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Skylake Overclocking Guide [With Statistics] - Page 930

post #9291 of 11361
Quote:
Originally Posted by Jpmboy View Post

LLC is compensating for voltage "swings" you cannot see with any OS software, or a digital multi-meter. (load line overshoot - clearly described in Intel's Product data sheet for this generation). You should read up on what LLC does.thumb.gif

I know what LLC does, tyvm. Regarding how to measure it´s influence, discuss it directly with Tweak Town´s Overclocking gurus, I just posted you their table biggrin.gif
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post #9292 of 11361
Installed my RAM today got my CPU to 4800mhz @ 1.428v, cache 4000mhz and memory o/c to 3733mhz 16-16-16-36 2T 1.35v. Not too bad. I also had to delid my 6700k just to keep the temperature in check. I was hitting 84c in games, and now only 61c in games after delid CLU/MX4. biggrin.gif
post #9293 of 11361
Should I use LLC high on Gigabyte z170x gaming 7 for my 6700k? I am stable multiplier x45 on everything auto, but when I set it to x46 windows crashes when fully loaded...
I prefer not to have fixed voltage, because my pc run almost 24/7, but want to make sure my cpu doesn't throttle due to voltage, any help greatly appreciated.
Edited by NikolayNeykov - 10/7/16 at 6:38am
post #9294 of 11361
Quote:
Originally Posted by ROKUGAN View Post

I know what LLC does, tyvm. Regarding how to measure it´s influence, discuss it directly with Tweak Town´s Overclocking gurus, I just posted you their table biggrin.gif
No you do not... obviously.
lol - the table Warning: Spoiler! (Click to show)
proves that the tweaktown noobs also do not understand LLC, load line overshoot, and load-change induced transient voltage spikes. Each of these is described in the Intel Product Datasheet. Here's some reading.
http://www.overclock.net/t/1510001/asus-rampage-v-extreme-owners-thread/2000_20#post_23088546
http://www.overclock.net/t/1510001/asus-rampage-v-extreme-owners-thread/2020_20#post_23088741
http://www.overclock.net/t/1510001/asus-rampage-v-extreme-owners-thread/2020_20#post_23089414

summary: by holding vcore presumably steady like seen in cpuZ during a load change your cpu will receive 60-200mV higher vcore during the load change even when using a voltage clamp. The overshoot is a basic property of any circuit operating at "constant" voltage when current changes. the spike last less than 20milli sec, and can only be detected with a socket tool and an oscilloscope. it is responsible for the majority of gate/channel degradation.
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post #9295 of 11361
Quote:
Originally Posted by Jpmboy View Post

No you do not... obviously.
lol - the table Warning: Spoiler! (Click to show)
proves that the tweaktown noobs also do not understand LLC, load line overshoot, and load-change induced transient voltage spikes. Each of these is described in the Intel Product Datasheet. Here's some reading.
http://www.overclock.net/t/1510001/asus-rampage-v-extreme-owners-thread/2000_20#post_23088546
http://www.overclock.net/t/1510001/asus-rampage-v-extreme-owners-thread/2020_20#post_23088741
http://www.overclock.net/t/1510001/asus-rampage-v-extreme-owners-thread/2020_20#post_23089414

summary: by holding vcore presumably steady like seen in cpuZ during a load change your cpu will receive 60-200mV higher vcore during the load change even when using a voltage clamp. The overshoot is a basic property of any circuit operating at "constant" voltage when current changes. the spike last less than 20milli sec, and can only be detected with a socket tool and an oscilloscope. it is responsible for the majority of gate/channel degradation.

ROFL, whatever dude. Just wanted to let you know that LLC and voltage regulation is flawless on my Z170X SOC FORCE, while the Gaming 7 is not very good, as several reviews have already stated, so it´s not a Gigabyte problem but model related. I´m not going to waste my time entering a discussion on what LLC does or not and how to measure it.

http://www.kitguru.net/components/motherboard/luke-hill/gigabyte-z170x-gaming-7-motherboard-review/11/

"Gigabyte’s Z170X-Gaming 7 motherboard had no problem pushing our i7-6700K chip to its stability limit of 4.8GHz when using 1.4V. Voltage accuracy using the High LLC setting could have been better – our multimeter recorded a VCore of around 1.385V whilst idling and around 1.37V when under heavy Prime95 load."

http://www.fudzilla.com/news/motherboards/39694-gigabyte-pushes-custom-z170x-soc-force-motherboard-on-liquid-nitrogen-at-ces-2016

"The board also features a high quality 8/16 phase design along with the latest in digital PWM technology. According to Steve B. from TweakTown, the VRM is well tuned, minor rails are all using 40A power stages, and LLC is some of the best he has seen so far."

