OCUK Sandy Bridge, SB-E and Ivy Bridge 5GHZ Club

LOL or as I said before: a miracle! - Don't think the E8400 could hit 5GHz in a million years lol (would LOVE to be proved wrong though... anyone out there wanna try it?(not with my cpu though!))

I just want more options in my BIOS to try to get my vCore down a bit!



8400.png


Courtesy of The_Game

Source
 
New one is L101B360 #3343 so its a very recent batch.

Umm this one seems quite nice. Only done a little testing but it allows the 55 multi at 100 blk in windows at 1.44v bios. Not stable, but looking promising.

Left it running prime at 5GHz 1.325v for a few hours but came back to a BSOD, but i don't think its far from stable.

That would make this rather a good chip if it can do low voltage at 4.8 / 5.0 GHz and yet still allow the 55 multi + Normally they permit none or one but I have not seen one do both before.
 
Ok 5.5GHz at 1.55v SuperPi run, cant be bad.
Have to admit i'm struggling to go further at the moment despite the voltage, determined to get a 6.6s Super-Pi score on the board though

5508MHz-SuperPi.JPG

Damn You lol:D, I was hoping to go for another tweak session soon and take your original position before I saw the new one above:(

Seriously though, nice overclock you *?-#/=;)
 
Damn You lol:D, I was hoping to go for another tweak session soon and take your original position before I saw the new one above:(

Seriously though, nice overclock you *?-#/=;)

Sorry :D
You still have one place you can make up without too much more work, Although it seems once you find the max an SB CPU will do, it does not matter how much you try, it will just not go any further.

This one will just not do any more. Tried 54 multi and more BCLK and 56 multi with less... what ever way I cut it I get between 5.5 and 5.51GHz but no further.

Still I'm not complaining. 5.5GHz for braging rights benchmarking and 5GHz with reasonably low vcore for day to day use is a result.
 
Hey guys,

Was going to have another go at getting higher up the ladder but my system isnt even currently stable at stock so I've given up for the time being :( 1day, dropped you a mail to trust regarding motherboards!

Cheers
 
With SB cooling is not going to make any difference as to how high your overclock will be. I got 5.7GHz on air with my CPU.

I only cool it actively to keep it safe during benching for long periods of time.
 
Yes 5GHz is certainly doable with any of the H50/70 and some others similar to those. But I am just not sure that 5GHz is sustainable for a 24/7 rig. I would like to be wrong mind you.
 
have a msi gd65 b3 with a 2600k

can do prime stable 1hr+ / linx / vantage @ 5GHz, (50x100, 1.4-1.440v)

but out of the blue when im just web browsing or installing apps / games it may blue screen

have tried vcore from 1.39 - 1.45 (dont want to go higher tbh) with similar results, pll from 1.65 to 1.9v

seems like an i/o voltage thing, might have to play around with some more voltage tweaking, its so annoying lol

it is 100% stable at 4.8GHz 1.36v, and rest of the volts on auto

any ideas what the i/o voltage could go up to? had a little look at some guides but they dont mention much about the other voltages

also I have the C1, EST features all on at the moment, should I turn them off?
 
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