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Skylake Overclocking Guide [With Statistics] - Page 871

post #8701 of 11361
Quote:
Originally Posted by Cakewalk_S View Post

Thought the VCCSA was ok, obviously I thought wrong. I thought 1.25v was a little high for that? Maybe not? I'm amazed that 4.3Ghz requires 1.290+ if that's what's truly making it unstable...HOPEFULLY not... mad.gif
I think I had good results with the VCCIO at 1.2V so I'll try that for a start again. LLC5 seems to be working quite well. I don't really see any drops in voltage at load under 1.280v which is what I want right now. Once I get things stabled out on the VCCIO and VCCSA I'll try dropping the Vcore again and go from there. Prime95 is really making things hot. I'm seeing 70C even with a delided chip... obviously the non-lapped IHS is contributing to those temps. CPU cooler is lapped, but its also a 64mm high SFF cooler...
Don't use p95 man. Newer version are glitchy. My go to is 1 hour OCCT with linpack and all virtual cores enabled them 8 hours x264. P95 will pop up fake errors. At least newer version will.
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post #8702 of 11361
Quote:
Originally Posted by HOODedDutchman View Post

Quote:
Originally Posted by Cakewalk_S View Post

Thought the VCCSA was ok, obviously I thought wrong. I thought 1.25v was a little high for that? Maybe not? I'm amazed that 4.3Ghz requires 1.290+ if that's what's truly making it unstable...HOPEFULLY not... mad.gif
I think I had good results with the VCCIO at 1.2V so I'll try that for a start again. LLC5 seems to be working quite well. I don't really see any drops in voltage at load under 1.280v which is what I want right now. Once I get things stabled out on the VCCIO and VCCSA I'll try dropping the Vcore again and go from there. Prime95 is really making things hot. I'm seeing 70C even with a delided chip... obviously the non-lapped IHS is contributing to those temps. CPU cooler is lapped, but its also a 64mm high SFF cooler...
Don't use p95 man. Newer version are glitchy. My go to is 1 hour OCCT with linpack and all virtual cores enabled them 8 hours x264. P95 will pop up fake errors. At least newer version will.


Yea, I figured I'd try with an older version...nope...

I'm using x264 and RealBench for my stress test. Honestly I like RealBench a tad more. I can actually see and confirm the unstability for my system rather than like a crash in x264...or maybe x264 does tell you? I haven't had a crash with that yet but I have with RealBench...
post #8703 of 11361
Quote:
Originally Posted by HOODedDutchman View Post

Do you ever get into Windows when you set adaptive or does it just bsod on boot n you have changed nothing except change from manual to adaptive ? If you get in to Windows check voltage and see how it compares. If not you may have to jump it up. With adaptive and offset voltage will fluctuate by about .03-.04v and can differ from what you've set by a lot. So you may be setting 1.38 and it could be 1.35-1.38v in Windows. You need to make it so the minimum you see under a light load is your stable 1.38v. I usually do this by running Intel burntest on lowest setting and watching voltage in cpuz to make sure minimum voltage doesn't drop below the manual stable voltage which in ur case is 1.38v.
Thats the problem, I don't get into Windows. BSOD before login screen. I have even tried 1.4v, LLC at Auto and LLC 4.
So I dont realy know what else I could do tbh.
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post #8704 of 11361
Quote:
Originally Posted by Mjolken View Post

Quote:
Originally Posted by HOODedDutchman View Post

Do you ever get into Windows when you set adaptive or does it just bsod on boot n you have changed nothing except change from manual to adaptive ? If you get in to Windows check voltage and see how it compares. If not you may have to jump it up. With adaptive and offset voltage will fluctuate by about .03-.04v and can differ from what you've set by a lot. So you may be setting 1.38 and it could be 1.35-1.38v in Windows. You need to make it so the minimum you see under a light load is your stable 1.38v. I usually do this by running Intel burntest on lowest setting and watching voltage in cpuz to make sure minimum voltage doesn't drop below the manual stable voltage which in ur case is 1.38v.
Thats the problem, I don't get into Windows. BSOD before login screen. I have even tried 1.4v, LLC at Auto and LLC 4.
So I dont realy know what else I could do tbh.


I seem to have a pretty stable Vcore under load/light load with a LLC of 5 on my Asus Z170i ITX board... I tried 4 but I saw too much of a drop from my Vcore in the bios.
post #8705 of 11361
Quote:
Originally Posted by Cakewalk_S View Post

I seem to have a pretty stable Vcore under load/light load with a LLC of 5 on my Asus Z170i ITX board... I tried 4 but I saw too much of a drop from my Vcore in the bios.
R u offset/adaptive or manual ?
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post #8706 of 11361
Quote:
Originally Posted by HOODedDutchman View Post

Quote:
Originally Posted by Cakewalk_S View Post

I seem to have a pretty stable Vcore under load/light load with a LLC of 5 on my Asus Z170i ITX board... I tried 4 but I saw too much of a drop from my Vcore in the bios.
R u offset/adaptive or manual ?


Offset. I have "Auto" additional offset voltage and 1.295v right now in bios... doubtful its stable though.


So I like that my CPU downclocks for great idle temps and low power draw, especially when studying for grad school... thumb.gif

Do we like to have Intel SpeedStep enabled?
What about Spread Spectrum? My bus clock seems to be fluctuating some from 99.97MHz to 101.00MHz... Could this be a source of my instability?
post #8707 of 11361
Quote:
Originally Posted by Cakewalk_S View Post

Quote:
Originally Posted by HOODedDutchman View Post

Quote:
Originally Posted by Cakewalk_S View Post

I seem to have a pretty stable Vcore under load/light load with a LLC of 5 on my Asus Z170i ITX board... I tried 4 but I saw too much of a drop from my Vcore in the bios.
R u offset/adaptive or manual ?


Offset. I have "Auto" additional offset voltage and 1.295v right now in bios... doubtful its stable though.


So I like that my CPU downclocks for great idle temps and low power draw, especially when studying for grad school... thumb.gif

Do we like to have Intel SpeedStep enabled?
What about Spread Spectrum? My bus clock seems to be fluctuating some from 99.97MHz to 101.00MHz... Could this be a source of my instability?
Speedstep enabled (or Auto). Spread spectrum disabled for overclocking seems generally recommended.
post #8708 of 11361
check that you have CPU SVID Enabled or on Auto. As others have said, speedstep enabled, spreadspectrum disabled and c-states Disabled (for now). LLC 4 thru 6 is fine. Ideally, rather than trying to simply switch vcore control from manual to adaptive leaving all other settings as you had them for manual, CLRCMOS then set the OC up fresh. Offset may need ot be 10-20mV with the remainder of the required vcore in adaptive.
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post #8709 of 11361
Quote:
Originally Posted by HOODedDutchman View Post

Don't use p95 man. Newer version are glitchy. My go to is 1 hour OCCT with linpack and all virtual cores enabled them 8 hours x264. P95 will pop up fake errors. At least newer version will.
What fake errors? Have you tried to reduce clock and try it on default?
post #8710 of 11361
Quote:
Originally Posted by Raghar View Post

What fake errors? Have you tried to reduce clock and try it on default?
Never bothered. Read on here 28.9 is glitched cuz avx2 etc. I can run any other stress test forever with my oc so why care about prime95 ?
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