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Haswell Overclocking Guide [With Statistics] - Page 848

post #8471 of 19568
Quote:
Originally Posted by Polarityy View Post

Yea I guess, but watching people doing 4.6 at barely 1.3 just makes me wonder what evil have I done in this world to deserve this tongue.gif. And no I did not touch SA or IO.

I think you need leave RAM settings at stock. Play with Uncore and Multi, when you have a stable setup, play with BCLK but only a little bit. The last step is RAM
post #8472 of 19568
@polarityy 4.4 is good enough bro ..i got mine 4,8ghz 1.330v stable with all stress test within 1 hour, above that need to push it more to 1.369v. Is just not it lol i got this chip after my 7th trial. So what you have now ia just ok.. Not really bad. My friend 3rd trial still got max @ 4.3ghz on 1.35v even worst one chip never get higher from 4.2ghz .. Haswell is kinda weird tho.
Edited by soulbytes - 1/17/14 at 11:55am
post #8473 of 19568
Quote:
Originally Posted by Peybol View Post

I think you need leave RAM settings at stock. Play with Uncore and Multi, when you have a stable setup, play with BCLK but only a little bit. The last step is RAM

It is stable, with this RAM speed and timings, I tuned them after I got the 44 multi and 39 uncore stable. I think I'm leaving it as it is and like I said throw in the towel. Thank you for your help tho guys, much appreciated.
post #8474 of 19568
Ye i understand you, my i5 4670k can't reach 4.65Ghz, i tried up to 1.4Vcore but its impossible make it stable. At least i have a good and stable OC, 4.4Ghz at 1.23Vcore smile.gif
post #8475 of 19568
Quote:
Originally Posted by Darkwizzie View Post

Very excited to bring you the latest rounds of updates to the guide! It will be updated shortly.

First up:

Stress test temperatures updated. Fixed Prime "30.1" which was probably "28.1". Now using 28.3. New programs included, deleted OCCT Medium result so there are only L and S temps. (Crowding up chart and doing nothing)





Linpack 28k isn't actually 100C, I had to stop within 30 seconds due to CPU meltdown. I'm not destroying a CPU for the data.

And now, for the  Adaptive vs C states data:
My tests show that adaptive is a USELESS voltage mode. 


Adaptive On Cstates Off showed the same idle voltage as Adaptive off (Override) Cstates off.
Adaptive Off Cstates On showed very low idle voltage.

Adaptive On Cstates On showed identical results to Adaptive Off Cstates On.


Having Adaptive On means your voltage increases by a large amount during a synthetic stress test. Because adaptive doesn't seem to do anything and of this possible safety hazard, I now recommend people to turn Adaptive OFF and Cstates ON to C7.

In all three cases, the idle clock speed of the processor did not change as measured by HWinfo. For this I also doublechecked with CPUZ and it agreed with HWinfo.

Input Voltage and Uncore increasing temps: The Verdict
No significant or easily measurable increase in temps were present. The temperatures were within margin of error. Tested with Prime95 28.3 with HWinfo.

Test settings:

Default Setting:

43/34
1.25/1.18
1.9v Vrin

Testing Uncore increase in temps:
43/31
1.25/1.28
1.9v Vrin

Testing Uncore + Input Voltage:

43/34
1.25/1.28
2.15v

Testing for LLC:
Please note I can only test LLC for MSI G45 Gaming Board. For this mobo, the setting is under the "DigitAll Power" section. Also note that LLC is for Vrin, NOT Vcore, Load tested with Prime95 28.3 with HWinfo. The Vrin as set by BIOS is 2.15v.


12% LLC: 
IDLE: 2.176v
LOAD: 2.112v

100% LLC:

IDLE: 2.176v
LOAD: 2.16v

thumb.gif
Quote:
One thing i observed is when you keep Uncore-34/35x@ stock, it automatically bump ups to 40x when you are into Windows and worst part was that everytime i put 34/35x in BIOS and hit x264 / IBT stress testing i was getting BSOD's from first Vcore setting to final.Then out curiosity tried to do stress test on XTU ( third tester in my OC stress buster ) and to my surprise i saw Uncore -40x@ 0.80V rolleyes.gifrolleyes.gif

Isn't this covered in the guide? That's why me and many others have said set uncore to 33x when you're testing core biggrin.gif (hundreds of times by this point)

Just scanned over, since you guys made no less than >77< posts when i was sleeping

For the guy setting 111 base clock - don't do that tongue.gif

Intel's advice is not to deviate more than ~5-7% up or down from 100, 125 or 167. You're safer only moving a few mhz up/down, but it's still a little dodgy sometimes
Edited by Cyro999 - 1/17/14 at 4:41am
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post #8476 of 19568
as what i have been through 7 chips.. you wont get any stable 4.6ghz and above oc if your temp reach 90.. different when it on 4,4 1,35v above, it reach 90-98 i disable cpu throtlig .. all benchmark went well. so i might say work on your temp before OC. as my chip now always watch no temp go over 88c when stress testing .. if it hits 90 bsod always there 124 or 101.
post #8477 of 19568
Quote:
Originally Posted by Cyro999 View Post

thumb.gif
Isn't this covered in the guide? That's why me and many others have said set uncore to 33x when you're testing core biggrin.gif (hundreds of times by this point)

Just scanned over, since you guys made no less than >77< posts when i was sleeping

No you said 34X ( keep it at stock ) buttkick.gif
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post #8478 of 19568
Quote:
Originally Posted by Johny Boy View Post

No you said 34X ( keep it at stock ) buttkick.gif

No, i never say keep it at stock tongue.gif

I usually say 33x, because 35x is stock on i7 and 34x is stock on i5, but i always say manually set
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post #8479 of 19568
Quote:
Originally Posted by fleetfeather View Post

Freeze will be due to cache voltage too low most probably, with memory instability somewhat less likely (yet still very possible). When you adjust bclk, you're moving core clock, cache clock, and memory clock. Please don't use bclk of 111 rofl - youre in no-mans land with that. Use a higher multiplier with lower bclk instead. The formula is:

Frequency * bclk * strap (adjust decimal points as necessary)


The higher you attempt to clock memory, the looser the timings. No set timings apply for a given frequency; it's specific to the DIMMs themselves. If you bought lower-end memory, chances are you won't be able to clock it much higher even with loser timings and more voltage - memory is not a cpu, not all DIMMs are on the same playing field and different clocks aren't a matter of chance. The only exception I can think of for low clocked memory which can reach high clocks is Samsung Green
Ah yes, but my uncore is set to 33, and I have moved from 1.22 voltage uncore to 1.39 as of yesterday...adaptive, so it makes me think that it's not an uncore problem. Also, the freezes come after about 30-45 minutes of playing, sometimes 20 minutes which makes me think memory timings are causing the freezing.
post #8480 of 19568
Quote:
Originally Posted by Unknownm View Post


yep, I deffs read that in my best asian accent. strong laugh/10
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