I guess it won´t serve you much because all those guys are noobs as you hold the ultimate well of PC knowledge tongue.gif
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post #9296 of 11361
Quote:
Originally Posted by ROKUGAN View Post

ROFL, whatever dude. Just wanted to let you know that LLC and voltage regulation is flawless on my Z170X SOC FORCE, while the Gaming 7 is not very good, as several reviews have already stated, so it´s not a Gigabyte problem but model related. I´m not going to waste my time entering a discussion on what LLC does or not and how to measure it.

http://www.kitguru.net/components/motherboard/luke-hill/gigabyte-z170x-gaming-7-motherboard-review/11/

"Gigabyte’s Z170X-Gaming 7 motherboard had no problem pushing our i7-6700K chip to its stability limit of 4.8GHz when using 1.4V. Voltage accuracy using the High LLC setting could have been better – our multimeter recorded a VCore of around 1.385V whilst idling and around 1.37V when under heavy Prime95 load."

http://www.fudzilla.com/news/motherboards/39694-gigabyte-pushes-custom-z170x-soc-force-motherboard-on-liquid-nitrogen-at-ces-2016

"The board also features a high quality 8/16 phase design along with the latest in digital PWM technology. According to Steve B. from TweakTown, the VRM is well tuned, minor rails are all using 40A power stages, and LLC is some of the best he has seen so far."

I guess it won´t serve you much because all those guys are noobs as you hold the ultimate well of PC knowledge tongue.gif

still don't understand LLC I see. A multimeter CANNOT register the voltage excursion. But hey.. no need for you to understand any of this. just enjoy your rig. thumb.gif
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post #9297 of 11361
I putted LLC setting on High and have better experience @ 4.7 on auto everything else, but still something missing, i get crashes for example when i run cinebench
PS. I played witcher 3 until now with no crash... why cinebench fails, really...
Edited by NikolayNeykov - 10/7/16 at 2:43pm
post #9298 of 11361
Quote:
Originally Posted by Jpmboy View Post

No you do not... obviously.
lol - the table Warning: Spoiler! (Click to show)
proves that the tweaktown noobs also do not understand LLC, load line overshoot, and load-change induced transient voltage spikes. Each of these is described in the Intel Product Datasheet. Here's some reading.
http://www.overclock.net/t/1510001/asus-rampage-v-extreme-owners-thread/2000_20#post_23088546
http://www.overclock.net/t/1510001/asus-rampage-v-extreme-owners-thread/2020_20#post_23088741
http://www.overclock.net/t/1510001/asus-rampage-v-extreme-owners-thread/2020_20#post_23089414

summary: by holding vcore presumably steady like seen in cpuZ during a load change your cpu will receive 60-200mV higher vcore during the load change even when using a voltage clamp. The overshoot is a basic property of any circuit operating at "constant" voltage when current changes. the spike last less than 20milli sec, and can only be detected with a socket tool and an oscilloscope. it is responsible for the majority of gate/channel degradation.

Quote:
Originally Posted by ROKUGAN View Post

ROFL, whatever dude. Just wanted to let you know that LLC and voltage regulation is flawless on my Z170X SOC FORCE, while the Gaming 7 is not very good, as several reviews have already stated, so it´s not a Gigabyte problem but model related. I´m not going to waste my time entering a discussion on what LLC does or not and how to measure it.

http://www.kitguru.net/components/motherboard/luke-hill/gigabyte-z170x-gaming-7-motherboard-review/11/

"Gigabyte’s Z170X-Gaming 7 motherboard had no problem pushing our i7-6700K chip to its stability limit of 4.8GHz when using 1.4V. Voltage accuracy using the High LLC setting could have been better – our multimeter recorded a VCore of around 1.385V whilst idling and around 1.37V when under heavy Prime95 load."

http://www.fudzilla.com/news/motherboards/39694-gigabyte-pushes-custom-z170x-soc-force-motherboard-on-liquid-nitrogen-at-ces-2016

"The board also features a high quality 8/16 phase design along with the latest in digital PWM technology. According to Steve B. from TweakTown, the VRM is well tuned, minor rails are all using 40A power stages, and LLC is some of the best he has seen so far."

I guess it won´t serve you much because all those guys are noobs as you hold the ultimate well of PC knowledge tongue.gif

@Sin0822 http://www.overclock.net/u/145269/sin0822

Sin0822 where you at bro, lets get all sides of this LLC story, I personally had no idea you couldn't measure the differences between llc settings such as Extreme and Turbo. I have always just used Turbo for ambient testing and Extreme when benching cold, but wuld be nice to have this cleared up.
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post #9299 of 11361
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post #9300 of 11361
Quote:
Originally Posted by lilchronic View Post

THanks bro... a video is more likely to be "read".
Yep - Der8auer did a nice job in the video... you do know I posted those same charts here a few years ago . They are from an article published when the QX9650 launched. wink.gif

It's all related to this (for 2011-3, I have thhe skylake Ds somewhere... redface.gif):



LLC "offset" does exactly that, reduces the vdroop that we can see with OS tools, but elevates the transient spike - it's a Maxwell (the physicist) thing, clamp a voltage, change the current (= load) and the voltage will oscillate around the clamped value. Bottom line is, modern VRMs are able to dampen the oscillation but not eliminate it. Praz posted some scope data showing that the ASUS vrm array performed well, but the data was obtained without using the Intel socket tool AFAIK. Personally, I'd rather increase the idle voltage (contrary to der8auer) and allow vdroop... limit/knowing the extent of the voltage excursion, which will swing a higher relative magnitude as the set load voltage is raised.
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Optical DriveCoolingOSOS
Plextor DVD/BR R/W (very) Custom Water Windows 10 Pro Windows 7 Pro 
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ASUS 144Hz Ducky Corsair 1500i Microcool Benchetto 101 
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Steelseries Rival Ultimate ears TF10s (IEMs) 
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