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 Higher Volt Lower Clock = Instability?, Trouble with i7-6700k

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TSsasaug
post Aug 17 2016, 01:01 PM, updated 8y ago

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Hi, I just got a 6700k ES(Engineering Sample) like few weeks back and every 1 or 2 day I get a BSOD of WHEA_UNCORRECTABLE_ERROR in Windows 10.

Spec as followed:
i7-6700k Engineering Sample (3.4Ghz default @ 1.187V)
ASUS Z170m
1x 16GB Kingston Value 3400 DDR4 RAM
Zotac GTX1060
CoolerMaster Vanguard 850W

I started off with stock BIOS settings and still it BSOD.

I tried different settings, like bumping up voltage such as running 3.6Ghz/3.8Ghz @ 1.35V which is a higher voltage considering a stock i7-6700k should run at 4Ghz @1.2V. I ran Prime95 for 30 minutes and it's all good but it BSOD on random task like browsing web site/play youtube etc(surprisingly it rarely crash when gaming)

So my question is, can I run at a higher voltage but at a slower clock? Or will that cause stability issue? And if any of you happen to have this ES(2.6Ghz version) which I got from a LYN forumer in Garage Sales, what sort of settings are you guys running on?

Thanks.

goldfries
post Aug 17 2016, 10:09 PM

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Depends on chip, ideally you want to get a good clock with lowest voltage possible.
Quazacolt
post Aug 18 2016, 07:10 AM

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QUOTE(sasaug @ Aug 17 2016, 01:01 PM)
» Click to show Spoiler - click again to hide... «

So my question is, can I run at a higher voltage but at a slower clock? Or will that cause stability issue? And if any of you happen to have this ES(2.6Ghz version) which I got from a LYN forumer in Garage Sales, what sort of settings are you guys running on?

Thanks.
*
with bolded, i think there may be issue with specific hardware and best if you can run stress test/memory test etc to rule out what specifically is causing the issue. (maybe psu voltage instability? memory sticks? maybe swapping the stocks around? possible to swap hardware such as cpu/mobo/memory etc?)

increasing voltage while keeping stock clock MAY help, however it is a workaround method dodging the original issue and you gain nothing out of it as increasing voltage also potentially reduces component lifespan/increasing temperatures while not gaining performance which seems very detrimental and totally against the original intention to increase voltages.
goldfries
post Aug 18 2016, 11:07 AM

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QUOTE(sasaug @ Aug 17 2016, 01:01 PM)
So my question is, can I run at a higher voltage but at a slower clock? Or will that cause stability issue? And if any of you happen to have this ES(2.6Ghz version) which I got from a LYN forumer in Garage Sales, what sort of settings are you guys running on?
Missed this - yes you can run at higher voltage. Just don't go too high.

Up the Vcore by 0.05, go bit by bit until you get it stable.

filefresh
post Aug 30 2016, 12:36 PM

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14nm less tolerance on high voltage, long term usage not recommend over 1.3v
Koyomi
post Sep 1 2016, 02:59 AM

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https://www.youtube.com/watch?v=79jb_hcMHR0

 

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