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Haswell Overclocking Guide [With Statistics] - Page 545

post #5441 of 19296
Quote:
Originally Posted by Menphisto View Post

Thanks, but my MSI board shows 1,2vring as dangerous voltage (red)
My ASUS does that as well.
post #5442 of 19296
Hey everyone,
Im pretty new to OCing and may need some assistance finding safe settings for my pc. I've read alot of guides out there and this one seems the most helpfull so far so thank you for that.

System specs:
I5 4670k
hyper 212 evo
evga 750w ps
msi 287-g45 mobo
2x 4gb corsair pro vengeance
Air cooling 5 fans

1st and foremost I have a bad chip. For the past week or so ive been trying to get 4.2 stable and have been messing with settings with ring bus set 200mhz below cpu clock. I recieved random bsod even on low cpu usage at vcore 1.24, 1.25, 1.26 all with 3b error code. I also had 1866 xmp profiles enabled at the time of these bsod.

I read this guide and a couple of posts and set my mobo to default settings ddr3 1600 frequency and set ring to stock 38 and left voltage on auto. Bsod on 4.2 1.24 vcore 3b error. I decided to use 1.27 vcore and ran prime 95 29.11 blend test for 6 hours my temps were low 60's high 50's with 1 core peaking at 65.

im currently running prime on 4.3 with 1.3 vcore override same temperatures so far....Im at work now and will check on it in 3 hours or so.


Any suggestions? Im shooting for atleast 4.4 stability but fear I may have to do 1.33+ vcore
Edited by Germx3 - 11/15/13 at 6:50am
post #5443 of 19296
Is a temperature of 50C OK for the mobo?
post #5444 of 19296
Quote:
1st and foremost I have a bad chip.

You don't know this without good overclocking practice
Quote:
For the past week or so ive been trying to get 4.2 stable and have been messing with settings with ring bus set 200mhz below cpu clock.

Leave uncore at 34x until you're at the core clock you want, read the haswell overclocking guide with statistics
Quote:
3b error.

Not vcore problem (unless it's a really really weird case). 90% you have RAM set wrongly or some issue with it.

Default to 34x uncore, 1.15 ring, 1.8vrin, second highest vrin LLC level, then see what core multi you can do on ~1.24vcore. Don't change it, if it doesn't work, lower core multi. x264 is a good stability test for haswell, there's a loop in the other thread
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post #5445 of 19296
Is 44x @ 1.19v good? So far I'm 8 hours in with XTU
post #5446 of 19296
Yea, but i dunno if XTU is a good stability test. I need ~0.03v more than linpack for x264 to be stable, which is much much closer to gaming/encoding without any signs of instability or whea's.

I don't see much point in testing for more than an hour at a given OC - you can learn more by just testing half a dozen different sets of settings, when passing one thing for 8 hours doesn't guarantee you stability in other, even easy to run applications, might as well have a notepad doc saying X Y and Z passed test B for 1 hour etc and learn your chip
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post #5447 of 19296
Quote:
Originally Posted by Cyro999 View Post

Yea, but i dunno if XTU is a good stability test. I need ~0.03v more than linpack for x264 to be stable, which is much much closer to gaming/encoding without any signs of instability or whea's.

I don't see much point in testing for more than an hour at a given OC - you can learn more by just testing half a dozen different sets of settings, when passing one thing for 8 hours doesn't guarantee you stability in other, even easy to run applications, might as well have a notepad doc saying X Y and Z passed test B for 1 hour etc and learn your chip

I'll stop wasting my time then. 1 hour seems about right. I'll give linpack and x264 a shot next. Thanks!
post #5448 of 19296
What should i test first? (Uncore)
43x : 1,18v,1,195v
42x : 1,16v
post #5449 of 19296
Darkwizzie requested that I test my OC for more than one hour.

For people who do not have experience with Haswell and OCCT you should download and install OCCT then run the OCCT CPU:OCCT 1 hour test for Large Data Set 64 bits. It is harder to pass than the OCCT CPU:Linpack AVX 64 bits test.
http://www.ocbase.com/index.php/download

At a vcore of 1.33 and a cache of 1.30 I have passed the CPU:OCCT LDS 64b 1 hour test three times and the CPU:Linpack AVX 64b 1 hour test twice for a total of five hours of stress testing. Until I have an actual reason to do any additional stress testing this is all that I am doing. After two weeks at this OC I have had zero issues with any programs including FSX and 3DMark06.










Edited by idahosurge - 11/15/13 at 10:25am
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OS SSD 840 Pro 256GB / FSX SSD 840 Pro 256GB LG DVD Thermalright SB-E x2 Win7 Ult 64b 
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post #5450 of 19296
Quote:
Originally Posted by Cyro999 View Post

You don't know this without good overclocking practice
Leave uncore at 34x until you're at the core clock you want, read the haswell overclocking guide with statistics
Not vcore problem (unless it's a really really weird case). 90% you have RAM set wrongly or some issue with it.

Default to 34x uncore, 1.15 ring, 1.8vrin, second highest vrin LLC level, then see what core multi you can do on ~1.24vcore. Don't change it, if it doesn't work, lower core multi. x264 is a good stability test for haswell, there's a loop in the other thread

Set those exact settings with 4.2 ran 5 loops, but had to leave so I need to check on it later, I had someone check it an hour ago and said it was on loop 3. Can you explain what the llc setting is doing?

Thank you for your help!
Edited by Germx3 - 11/15/13 at 11:55am
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