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Can anyone help me get my 2500K past 4.1Ghz!? (ASRock Extreme4 Gen3) [Solved - Motherboard BIOS is buggy!] - Page 3

post #21 of 170
Quote:
Originally Posted by Erper View Post

we'll decide on his temps cause i dont think he is gona be able to keep it under 80c with that cooler...
wish im wrong....
i had similar one and my temps on q9550 would go more than 85c ...

LOL the Q9550 is also a 45nm processor and is WAY hotter.
 
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post #22 of 170
Quote:
Originally Posted by srsparky32 View Post

LOL the Q9550 is also a 45nm processor and is WAY hotter.

u think wink.gif
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post #23 of 170
Thread Starter 
Quote:
Originally Posted by srsparky32 View Post

uh wrong. 1.45v is safe lol
OP did you change your QPI voltage. i forgot what its called on sandy its been a while since i OC'd my 2600k but it might be VTT..adjust that to like 1.1 or 1.15.

yeh im pretty sure i need to try changing some other voltages. this guide here speaks of them: http://www.bit-tech.net/hardware/cpus/2011/01/07/how-to-overclock-the-intel-core-i5-2500k/2
do you know which one it is that you're talking about?
Quote:
Originally Posted by Erper View Post

we'll decide on his temps cause i dont think he is gona be able to keep it under 80c with that cooler...
wish im wrong....
i had similar one and my temps on q9550 would go more than 85c ...

the highest ive seen my CPU hit so far is 60c. That was with the 4.1Ghz overclock with CPU Core voltage at 1.36V doing 10 Rounds of Intel Burn Test on maximum. The thing with that burn test is that it makes my CPU keep dropping down to 3.3Ghz with a voltage of around 1.25V, Prime95 doesn't make it do that though. Still, 60c is the highest ive seen so far, in games its 56c. I think this cooler is pretty good!
Quote:
Originally Posted by Schmuckley View Post

https://www.youtube.com/watch?v=9e04-5hjk-I
youtube video..4.7? i think..
very similar bios to yours..

thanks for the link man but ive already watched that one and tried the settings from, plus ive tried those settings with power limits on 300W and a higher CPU Core Voltage :/
post #24 of 170
Quote:
Originally Posted by Erper View Post

1.45 for this kind of cpu is too much, even with proper cooling..
if u have 45nm chip than its different story...
i saw few of them blowing up on 1.45v

Then I don't know what you were looking at. They must have been running them without a heatsink.

There's people on the forum running 1.5+ 24/7 folding and have been for months. As long as the temps are good, and stay below 80*, he's fine.
Quote:
Originally Posted by Erper View Post

we'll decide on his temps cause i dont think he is gona be able to keep it under 80c with that cooler...
wish im wrong....
i had similar one and my temps on q9550 would go more than 85c ...

Bigger nm chip of course it's going to produce more heat.

Were talking about SB.
Quote:
Originally Posted by ET900 View Post

yeh im pretty sure i need to try changing some other voltages. this guide here speaks of them: http://www.bit-tech.net/hardware/cpus/2011/01/07/how-to-overclock-the-intel-core-i5-2500k/2
do you know which one it is that you're talking about?
the highest ive seen my CPU hit so far is 60c. That was with the 4.1Ghz overclock with CPU Core voltage at 1.36V doing 10 Rounds of Intel Burn Test on maximum. The thing with that burn test is that it makes my CPU keep dropping down to 3.3Ghz with a voltage of around 1.25V, Prime95 doesn't make it do that though. Still, 60c is the highest ive seen so far, in games its 56c. I think this cooler is pretty good!
thanks for the link man but ive already watched that one and tried the settings from, plus ive tried those settings with power limits on 300W and a higher CPU Core Voltage :/

Try enabling PLL Overvoltage and setting a 4.5Ghz OC with 1.35/1.36 vcore.

