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Haswell Overclocking Guide [With Statistics] - Page 625

post #6241 of 19539
Quote:
Originally Posted by Cyro999 View Post

That seems.. very very bad.

I'd manual in ~1.25vcore, 1.85 VRIN, a decently high LLC level, 1.2 ring, uncore 100mhz below stock so it doesn't turbo, and then check what core multiplier you can pass x264 with, but you're using 0.12v more than my "meh" chip at stock clocks

My chip was doing 1.21v blips on the desktop. His chip isn't the best, but its not the worst either
post #6242 of 19539
Quote:
Originally Posted by fleetfeather View Post

i find it really interesting that you guys claim you have a lot of issues with strange instabilities from unknown sources. My chip acted as all chips of previous generations have

BSOD 124's, rectified through bumping vcore.

This error and fix above was probably assisted my keeping my VRIN close to the guidelines listed in the OP (1.85 VRIN for <1.28v vcore, 1.90 VRIN for 1.28-1.35vcore, 1.95 VRIN for >1.35vcore), and putting the Vring value to 1.20v (even when uncore is stock). Honestly, there's no reason not to put VRIN and Vring higher than the 'baseline minimums' just to rule out the possibility of instability caused by them.

The two differences between this generation and those past, again according to Asus' in house testing on 100s of CPUs as reported in their forums and in JJ's videos.

1. When you increase Core Voltage on HW, it has a higher corresponding increase in temperature than we have seen before in previous generations.
2. HW has a much wider difference in variabiity between different units off the line .... one chip might get to 4.6 at 1.15v, another might take 1.40v to hit same speed.
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post #6243 of 19539
Quote:
Originally Posted by fleetfeather View Post

My chip was doing 1.21v blips on the desktop. His chip isn't the best, but its not the worst either

Most of this stuff is all on auto. Do we have a chart of some good baseline values for all of these? My 4670k was easy. I just put +0.27v (from stock 1.00 or so) and ran 4.4 AVX 2. Uncore is even at 4.4 I believe.
post #6244 of 19539
Quote:
1. When you increase Core Voltage on HW, it has a higher corresponding increase in temperature than we have seen before in previous generations.

Under the same load, like x264, i'm pretty sure it's essentially the same as Ivy Bridge there - and the only reason for that is Delid/IHS issue. I mean, my friend is running 1.47vcore on a 4770k and h110, and his temps are freezing under encoding loads
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post #6245 of 19539
Ok officially quitting.

Set cache ratio to 34x and then tried to run 38x cpu @ 1.27v and it won't even let me start the test...but 37x runs without errors. Just going to leave it stock.

EDIT: lol computer just restarted running AVX2 Linpack on stock multipler and auto voltage....damn.
post #6246 of 19539
Quote:
Originally Posted by wy2sl0 View Post

Most of this stuff is all on auto. Do we have a chart of some good baseline values for all of these? My 4670k was easy. I just put +0.27v (from stock 1.00 or so) and ran 4.4 AVX 2. Uncore is even at 4.4 I believe.

what cooling have you got for you 4770K? I can give you the values I used for my chip, providing you're willing to push 1.35 Vcore. That said, if your system is BSOD'ing with stock values, you need to check for instability elsewhere in your system. If there's no instability elsewhere, it'll be RMA time lol
post #6247 of 19539
Quote:
Originally Posted by fleetfeather View Post

what cooling have you got for you 4770K? I can give you the values I used for my chip, providing you're willing to push 1.35 Vcore. That said, if your system is BSOD'ing with stock values, you need to check for instability elsewhere in your system. If there's no instability elsewhere, it'll be RMA time lol

I just RMA'd. We will see if NCIX approves or not. I have never done this before - what ****ty luck.
post #6248 of 19539
Can it happen that, when i have a fully stable oc and want to test another OC and change the stable settings(for testing other setting) and change it back to the stable settings ,that this settings are not stable any longer...


...i know...confusing...
post #6249 of 19539
Were you ever stable in the first place?

I mean did you have a profile that you used for a week that you passed stress with and gamed on etc?

You're talking about changing settings all of the time, asking what causes 101 bluescreens and such - were you ever stable? tongue.gif

Passing a stress test doesn't mean stable
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post #6250 of 19539
I mean if i have a Stable setting and change it....and want this stable setting back...could it be unstable...just because its applied New?
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