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Skylake Overclocking Guide [With Statistics] - Page 870

post #8691 of 11364
Quote:
Originally Posted by Unstoppable View Post

Hey all,

I recently bought a new PC, and with that a 6700k CPU. Today I tried to overclock it, but with some rather disappointing results. It seems to be stable at 4.4GHz with 1.295V, but that seems rather "crappy" when looking at the overclocks other people have. Temps seem to be okay when running Prime and RealBench, usually in the high 60C range.

When upping the multiplier to x45, I need atleast 1.4V to keep it stable (haven't done extensive testing yet). That kind of is a little high for my tastes, even though I have a custom WC loop. I tried to disable the XMP profile and increasing VCCIO and VCCSA voltages, but it doesn't seem to have any impact.

Is there anything else I could try? Or did I just lose the lottery? tongue.gif


Instead of playing with the multiplier how about decreasing the multiplier and increase the base clock so that it equals to whatever clock you want and make sure you watch out for your memory speed because it ties in with your base clock.
Edited by ericool69 - 8/28/16 at 3:59pm
post #8692 of 11364
Quote:
Originally Posted by Deders View Post

I'd say if it is stable with the lower voltage at level 4, then go with that.

1.52v is on the Intel spec but apparently it is misleading. Can't remember exactly why.

1.52V with the proper ~0.06V vdroop would get you ~1.46V under load
Most here are using LLC to get rid of vdroop altogether though.
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post #8693 of 11364
I wont give up this. Long story short.. I need to run my 4.6Ghz @ 1.38v(manual) OC with Adaptive voltage instead. Reason? Because I want it to lower the voltage when the PC is in idle
as I have it on pretty much 24/7!

As it is now with Manual Voltage.. it wont lower it at all. Keeps running at 1.38v even when CPU is idle.

Problem.. when I change to Adaptive with the voltage settings I want (see below) I get BSOD at bootup, (IRQL_Less_or_not_Equal) is the BSOD I get.
Additional Turbo Mode Voltage = 1.38v, Offset Mode Sign = + ,and Offset Voltage = Auto.

I have mentioned it before, I use LLC 5, C-States = Auto.
So.. What on earth could I do to be able to run with Adaptive Voltage. Change C-states from Auto to something else? Or is it just not possible on my Asus motherboard torun with it?
Atleast on of you probably know. So help would be realy awesome. Thanks.

Warning: Spoiler! (Click to show)
Quote:
Originally Posted by Mjolken View Post

Okey.. I'm back again now. I'm going to ask this before I start, SHOULD I use adaptive voltage to be able to lower the voltage while PC is in idle? As of now when idle I'm running
at my load voltage which is 1.38v. Running voltage at full load even tho cpu is in idle seems "bad"?

What I did was I tried to use Adaptive voltage, which gave me BSOD (IRQL_Less_or_not_Equal) on startup. And I dont know what to do, so I need your help.

*TLDR*

1. Should I use Adaptive voltage to get lower voltages at idle?
2. What should I do to be able to do this? (As I get BSOD if I change to Adaptive).


If you need more info, tell me and I'll try to provide them.
// Mjolk

Added pictures of my bios now, did not take printscreens as I dont have an USB stick right now.. so used the phone! Warning: Spoiler! (Click to show)







Warning: Spoiler! (Click to show)
Quote:
Originally Posted by Flattervieh View Post

+
This are my Settings for 4.7 GHz for example:

Btw: This only works if u are using a BCLK of 100 or lower. otherwise the CPU doesnt go into Turbo Mode and doesnt apply the Turbo Mode Voltage, because for example 125x 36 is 4.5GHz and 36 is not a turbo multiplier.
Quote:
Originally Posted by Mjolken View Post

That looks just like I did, but I used 1.38v instead for my 4.6Ghz setup. Still getting the BSOD (irql_not_less_or_equal)
I got c-states on Auto, LLC 5. I'm realy confused about what to do still. I would hope someone out there would know..

