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Haswell Overclocking Guide [With Statistics] - Page 384

post #3831 of 19540
Set base clock to 100.01 to fix the 99.7 bug

Aside from that, you're using really aggressive uncore settings (i can't do 41x at that ring voltage) while you are still stabilizing core, you should probably leave it 34x til you're stable at the core multi you want. Maybe poke down a little with vrin but sometimes you just need moar vcore
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post #3832 of 19540
Thread Starter 
Quote:
Originally Posted by starmanwarz View Post

Hey guys, I need some feedback from the experts here regarding my OC.

Here are all the settings I changed:

Multi 46
Vcore 1.245
Uncore multi 43
Uncore Vring 1.2
CPU VRIN Override LLC Extreme
CPU VRIN Override Voltage 1.85
Memory XMP
C1E, C3, C6/C7 Disabled
EIST Enabled

Run AIDA64 with the above settings but 1.24 Vcore, crashed after 80 minutes.
Run AIDA64 with the above exact settings, crashed after 4 hours 10 minutes

Maybe if I add 0.005v to Vcore (for a total of 1.25v) then it should be ok. Or do I have to tweak other settings/voltages? How can I say which voltage needs to be raised?

I feel like I am pretty close to stabilizing it, just need like another day of testing.

Regarding temps, I never saw them go above 74, they were averaging high 60's/low 70's, max temps were 81-83 across all cores, they must have spiked like once or so.

Looks like I have a decent chip, what would you advice me to do? Leave it as it is, do some more tuning for an even more stable 4.6Ghz or push further? And something last, bus is set to 100Mhz but CPUZ shows it's like 99.70 and that drops the frequency to 4589 instead of 4600, how can I make this a round number?

Thanks in advance.

Yea, that's an aggressive uncore. Set it to stock when overclocking core. Maybe you do need that extra Vcore to be stable, how knows. What's the VCCIN for you?

 

I'd recommend setting a rock-solid-stable 4.6ghz regardless. If you're stopping at 4.6 you want it stable. If you want to go for 4.7, if all fails you have a fallback. In fact, you can set a 4.6ghz profile, thinking it's stable when it's not, go for 4.7, run back to 4.6, crash, and blame it on degradation when in fact you simply were not as stable as you guessed previously.

 

Once you hit 4.6 stable, go for 4.7 if you feel like it, lol. If you have the time to bother.

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post #3833 of 19540
Quote:
Originally Posted by Darkwizzie View Post

Yea, that's an aggressive uncore. Set it to stock when overclocking core. Maybe you do need that extra Vcore to be stable, how knows. What's the VCCIN for you?

I'd recommend setting a rock-solid-stable 4.6ghz regardless. If you're stopping at 4.6 you want it stable. If you want to go for 4.7, if all fails you have a fallback. In fact, you can set a 4.6ghz profile, thinking it's stable when it's not, go for 4.7, run back to 4.6, crash, and blame it on degradation when in fact you simply were not as stable as you guessed previously.

Once you hit 4.6 stable, go for 4.7 if you feel like it, lol. If you have the time to bother.

Thanks for the replies guys.

VCCIN should be CPU VRIN Override Voltage on my board, which I set to 1.85v.

I wish stability testing didn't take that long lol, it is very time consuming and you need to babysit it in case it crashes, tweak voltages,restart etc. Plus I can't use the PC which obviously sucks tongue.gif

I guess that 4 hours of AIDA is not enough then? In that case, I will set Vcore to 1.25v, run another test and see how it goes and then mess with Uncore if needed. I will try for 4.8Ghz at some point too, see how it goes smile.gif

By the way, are all the above voltages I posted safe for 24/7 usage? Obviously when I'm done with stabilizing I will enable C states and EIST.
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post #3834 of 19540
Set base clock to 100mhz (which you've already done!) and strap to 1.0 instead of auto. A little fluctuation seems normal.

Looks like raising vcore is helping. Try another .005v & log how long you are stable for. If at some point you start loosing length (time) of stability after bumping vcore up .005v at a time, set vcore back to longest duration stable and bump vrin by .025v.

