ram Speed: 3200Mhz 14-14-14-34 @ 1.3530V
Ram Voltage: 1.3530V
VCCIO: 1.1250
VCCSA: 1.1250
Motherboard: Z270 Asus MAXIMUS HERO IV (BIOS 0906)
LLC Setting: 4

Misc Comments: no AXV offset used

post #2256 of 2853
Good one
post #2257 of 2853
Quote:
Originally Posted by altoids18 View Post

Quick question for everyone:

I'll be delidding my 7700k tomorrow. I have some Thermal Grizzly Kryonaut. Can I use the Thermal Grizzly Kryonaut between the die and IHS? Or do I HAVE to use a liquid metal type TIM?

Ideally I'd like to use the Thermal Grizzly Kryonaut between the die and IHS as well as between the IHS and my cooler heatsink.

All indications seem to say that what I want to do isn't a problem but just triple checking.
no problem doing that, it just will not be as effective as a LM. thumb.gif
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post #2258 of 2853
Quote:
Originally Posted by BrainSplatter View Post

That's no problem. Liquid metal would just perform better. And if u are ready for delidding using liquid metal would allow you to realize the full potential. I found it not as difficult to use as I expected.

I believe from what I've read is that Liquid Metal performs better some of the other TIM's is due to the possibility of a pump-out issue occurring. If you read post 249 of this article it explains it.
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post #2259 of 2853
What version(s) of Prime95 are you guys testing with now? The ones listed in the first post seem to be for other operating systems so Im not sure which one to download. I havent used prime since Z97 and I just built my Kaby lake system and getting ready to overclock it.
Any info would be appreciated
post #2260 of 2853
Quote:
Originally Posted by sdmf74 View Post

What version(s) of Prime95 are you guys testing with now? The ones listed in the first post seem to be for other operating systems so Im not sure which one to download. I havent used prime since Z97 and I just built my Kaby lake system and getting ready to overclock it.
Any info would be appreciated

Use Prime95 v26.6 or older. Works just fine under Win 10. Newer versions put unrealisticly high load on the CPU because of AVX support. Older versions don't have AVX support but even then the load is higher then in a typical scenario (98 W vs 75 W under RealBench). If you want to use newer versions, append the following parameters in the local.txt file located in the same folder as the app then launch Prime95.
Code:
CpuSupportsAVX=0
CpuSupportsAVX2=0
CpuSupportsFMA3=0

Edited by dirtyred - 5/4/17 at 8:33am
    
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