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i7 6700k OC Troubles Please Help *Updated 4/18/17* *Kinda Solved* - Page 6

post #51 of 73
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Quote:
Originally Posted by stephenn82 View Post

huh. that is pretrty strange.

according to them, it works up to 3400mhz...

https://www.asus.com/us/Motherboards/Z170-A/

Scroll down a bit.
yea its driving me crazy lol im gonna put it on default auto and try to see what volages it has things set to

Oh okay hmm. I thought i saw a pdf file and i only saw 3000Mhz but hey if it goes up to 3400Mhz then sweet

Alright man have fun with the new phone, just wanna say thanks for the help thus far im gonna try and tinker with this some more and see why usb devices are not stable after oc manually
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post #52 of 73
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Update 4/16/17

Was irritated with usb devices not working so i started at default again, this time all i did was mess with cpu ratio and voltage set manually instead of adaptive, everything else auto(i know llc on auto doesnt sound that great) also no XMP enabled so its running at stock 2133Mhz

i believe i have it set at 1.33 Vcore and 4.5Ghz Overclocked.
started at 1.28 and increasey by .005 Vcore until i could run all becnh/stress tests without BSOD, and no USB devices have been failing (even under load)

Used HWINFO, CPU-Z, XTU, Prime95 26.6v (FOR SKYLAKE DONT USE PAST THIS Prime95 VERSION)


after boot idle temps were 21-26 C (after i took some can aired to the rig and also got rid of dust around desk and components)


Stress Test Prime95 Temps(these were the highest peak temps, sometimes temps would go down to 56-63 during test)



XTU Benchmark



CPU-Z Benchmark





So i would like to still overclock my ram and see if problems occur or just leave it on stock and say F*** It. ? skull.gif .. Not Sure Yet
Edited by Kornbread987 - 4/18/17 at 7:22pm
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post #53 of 73
Thats pretty decent. you could bump up the vcore just a touch of .005 more to make sure, and then try ram at xmp mode 1?

Finally getting some results though!
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post #54 of 73
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Quote:
Originally Posted by stephenn82 View Post

Thats pretty decent. you could bump up the vcore just a touch of .005 more to make sure, and then try ram at xmp mode 1?

Finally getting some results though!

Yea ended up bumping Vcore .005 because after 1hour prime 95 it did clock_watchdog_timeout BSOD then after that it was smooth sailing ran 164-167 passes on prime 95 and no BSOD and max temp was 75 i think that was 3 hours worth.


Also xmp mode 1? i think there is only one option for xmp that i have? unless you are just telling me to turn on xmp?
Edited by Kornbread987 - 4/18/17 at 7:29pm
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post #55 of 73
Quote:
Originally Posted by Kornbread987 View Post

My cpu starting to get me frustrated lol seems like everyone else cpu is golden xD my buddy uses 1.35v i think and get 4.9ghz on his i7 6700k

Hey, you could be even worse off. My 6700K runs with ~1.3V at 4.4GHz, getting it stable at 4.5GHz requires about 1.4V. I can get it to boot at 4.6GHz with 1.4V, but I don't even want to try to get it stable at that frequency. Would probably need closer to 1.5V for that, and I'm rather certain I'd hit thermal throttling limit (100C) when trying to launch a benchmark then :-) It's worth noting the CPU's VID values fluctuate around 1.35V - 1.4V with the 4.4GHz OC. Looks like Intel actually measures their chips pretty well before shipping.

4.4GHz is the sweet spot for my chip it seems, the amount of extra voltage required for the next 100MHz is rather excessive. For daily use I have set DVID -0.035V at 4.4GHz, it keeps it nice and stable (used to have -0.050V, but running AVX prime95 for several hours caused a crash so I bumped it up a bit. Been working just fine after that.) - VCore with this setting fluctuates around 1.28V - 1.31V during heavy use. My motherboard is sort of a feature reduced version of a mainstream OC platform, Gigabyte GA-Z170-GAMING K3-EU. It suits my needs (although in retrospect I should've just paid extra ~30€ for one of the flagship motherboards, even though they tend to come with about a million unnecessary features)

Temps in non-AVX heavy use / torture applications stay generally just under 70C or at the very most in low 70s. In AVX applications we cross the 80C line, hours of Prime95 small FFT torture will get it close to 90C, but for example Folding@Home with a work unit utilizing A7 core only ramps up to mid-80s occasionally, and generally stays just around 80C. In my more usual gaming scenario core temps rarely go above 60C for longer periods of time. True idle temps will stabilize just a few degrees C above ambient, generally under 30C (waiting for that summer heat wave...). With usual background activity (read: cookie clicker on firefox) idle temps fluctuate roughly between 30 and 40C.

The system is air cooled, CPU heatsink used is Thermalright's Macho Rev. B. Case is a Fractal Design R5 - I really love the acoustic padding around the case, makes my machine run rather quiet even at full fans.
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post #56 of 73


This is my overclock. I have voltage set at 1.375v in BIOS in manual mode with LLC @ 4.