CPU Model: i7 6700K
Base Clock: 100
Core Multiplier: 46
Core Frequency: 4.6Ghz
Cache Frequency: 4.4Ghz
Vcore in UEFI: 1.38v (Manual)
Vcore: 1.384v
FCLK: 1Ghz
Cooling Solution: Noctua NH-D15
Stability Test: Custom x264, 16 threads, Infinity loops (55+ loops done, about 6+ hours).

Batch Number: Don't have the box left.. might be cause I broke it when unpacking!
Ram Speed: 2666Mhz, 16-18-18-35-2T - 1.200v - DDR4. Using XMP.
Ram Voltage: 1.200v
Motherboard: Asus Z170 Pro Gaming
LLC Setting: LLC Level 5
Misc Comments: C-States = Auto.
Edited by Mjolken - 8/28/16 at 10:25pm
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post #8694 of 11364
Quote:
Originally Posted by Mjolken View Post

I wont give up this. Long story short.. I need to run my 4.6Ghz @ 1.38v(manual) OC with Adaptive voltage instead. Reason? Because I want it to lower the voltage when the PC is in idle
as I have it on pretty much 24/7!

As it is now with Manual Voltage.. it wont lower it at all. Keeps running at 1.38v even when CPU is idle.

Problem.. when I change to Adaptive with the voltage settings I want (see below) I get BSOD at bootup, (IRQL_Less_or_not_Equal) is the BSOD I get.
Additional Turbo Mode Voltage = 1.38v, Offset Mode Sign = + ,and Offset Voltage = Auto.

I have mentioned it before, I use LLC 5, C-States = Auto.
So.. What on earth could I do to be able to run with Adaptive Voltage. Change C-states from Auto to something else? Or is it just not possible on my Asus motherboard torun with it?
Atleast on of you probably know. So help would be realy awesome. Thanks.

Warning: Spoiler! (Click to show)
Warning: Spoiler! (Click to show)

CPU Model: i7 6700K
Base Clock: 100
Core Multiplier: 46
Core Frequency: 4.6Ghz
Cache Frequency: 4.4Ghz
Vcore in UEFI: 1.38v (Manual)
Vcore: 1.384v
FCLK: 1Ghz
Cooling Solution: Noctua NH-D15
Stability Test: Custom x264, 16 threads, Infinity loops (55+ loops done, about 6+ hours).

Batch Number: Don't have the box left.. might be cause I broke it when unpacking!
Ram Speed: 2666Mhz, 16-18-18-35-2T - 1.200v - DDR4. Using XMP.
Ram Voltage: 1.200v
Motherboard: Asus Z170 Pro Gaming
LLC Setting: LLC Level 5
Misc Comments: C-States = Auto.
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.
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post #8695 of 11364
Quote:
Originally Posted by Unstoppable View Post

Hey all,

I recently bought a new PC, and with that a 6700k CPU. Today I tried to overclock it, but with some rather disappointing results. It seems to be stable at 4.4GHz with 1.295V, but that seems rather "crappy" when looking at the overclocks other people have. Temps seem to be okay when running Prime and RealBench, usually in the high 60C range.

When upping the multiplier to x45, I need atleast 1.4V to keep it stable (haven't done extensive testing yet). That kind of is a little high for my tastes, even though I have a custom WC loop. I tried to disable the XMP profile and increasing VCCIO and VCCSA voltages, but it doesn't seem to have any impact.

Is there anything else I could try? Or did I just lose the lottery? tongue.gif
If you are testing with p95 there is a glitch. I learned this early on with p95. Now I test with OCCT for 1 hour with linpack and use all virtual cores checked and then 8 hours of x264 from the link in this thread using 16 threads and normal priority.
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post #8696 of 11364
Quote:
Originally Posted by Deders View Post

I'd say if it is stable with the lower voltage at level 4, then go with that.

1.52v is on the Intel spec but apparently it is misleading. Can't remember exactly why.

When gaming I get around it ends up in the 50's and 60's. Very comfortable, and the fans hardly spin up. If I stress test it with OCCT, it can occasionally peak into the 90's. I do get the urge to delid as I suspect I could make it completely silent like my old 3.8GHz i5-750 was.