It's strongly advised to drop uncore down to circa x34@1.15v and RAM down to 1333mhz/1600mhz@manufacturers voltage with XMP off whilst over clocking the core. One step at a time and life is made a lot easier, from my experience anyway. Haswell seems to be extremely sensitive to changes and eliminating as much as possible to concentrate on one area in particular at any given time seems to work out best in the long run. It may feel like it's taking a long time to go through it sensibly/logically but it'll be quicker overall.

Temp wise you seem to be good which should allow for some headroom to take things further. x46 on the core is a good O/C and more than adequate for daily use. If however you're like most of us on here, that simply may not be enough and you may want to take things further. Looks like your chip certainly has the potential and if it scales well i wouldn't be surprised in seeing it make 4.8ghz but all depends on the temps! (you could always delid once you start hitting 90deg as long as you're not close to maxing out voltage).

I don't use AIDA64 myself as i've read it's maybe not the best for testing stability. I've read a lot of people declaring stable with it then crashing in games. x264 would be highly recommended as a starting point as others on here i'm sure would also recommend. It's also got the benefit of showing duration during the runs so you've got an exact counter to help guide you in stability. If you read the past 20+ pages of this thread it may give you an idea of what some of us have tried and what has worked/not worked. It's always good to share if it's good or bad as it helps us all as a whole.
post #3835 of 19540
Awesome, thanks for your input!

Delidding is not an option, I am just not brave enough to do it tongue.gif

I will try your suggestions and report back. I might give x264 a try as well, what about Prime though? I used it with my old Q6600 and it looks like it is still popular, plus it can be less time consuming?

EDIT: How many hours of x264 are enough?
EDIT2: Is this the right one?
http://www.techarp.com/showarticle.aspx?artno=520

Do I need to change any settings before running it?
Edited by starmanwarz - 10/15/13 at 2:28am
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post #3836 of 19540
Quote:
Originally Posted by starmanwarz View Post

Awesome, thanks for your input!

Delidding is not an option, I am just not brave enough to do it tongue.gif

I will try your suggestions and report back. I might give x264 a try as well, what about Prime though? I used it with my old Q6600 and it looks like it is still popular, plus it can be less time consuming?

EDIT: How many hours of x264 are enough?
EDIT2: Is this the right one?
http://www.videolan.org/developers/x264.html

Do I need to change any settings before running it?
Try this version of LinX, its the fastest error reporting solution for haswell: http://www.xtremesystems.org/forums/showthread.php?201670-LinX-A-simple-Linpack-interface&p=5206283&viewfull=1#post5206283

Prime 2.81 is a bit harder to pass but takes time to find errors.
post #3837 of 19540
I don't think it's even wise to run that kind of program on haswell cpu tongue.gif
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post #3838 of 19540
Quote:
Originally Posted by starmanwarz View Post

Awesome, thanks for your input!

Delidding is not an option, I am just not brave enough to do it tongue.gif

I will try your suggestions and report back. I might give x264 a try as well, what about Prime though? I used it with my old Q6600 and it looks like it is still popular, plus it can be less time consuming?

EDIT: How many hours of x264 are enough?
EDIT2: Is this the right one?
http://www.techarp.com/showarticle.aspx?artno=520

Do I need to change any settings before running it?

Cool, you seem to have a fairly decent O/C with good temps as it is!

x264 will take approximately 35mins to run. It has 4 runs, each run with two passes. 1st is about 2min in length and 2nd is 6-7min. If you pass the 1st two full runs then there's a fair chance it'll go the distance.

Yep, thats the right one. Don't need to change any settings. Open the app, type in whatever name you want it to save the file as (normally i'll do x45x34 for example) then hit 2 to run it as 64bit. The only drawback with x264 is it's advisable to keep an eye on it. It'll have a percentage counter for each pass so knowing when (if) it crashes is key to letting you know what effect your adjustments are making.

I personally run XTU after that which i've mentioned previously in this thread (probably a few pages back). I don't bother running prime anymore, i don't see the point, especially 28.1. What is stable is all down to the user, some require more stability than others. i.e, those using their rig for work or folding etc may want the extra peace of mind. For me it's day to day usage & gaming so x264/XTU suffice.
post #3839 of 19540
Set vcore to 1.25v and running x264 now. Crashed after a few minutes frown.gif

Also downloaded XTU, how many hours do you think are enough?
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post #3840 of 19540
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