safe/average volts for e6600.

pieman109

pieman109

pieman109

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Currently gave me mate my old rev 1.0 DS3 mobo and got a DS3 rev 3.3 with 1333mhz and quad core support. I've been reading the overclocking guides here and it would seem that 1.45 volts is about average for overclocking an e6600 to 3.6ghz, is this correct?
I'm currently running orthos at 3.2ghz (400 x 8, I dropped the multi from 9 to 8 as I don't wanna push too hard too soon), and it means me rams at stock too (400mhz) I'm aiming at 3.6 eventually once I'm happy with stability.
 
My E6600 won't do 3.6Ghz at 1.45V, unless your BIOS gives the option for Vcore? My board seems to do things strangely, but anyway my CPU will only do about 3.2 at 1.45V.

If yours will then that's awesome :).
 
Yeah my E6600 needed 1.575v in BIOS to run stable at 3.6ghz too.

It did 3.52ghz at only 1.52v tho.
 
So whats the safe max vcore to run 24/7 assumimg me cooler is fine (noctua NH-U12F) temps atm are 45c-46c idle and about 47c-49c running orthos blend.
 
I would pay more attention to the temps than the vcore.

Whatever vcore lets it run at ~60c under load is probably the max you should use.
 
Cob said:
I would pay more attention to the temps than the vcore.

Whatever vcore lets it run at ~60c under load is probably the max you should use.
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That makes a lot of sense to me, I've seen a few ppl here put up to 1.5v into their prozzies. I'll try it at 400 x 9 @ 1.45 Vcore later on and see how I get on, cheers.
 
My E6600 uses 1.4v to get to its current o/c of 3.4. It starts taking a lot more juice to go higher so I figure 3.4 is a good place to stick. It's 24hr Prime stable at this level.

One thing to bear in mind is that if your o/c doesn't lower the multiplier and you don't run folding/seti etc then you'll probably find that you can leave C1E and EIST enabled in the bios. That would let you crank up the volts safe in the knowledge that the cpu would only see the extra juice when it was really needed.
 
Mine does 3.6 stable on 1.45 volts... as PARUK says tho it takes more and more juice to get much above 3.4gig and heat escalates quickly... at 3.76gig I'm pushing 62C average running orthos with spikes to 68-70C... ouch - but so far its been running for months on end like this without hassle... but I have a spare E6600 I can pop in if it does die (or more likely use it as an excuse to grab a quaddie)

Intel quote 1.3625 as the max long term running voltage without expectation of malfunction and 1.5v for long term running with some minor degredation of life expectancy and slight chance of malfunction caused by voltage.
 
Phunky Phish said:
Does running C1E and EIST make it unstable in any way as it changes volts and multipliers?
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It shouldn't, so long as your overclock uses the stock multiplier. I'm running at 378 x 9. I know I could probably get better performance at 8 x 425 but I just couldn't be bothered with the extra hassle and I doubt it would have given enough of a boost to be noticeable outside of a benchmark..

But if you have lowered your multi to get a higher fsb you're best running with both C1E and EIST disabled.
 
well passed Prime95 blend (new version) overnight at 1.5875V @ 3.4 gig

not too bad temps either considering its only cooled by a Freezer 7 Pro - max temps about 64C load
 
Buckster said:
well passed Prime95 blend (new version) overnight at 1.5875V @ 3.4 gig

not too bad temps either considering its only cooled by a Freezer 7 Pro - max temps about 64C load
Click to expand...

Nice, I get the same temperatures with my E6600 at around 1.56V so that seems good.
 
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