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The ULTIMATE Sandy Bridge OC Guide + P67A-UD7 Performance Review - Page 59

post #581 of 713
Just tried

4.5 ghz at 1.390 volts with LLC at 4 BSOD
4.5 ghz at 1.390 volts with LLC at 5 BSOD
4.4 ghz at 1.375 volts with LLC at 4 BSOD
4.4 ghz at 1.375 volts with LLC at 5 BSOD


back to the stable 4.1ghz with no LLC and auto voltage :|
Edited by Lirik - 8/16/11 at 7:11pm
    
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post #582 of 713
Quote:
Originally Posted by MGX1016 View Post
How come on 2500K with ASrock Extreme4 P67 the multi plays around from 41-45. I have it set at 45 in bios. I know the intel power saving stuff is on but under p95 blend and small fft it doesn't reach up to the 45 multi I set.

I have Level 1 setup for the vcore. 1.35 = 1.37 load and about 1.36 idle
For the the ratio to stay at the number you stated you need to disable C3 and C6 things in BIOS. I also was like *** since I only switched to SB. I also use level 1, I love that the vcore goes higher under load, it just makes more sense to me that way.
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post #583 of 713
Tons of data, excellent guide.
Edited by LautaroX - 9/1/11 at 2:49pm
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post #584 of 713
Quote:
Originally Posted by LautaroX View Post
Tons of data, excellent guide.
Have you tested Z68MA-D2H-B3 ? F8 Bios has a different voltage input approach and I can't pass 4.8Ghz with this config on a 2600K D2 retail. No CPU PLL Overvoltage option or load line calibration. Any suggestion would be great, thanks.
http://www.voguehost.com/ims/u/Lauta...olibre/Z68.jpg
Unfortunately, Gigabyte has crippled the BIOS options of their cheaper boards. Without LLC and PLL Overvoltage options, that's probably the best you are going to get on that board.
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post #585 of 713
Hi,I feel compelled to join overclockers.net forum just to thank you for writing such an indepth review of intels sandybridge 2600k.
I found it very informative indeed if not sometimes way outa my understanding but never the less compelling to read especially the benchmarks of the overclocked 930 and the 2600k at stock,stunning results.
I also liked your review of the gigabyte board as I have just ordered GA-z68p-ud4 socket 1155 with hdmi and a 2600k and some gskill 4gb 2133 ripjaws and now the wait is killing me,can't wait to get it and bench it.
Don't mean to blow smoke up your ass but once again thanks for info, absolutely stunning review on the gigabyte board and sandybridge and the over clocking advice.
Can't wait to try it.......I,ll post me results...
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post #586 of 713
My old system is an ASus a8n sli deluxe/and fx 55/thermalright 120 cooler/2 gig of corsair ram/1x250gig/2x74gig raptors/sapphire3870
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post #587 of 713
hiya this is my first post as this thread seems to be talking the most sence that i have read through.

my question is are these figures ok for 24/7, they are prime stable 4+ hours, but in a lot of forums i read not to go over 1.35volts



many thanks
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post #588 of 713
Quote:
Originally Posted by Sin0822 View Post

Voltages:
Now let’s move to voltages, this is very important and I think anyone looking to overclock should have a thorough introduction to the variety of voltages that the user is able to control.
Make sure to pay attention to my tid-bits on Vcore(VCC) and VTT(VCCIO), these are most important for overclocking, other voltages can help too.
Here is a table I put together from Intel’s product data sheet; it defines the processors maximum voltages and maximum amperage- These are OFFICIAL Min and Max Values:
I am seeing a conflict here on this chart. Core Current Limit Max says 85, yet my board has stock settings at 98? See photo below:



Then I read in this thread here where he is recommending to set CPU Current Capability to 140%. I have Google all over and found very little on this subject. Am I missing something?

I'm having a heck of a time getting a decent overclock on my board. ZOTAC Z68ITX-A-E WiFi My troubleshooting thread is located here if anyone wants to check it out and help out. I posted photos of my very limited BIOS settings in there too. Others have gotten 4590MHz on the same MB and 2500K.

***For those of you that notice I changed the BCLK, it was just something I messed with at one point to bring my Bus Speed reading back up to 100MHz on CPUZ and it had no effect on my OC results. I just happened to take the photo at that time.
post #589 of 713
Quote:
Originally Posted by Paraleyes View Post
I am seeing a conflict here on this chart. Core Current Limit Max says 85, yet my board has stock settings at 98? See photo below:

http://i98.photobucket.com/albums/l2...s/IMAG0429.jpg

Then I read in this thread here where he is recommending to set CPU Current Capability to 140%. I have Google all over and found very little on this subject. Am I missing something?
No, that's correct. That limit is very likely to be exceeded when overclocking. However, don't worry too much about current; it's mainly voltage and temperature that need to be minimized.

You should probably increase "IA Core Current Limit," "Turbo Boost Power Max," and "Turbo Boost Short Power Max." If you don't increase those settings, the CPU will be down-clocked when the limits are reached. It seems to happen around x44 to x46 from the reports I've seen.

I'm not familar with Zotac s1155 boards, but I set similarly-named parameters on my Gigabyte to 300. It's probably much more than necessary, but it works fine for me all the way up to x50. Someone else with Zotac experience may be able to tell you what values to set them to.
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post #590 of 713
Quote:
Originally Posted by buzzlightweight View Post
hiya this is my first post as this thread seems to be talking the most sence that i have read through.

my question is are these figures ok for 24/7, they are prime stable 4+ hours, but in a lot of forums i read not to go over 1.35volts



many thanks
plz can someone answer me )
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