Those are pretty nice gaming temps. I guess I'll mess with some higher voltages then, and see what I get smile.gif
Quote:
Originally Posted by ericool69 View Post

Instead of playing with the multiplier how about decreasing the multiplier and increase the base clock so that it equals to whatever clock you want and make sure you watch out for your memory speed because it ties in with your base clock.

I know this an option, but I would use it as a last resort. I kind of like changing the multiplier only, since it doesn't influence other clocks tongue.gif
Quote:
Originally Posted by Yuhfhrh View Post

1.52V with the proper ~0.06V vdroop would get you ~1.46V under load
Most here are using LLC to get rid of vdroop altogether though.

Ah that makes perfect sense. Explains the recommended 1.45V ^.^
Quote:
Originally Posted by HOODedDutchman View Post

If you are testing with p95 there is a glitch. I learned this early on with p95. Now I test with OCCT for 1 hour with linpack and use all virtual cores checked and then 8 hours of x264 from the link in this thread using 16 threads and normal priority.

I didn't know this! That gives me some new hope. I'll try using OCCT instead. Where does the glitch come from? Shouldn't it be fixed via BIOS updates by now (if at all possible)?
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post #8697 of 11364
So I'm trying to get my 6700k stable... I thought it was but no...

Ran Realbench for the 8hour test only to come to wake up to a rebooted machine..ugh

Bios Vcore is 1.285v now and in windows its around 1.260-1.296v depending on the load @ 4.3Ghz.
VICCO - 1.18
VICCA - 1.20
Took my ram down to 3333MHz just to be on the safe side.

Going to give realbench another go. Previously it rebooted overnight at 1.265v in bios. We'll see what this comes up with today. Temps are decent. Around 63C max on load...
post #8698 of 11364
Quote:
Originally Posted by Unstoppable View Post

I didn't know this! That gives me some new hope. I'll try using OCCT instead. Where does the glitch come from? Shouldn't it be fixed via BIOS updates by now (if at all possible)?
I'm not sure but with every other gen I used it and never had an issue (including ivy bridge and haswell). Uses to use Intel burntest for 20 runs on maximum ram then prime95 for 4 hours on blend. This time around I was stable in Intel burntest then would error in prime95 within a few minutes no matter how much voltage I through at it. Someone mentioned it in here that the newer versions are glitched so I decided to change what I do and haven't had an issue. If you are getting bsod tho u r not stable. The glitch in p95 won't cause bsod but it will error for no reason.
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post #8699 of 11364
Quote:
Originally Posted by Cakewalk_S View Post

So I'm trying to get my 6700k stable... I thought it was but no...

Ran Realbench for the 8hour test only to come to wake up to a rebooted machine..ugh

Bios Vcore is 1.285v now and in windows its around 1.260-1.296v depending on the load @ 4.3Ghz.
VICCO - 1.18
VICCA - 1.20
Took my ram down to 3333MHz just to be on the safe side.

Going to give realbench another go. Previously it rebooted overnight at 1.265v in bios. We'll see what this comes up with today. Temps are decent. Around 63C max on load...
Did u try my recommendation of raising vccsa to 1.25v and dropping vccio to 1.15-1.2v ? If not you are definitely going about this the wrong way.
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post #8700 of 11364
Quote:
Originally Posted by HOODedDutchman View Post

Quote:
Originally Posted by Cakewalk_S View Post

So I'm trying to get my 6700k stable... I thought it was but no...

Ran Realbench for the 8hour test only to come to wake up to a rebooted machine..ugh

Bios Vcore is 1.285v now and in windows its around 1.260-1.296v depending on the load @ 4.3Ghz.
VICCO - 1.18
VICCA - 1.20
Took my ram down to 3333MHz just to be on the safe side.

Going to give realbench another go. Previously it rebooted overnight at 1.265v in bios. We'll see what this comes up with today. Temps are decent. Around 63C max on load...
Did u try my recommendation of raising vccsa to 1.25v and dropping vccio to 1.15-1.2v ? If not you are definitely going about this the wrong way.

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...
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