Turn off speedstep if you haven't btw. I also had to underclock my ram to get any sort of stable OC. My 3200mhz ram I'm running at 2666mhz.
I turned off all C-states as well.
post #57 of 73
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Quote:
Originally Posted by Kalpa View Post

Hey, you could be even worse off. My 6700K runs with ~1.3V at 4.4GHz, getting it stable at 4.5GHz requires about 1.4V. I can get it to boot at 4.6GHz with 1.4V, but I don't even want to try to get it stable at that frequency. Would probably need closer to 1.5V for that, and I'm rather certain I'd hit thermal throttling limit (100C) when trying to launch a benchmark then :-) It's worth noting the CPU's VID values fluctuate around 1.35V - 1.4V with the 4.4GHz OC. Looks like Intel actually measures their chips pretty well before shipping.

4.4GHz is the sweet spot for my chip it seems, the amount of extra voltage required for the next 100MHz is rather excessive. For daily use I have set DVID -0.035V at 4.4GHz, it keeps it nice and stable (used to have -0.050V, but running AVX prime95 for several hours caused a crash so I bumped it up a bit. Been working just fine after that.) - VCore with this setting fluctuates around 1.28V - 1.31V during heavy use. My motherboard is sort of a feature reduced version of a mainstream OC platform, Gigabyte GA-Z170-GAMING K3-EU. It suits my needs (although in retrospect I should've just paid extra ~30€ for one of the flagship motherboards, even though they tend to come with about a million unnecessary features)

Temps in non-AVX heavy use / torture applications stay generally just under 70C or at the very most in low 70s. In AVX applications we cross the 80C line, hours of Prime95 small FFT torture will get it close to 90C, but for example Folding@Home with a work unit utilizing A7 core only ramps up to mid-80s occasionally, and generally stays just around 80C. In my more usual gaming scenario core temps rarely go above 60C for longer periods of time. True idle temps will stabilize just a few degrees C above ambient, generally under 30C (waiting for that summer heat wave...). With usual background activity (read: cookie clicker on firefox) idle temps fluctuate roughly between 30 and 40C.

The system is air cooled, CPU heatsink used is Thermalright's Macho Rev. B. Case is a Fractal Design R5 - I really love the acoustic padding around the case, makes my machine run rather quiet even at full fans.

Atleast you got 4.4Ghz, but yea if i had to go over 1.35v just for 4.5Ghz id prob step down to 4.4Ghz because even though intel says 6700k can go up to 1.45 id rather not lol temps would be horrible.

But i may test 4.4Ghz to see if temps are gonna alot better although mt current temps are nice.

Quiet is nice, i currently have all my fans running on max because my ambient temps fluctuate alot. Surprisingly it isnt too loud, thinking of upgrading fans, to get even quieter ones
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post #58 of 73
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Quote:
Originally Posted by b0oMeR View Post



This is my overclock. I have voltage set at 1.375v in BIOS in manual mode with LLC @ 4.

Turn off speedstep if you haven't btw. I also had to underclock my ram to get any sort of stable OC. My 3200mhz ram I'm running at 2666mhz.
I turned off all C-states as well.

Hmm i may try to find my sweet spot with ram, but not sure if it will be worth it going from 2133Mhz to 2400-2800Mhz because as soon as i try to overclock my cpu requires more vcore just to boot up.

Ill try turning off speedstep and cstates and see what results i get, what does turning those off benfit to OC jw?
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post #59 of 73
Quote:
Originally Posted by Kornbread987 View Post

Ill try turning off speedstep and cstates and see what results i get, what does turning those off benfit to OC jw?

They remove all the modern power saving features found in modern CPUs. You may be able to gain higher stability or slightly higher maximum overclock without them. However your CPU will be run at maximum speed even when idle, increasing power consumption and heat generation (and your electricity bill)

I would advise against turning them off for 24/7 use, instead trying to find a solution that works with power saving features enabled, but this is entirely up to you.
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post #60 of 73
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Originally Posted by Kalpa View Post

They remove all the modern power saving features found in modern CPUs. You may be able to gain higher stability or slightly higher maximum overclock without them. However your CPU will be run at maximum speed even when idle, increasing power consumption and heat generation (and your electricity bill)

I would advise against turning them off for 24/7 use, instead trying to find a solution that works with power saving features enabled, but this is entirely up to you.

Yea i did some research and saw they were power saving stuff, i currently already run high performance mode and when i turned those settings off(from auto) i didnt see any difference, but i did read you save roughly 20$ a year on those power saving options, and the article was saying you can save roughly 160$ just using sleep mode (which i currently dont and prob will soon). as far as how accurate the number are im not sure, but everything is stable with/without the options on. Except RAM, but thats because ive decided to just stick with stock 2133Mhz since OC it requires me to add more Vcore, and my usb devices start messing up :/

*side note i think i have tried the power saving options enabled/disabled before when trying RAM OC*
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