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[Official] The Sandy Stable Club **Guides, Voltages, Temps & BIOS Templates** Inc SPREADSHEET - Page 10

post #91 of 10701
Thread Starter 
Quote:
Originally Posted by reflex99 View Post
CPU.

Motherboards have VERY little to do with overclocking sand bridge.

Might try to get your rig a little colder. Maybe go outside? (<--srs suggestion). Or maybe just hang your rad out the window.
Cool thanks for the info +rep. I dont think it was the heat that limited the oc, it was the multiplier that restricted it. Lol at taking the rad out the window. Have you seen my rig?? 320 rad mounted externally on top with 6 fans push/pull config. Check project in sig rig.
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post #92 of 10701
I tryed to use auto with offset once... needless to say it booted my CPU at 1.816v... I don't trust anything but manual now.

I believe the turbo multi on these is unlocked however it is limited to x57 max IIRC.

Quote:
Yep, there is a physical limit to how far these CPUs can overclock. The farthest you will get with an i7 2600K is a multiplier of 57x, or 5.7 GHz at the base clock of 100 MHz. If you are able to push the BCLK up to, say, 106 MHz, than right at 6.0 GHz is where you’d end up. This is a limit “defined by the microarchitecture”, so I’m not sure motherboard manufacturers will be able to do anything about it. Our only hope is that someone comes up with a way to separate the BCLK itself from the remainder of the CPU’s mechanisms, and based on how things look that’s unlikely.
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post #93 of 10701
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Quote:
Originally Posted by Penryn View Post
I tryed to use auto with offset once... needless to say it booted my CPU at 1.816v... I don't trust anything but manual now.
Damn 1.8 thats just crazy! Coming from a q6600 to this made overclocking a little difficult for me, i had to get upto date with a lot of things, even ddr3 on this setup, i didnt even bother with offset went staright to manual.

EDIT: 57x? Link to info please. By the way I got 2500k n the quote is referring to the 2600k, even then I'm certain for my chip even if pump 1.8v on it, multipler 55x and above wont work on my chip. Like everyone says, every chip is different so it maybe possible that a higher multi works for some. Only way i could get 5.5ghz was by using the 54x multi and upping the bclk to 102.
Edited by munaim1 - 3/20/11 at 12:58am
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post #94 of 10701
Quote:
Originally Posted by KBcobra View Post
You can go over 1.38v with Sandy Bridge its pretty safe... anything under 1.45v is safe for 24/7.


This 1.7 or go home
Intel and many overclocking sites say 1.38v
    
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post #95 of 10701
Quote:
Originally Posted by Viridian View Post
Intel and many overclocking sites say 1.38v
The main consensus when it comes to the voltage issue is if your temps are fine for 24/7 use then everything is ok.
I think of synthetic testing temps when i think of these temps, everyday use temps are much lower when considering load tests etc.
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post #96 of 10701
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I GUESS I'LL HAVE TO SAY IT AGAIN

lets not turn this into another 'whats the max safe voltage for sb is' im sure there is enough of those lol. Until there is a solid argument and solid proof to say what the max safe volts are, my safe is going to be 1.5v. When and if it is officially known please some sticky it.
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post #97 of 10701
The max safe voltage is 1.52v on the spec sheet for sandy bridge. Personally my self I wouldn't go more than 1.47 for 24/7 since I run water. A 45nm Core 2 Quad has a safe voltage of 1.38v according to it's spec sheet which we know is true from experience. Intel knows best about their chips.
post #98 of 10701
Quote:
Originally Posted by KBcobra View Post
The max safe voltage is 1.52v on the spec sheet for sandy bridge. Personally my self I wouldn't go more than 1.47 for 24/7 since I run water. A 45nm Core 2 Quad has a safe voltage of 1.38v according to it's spec sheet which we know is true from experience. Intel knows best about their chips.

No, that's the maximum voltage available to the CPU.. not the Maximum Safe. There's a good 50 page thread of about 20 other people stating the same thing.

http://www.overclock.net/intel-cpus/...l#post11985910


Quote:
Table 2-2 specifies absolute maximum and minimum ratings only and lie outside the
functional limits of the processor
. Within functional operation limits, functionality and
long-term reliability can be expected
Quote:
Very simple and easy to understand, ABSOLUTE maximums ARE NOT safe operational voltages - they lie OUTSIDE the functional limits of the processor.
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post #99 of 10701
Quote:
Originally Posted by munaim1 View Post
I GUESS I'LL HAVE TO SAY IT AGAIN

lets not turn this into another 'whats the max safe voltage for sb is' im sure there is enough of those lol. Until there is a solid argument and solid proof to say what the max safe volts are, my safe is going to be 1.5v. When and if it is officially known please some sticky it.
Quote:
Originally Posted by KBcobra View Post
The max safe voltage is 1.52v on the spec sheet for sandy bridge. Personally my self I wouldn't go more than 1.47 for 24/7 since I run water. A 45nm Core 2 Quad has a safe voltage of 1.38v according to it's spec sheet which we know is true from experience. Intel knows best about their chips.
Quote:
Originally Posted by LethalRise750 View Post
No, that's the maximum voltage available to the CPU.. not the Maximum Safe. There's a good 50 page thread of about 20 other people stating the same thing.
That is not the maximum voltage available to the cpu, you can toss upwards of 1.6 at the chips.
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post #100 of 10701
Quote:
Originally Posted by LethalRise750 View Post
No, that's the maximum voltage available to the CPU.. not the Maximum Safe. There's a good 50 page thread of about 20 other people stating the same thing.
Only time will tell if one of us is right. Someone out there is running their chip at 1.52v. If nothing happens within the next couple of months its probably safe. THOUGH I wouldn't run a 2600k on air at that voltage.
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