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E6500 4ghz Vcore too high? - Page 2

post #11 of 22
Quote:
Originally Posted by Warrimonk View Post
Yeah, i love this cooler, you should see the temps at 1.32Vcore, it literally is insane, I CANT make it past 45 degrees no matter what i try. i might just drop it to 3.6 ghz.

Back to my original problem though. Its barely unstable at 1.45. Is there anything I can do to stabilize?
Maybe! But if 1.464V keeps it stable, and if you are personally comfortable with that, then leave it. However, I think leaving those other options on Auto could be a culprit. I mean, it's unusual to overclock this big with that many options set to Auto.
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post #12 of 22
Thread Starter 
Id love some good example voltages.
post #13 of 22
Could always try the middle ground of 3.8Ghz to see what voltage you need for that, could be significantly lower, while it's still a very respectable overclock.

http://www.techpowerup.com/forums/sh...d.php?t=117878
http://valid.canardpc.com/show_oc.php?id=1085438
Managed to find a validation, not seeing the confirmation with a stresstest though.
Edited by MasterFire - 12/24/10 at 6:56pm
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post #14 of 22
Thread Starter 
Ill try 440X9 @ 1.4 . Results in a sec

EDIT: Unstable
Edited by Warrimonk - 12/24/10 at 7:09pm
post #15 of 22
Well yeah, it takes time to get the settings right. 440 is quite the difference, have you turned up the NB voltage while you had the 440mhz bus?

Might even have to try different (more 1:1) type memory speeds to get the stability you need (even though I see the validation there is 11:10).
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post #16 of 22
Quote:
Originally Posted by KingT View Post
Keep Vcore under 1.45V for 24/7 usage..

Keep core temperatures under 75C at all time..

CHEERS..
Le sigh

1.45v is the maximum vcore that Intel will recommend using on their chips. It isn't as if the chip will automatically fry once you pass this 'magical number'.
You'll be fine going as high as you need, so long as the temps stay relatively low (see next quote).

Quote:
Originally Posted by TwoCables View Post
Why 75?
Because 75 is the hottest a chip should ever go

If you get a maximum load temp of less than 70C, you're fine. There is absolutely no need to worry about vcore if the temps are fine.
That said, nice temps and OC
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post #17 of 22
Thread Starter 
Thanks everyone, + rep for all!
Im at 3.825 -> 425X9 at 1.38V stable
Max load temp - 57 Celsius

I just want it rock solid cause I'm selling it to a friend for 800 bucks so he can play WoW on high/ultra. It needs to be stable as hell if I am selling it.

BTW I highly recommend the OCZ vendetta 2 if u can get a mounting bracket for 1156 or 1366 sockets, its AMAZING but also HUGE (It hardly fits in my massive 832 stacker)

Happy Holidays!
Edited by Warrimonk - 12/24/10 at 8:58pm
post #18 of 22
Trust me, Prolimatechs Megahalem or Noctua's NH-D14 for a 1156 or 1366 socket CPU would be a much better idea if you're going to try to get to 4Ghz

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post #19 of 22
Quote:
Originally Posted by Dilyn View Post
Le sigh

1.45v is the maximum vcore that Intel will recommend using on their chips. It isn't as if the chip will automatically fry once you pass this 'magical number'.
You'll be fine going as high as you need, so long as the temps stay relatively low (see next quote).


Because 75 is the hottest a chip should ever go

If you get a maximum load temp of less than 70C, you're fine. There is absolutely no need to worry about vcore if the temps are fine.
That said, nice temps and OC
And le sigh to you too.

75°C is not the maximum. Why do people think that it's the maximum? There's no documentation that says that it's the maximum! But if 75°C were the maximum, then why does Intel say the maximum voltage is 1.45V? Think about it.

Instead, the Tj. Max is the maximum. And for this CPU, it's 95-100°C. So, that's actually the temperature where the CPU would shut itself off or throttle itself down to prevent damage.

Now, the reason why I said "95-100°C" instead of just "100°C" is because the Tj. Max for the E8400 is supposed to be 100°C, but mine has a Tj. Max of 95°C. The E6500's Tj. Max is stated as 100°C, but like with my E8400, it could be different. Either way, that's my maximum safe temperature.

HOWEVER, try to stay out of the 70's in order to avoid heat-caused instability. That's all there is to it.
Edited by TwoCables - 12/25/10 at 12:20am
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post #20 of 22
Quote:
Originally Posted by TwoCables View Post
HOWEVER, try to stay out of the 70's in order to avoid heat-caused instability. That's all there is to it.
I was being sarcastic

And yes, that is why 75C is the highest a chip should go. I would never run a chip anywhere near it's TJ Max, especially for long periods of time. That's just asking for trouble.
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