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Windows 7: OC'ing

15 Apr 2010   #11
Zen00

Windows 7 Ultimate x64
 
 

My board auto adjusts the QPI, so I don't know what's going on there. I haven't had much luck with voltages either. One strange thing is my RAM uses significantly less energy than advertised, a pleasant surprise.


My System SpecsSystem Spec
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15 Apr 2010   #12
smarteyeball

 
 

Quote   Quote: Originally Posted by spyknee View Post
Ah Yes,
But I bought cheap ram, no frills, 1333MHz.
What are it's stock timings?

Maybe you could get away with a higher OC / higher Ram clock speed if you relax the timings further.

Perhaps even up the volts to 1.64 and bump up the vtt if need be.




Quote:
WEI, cpu still 7.6 bah!
I wouldn't be too concerned with the WEI. 4.0ghz only nets you 7.7 - The WEI is hardly worth worrying about
My System SpecsSystem Spec
15 Apr 2010   #13
spyknee

W7 Ulti/64, XP Pro/32
 
 

All the dram stuff is on auto. Pushing the ram to 1466MHz, was a help. There timings are 10-10-10-25? Got the cpu to 3.85MHz. I was using the auto volt settings. Now I have the cpu at 1.35v fixed, lowered cpu temp a little. Auto had it at 1.375v. Changed uncore multiplier to 16x from auto( ram at 8X), so NB went from 3660MHz to 2972MHz. Put ram volt at 1.6v fixed, from auto choice.
My System SpecsSystem Spec
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15 Apr 2010   #14
spyknee

W7 Ulti/64, XP Pro/32
 
 

OK, The pics.
I guess from here, I'll start trying to remove things in bios from auto. Mobo definitely likes its auto choices, it also allows me to see what it considers a default value. Auto selects are definitely placing values at the same levels, as peoples online OC'ing strategies. Lowering cpu volts from 1.375 to 1.35 volts was worth 5C in temp difference.


Attached Images
OC'ing-38c.jpg OC'ing-cpuz-memory.jpg OC'ing-cpuz-graphics.jpg OC'ing-cpuz-cpu.jpg 
My System SpecsSystem Spec
15 Apr 2010   #15
smarteyeball

 
 

Quote   Quote: Originally Posted by spyknee View Post
I guess from here, I'll start trying to remove things in bios from auto. Mobo definitely likes its auto choices, it also allows me to see what it considers a default value.
Generally, getting as much voltage settings off auto is a good start.

Depending on board/bios - some default voltage settings err on the side of high for stock and some even push them into unsafe territories when OC'ing some values.


Quote:
Auto selects are definitely placing values at the same levels, as peoples online OC'ing strategies. Lowering cpu volts from 1.375 to 1.35 volts was worth 5C in temp difference.
So far you're on the right track. If you have a good chip, you can probably get away with an even lower vcore. (unlike my DO which needs CO volts )


Once you are satisfied with CPU OC, then you can start looking at fine tuning some of those those timings to see if you can tighten them back up a little if possible.

ie 10-9-9-24 etc

If it's currently stable @ 3.85ghz - then you've done well so far.



Have you done any stress testing yet?

CPU:

LinX 0.6.4

(Best just copying the files to a folder instead of installing. It has a weird big where it sometimes fails to start when 'installed' )

IBT 2.4

20 runs recommended for both

(Both of those are essentially the same, but with different GUI's and will test all 8 cores if you have Hyper Threading enabled - crashes, freezes etc are usually caused by insufficient vcore.)

CPU + RAM:

Prime 95 x64

(Tortue test > Blend - enable 'round off checking' under Advanced)

8 -24hr recommended



RAM:

Memtest86+

8 pass minimum recommended unless errors appear straight away.





No single test is a guarantee of stability, but they give a good indication of where to look for your next adjustment.

Personally I start with either LinX or IBT because they are quicker, then go for P95 once they pass either of those two.


Good luck
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