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~~~~~IMPORTANT SANDYBRIDGE OC INFO: Voltages & OC Guide!!~~~~~

Max3 said:
This is 1.3vcore in bios and LLC at 'extreme'. Everything else at default/auto. Load Line Calibration made the biggest difference for me as I went from auto all the way to extreme (seems to make it go over my 1.3v though). From LLC adjustments it went from insta BSOD to stable for 1 min and totally? at extreme.
Click to expand...

I wonder if me having LLC set to Standard (0%) is whats causing bsod at 4.3 with 1.3v.
 
Stryda09 said:
Getting similar results and was hoping for lower vcore aswell but then I am never lucky so meh :). What Batch number you? I am L036B112 and haven't seen a single other person with same batch number on other forums. I am guessing they are mostly from USA though.
Click to expand...

I am also L036B112 ( bought from OcUK ).
 
Max3 said:
it definitely increased stability at each notch for me.
Click to expand...

Ive just toyed with the LLC and found the following.

with vcore at 1.3v the core voltage under load was the following

LLC = 0% voltage = 1.2
LLC = 50% Voltage = 1.248
LLC = 100% voltage = 1.296.

changing that from 0% to 100% to keep the covre at the level I set has allowed meto go from BSOD @ 4.3 to happy priming @ 4.5 @ 64c MAX

Will leave it overnight.
 
nice! hope to see your prime screenshot tomorrow :)

Looks like mine still needs a bit of tweaking. Damnit I just put in an extra 4gb of XMS3. I'm hoping this doesn't add more variables to the oc. I had the XMS3 running at 1333 with 1.5v for that run (BSOD 1hr 30mins or so in). Passes Linx 20 max mem though bah.
 
Isn't Load Line Calibration not so good. Been an AMD person for the past few years but I thought I read this can cause high voltage spikes which cause trouble. Also I don't think I saw any setting for LLC in MSI bios :/.
Edit: Nevermind it appears MSI call it Vdroop control and I think I have it enabled will read some more about it.
 
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sandy2600K@5GHzSuperPi.jpg


Just re-did it as i realised the screen shot was showing cpuz at 1600MHz doh
 
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5.1 Now

sandy2600K@5100MHzSuperPi.jpg


So far I can run Prime at 5GHz for about 7 minutes before either BSOD or one of the workers fails.
With a bit more tweaking tomorrow and a little more light burning in, I think i may even get 1 Hour of prime at 5GHz which would be the best i ever hoped for :)
 
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