You're either doing something wrong or your luck with the silicon lottery just sucks.. :/
 
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post #25 of 170
Quote:
Originally Posted by Dustin1 View Post

Then I don't know what you were looking at. They must have been running them without a heatsink.
There's people on the forum running 1.5+ 24/7 folding and have been for months. As long as the temps are good, and stay below 80*, he's fine.
Bigger nm chip of course it's going to produce more heat.
Were talking about SB.
Try enabling PLL Overvoltage and setting a 4.5Ghz OC with 1.35/1.36 vcore.
You're either doing something wrong or your luck with the silicon lottery just sucks.. :/

from site that uve posted:

"Up to 1.3V is completely fine for an everyday overclock, whereas at some way between 1.3V and 1.4V you'll see the heat output increase quite notably even if you can push the CPU a little bit higher. We wouldn't recommend using more than 1.3V unless you have a powerful cooler, and using a vcore of 1.4V or more isn't advisable unless you're just planning a quick Kamikaze benchmark run. Professional overclockers might use a vcore of 1.5V or above even, but bear in mind that these guys and gals get CPUs by the tray load from sponsors! "
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post #26 of 170
Quote:
Originally Posted by Erper View Post

from site that uve posted:
"Up to 1.3V is completely fine for an everyday overclock, whereas at some way between 1.3V and 1.4V you'll see the heat output increase quite notably even if you can push the CPU a little bit higher. We wouldn't recommend using more than 1.3V unless you have a powerful cooler, and using a vcore of 1.4V or more isn't advisable unless you're just planning a quick Kamikaze benchmark run. Professional overclockers might use a vcore of 1.5V or above even, but bear in mind that these guys and gals get CPUs by the tray load from sponsors! "

Haha...I must be a professional overclocker! How old is that post? Current data suggests these chips can be run well above 1.4v quite safely.
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post #27 of 170
didnt check the date...
the point is that, I assume, the guy who posted the thread wants his cpu to work on higher freq where he dont pay attention to other things...
other guys suggest him to raise vcore more than 1.4 just to squeeze extra mhz from cpu...

EDIT:
mine is working on 1.305v with 4.5ghz speed when needed...
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post #28 of 170
Quote:
Originally Posted by Dustin1 View Post

Quote:
Originally Posted by TH3 original View Post

is c3 and c6 off?

c3 and c6 should be enabled. They not only help extend the life of a CPU but greatly reduce idle temps.

Plus, they're great to save on some power.. wink.gif

I think you may be mistaken, IIRC C3 and C6 are sleep states and can cause instability whilst idling and 'jumping' to full load - Not sure why they cause it to BSOD, but they do. Have a little read at my Idle / Random BSOD thread in my sig.

I think you mean C1E and Speedstep (EIST), with both enabled and in combination with offset, the voltage drops along with multiplier which as you said helps the lifespan of the chip and helps overall temps. thumb.gif
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post #29 of 170
Thread Starter 
Quote:
Originally Posted by Dustin1 View Post

Then I don't know what you were looking at. They must have been running them without a heatsink.
There's people on the forum running 1.5+ 24/7 folding and have been for months. As long as the temps are good, and stay below 80*, he's fine.
Bigger nm chip of course it's going to produce more heat.
Were talking about SB.
Try enabling PLL Overvoltage and setting a 4.5Ghz OC with 1.35/1.36 vcore.
You're either doing something wrong or your luck with the silicon lottery just sucks.. :/

i have done that - no luck. i think i may just have a bad chip here. tbh this thing kicks ass even at 4.1Ghz, so much better than my 955 lol... im not giving up yet though!
post #30 of 170
Thread Starter 
Quote:
Originally Posted by Erper View Post

from site that uve posted:
"Up to 1.3V is completely fine for an everyday overclock, whereas at some way between 1.3V and 1.4V you'll see the heat output increase quite notably even if you can push the CPU a little bit higher. We wouldn't recommend using more than 1.3V unless you have a powerful cooler, and using a vcore of 1.4V or more isn't advisable unless you're just planning a quick Kamikaze benchmark run. Professional overclockers might use a vcore of 1.5V or above even, but bear in mind that these guys and gals get CPUs by the tray load from sponsors! "

that quote is from the the guide i linked earlier: http://www.bit-tech.net/hardware/cpus/2011/01/07/how-to-overclock-the-intel-core-i5-2500k/2
which is dated 7th of january 2011 when SB chips had just come out right?

I'm not really worried about going up to 1.4V but dont want to go higher and would definitely prefer to be lower! Everything i read tells me that i shouldn't need more than 1.36V to achieve 4.6Ghz. Just hasn't worked out that way yet though.
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