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It should go above 4Ghz shouldn't it?

post #1 of 9
Thread Starter 
My setup is this:

-i7 950
-X58a-UDR3
-Corsair XMS3 1600 c7
-H60 hydro

Overclocked to a stable 4 Ghz. I cant go further, seems i cant increase the bclk from 174 that it is now...

Can somebody please direct me as to what i have done wrong..I think i should be able to go to 185 bclk with no prob...I would be very happy with a 4.4-4.5

450

450

450

450
post #2 of 9
Thread Starter 
and this is my validator as of now....tried again with 190 bclk and vcore 1.4 but no luck...


LINK to VALIDATOR
post #3 of 9
I don't think it's every day that a Core i7 9x0 goes above 4GHz (or 4.2GHz maybe). Some don't even get there. I actually think it was said that the Core i7 920 routinely went higher than (m)any of the other quad core LGA 1366 CPUs? Either way, 4.4GHz and 4.5GHz is asking for a lot from it. That's probably like a 5GHz+ Sandy Bridge; it happens but not often.

That being said, aside from a CPU limit, maybe it's the RAM? It looks like you have 1333MHz (667MHz DDR) RAM, and it's running over 700MHz as it is. I'm not sure of that RAM's limit, but it's all I can see offhand. If possible, can you try booting at a high Bclk with a lower multiplier (not sure if those can be adjusted on those...) to try and rule that out? If it doesn't boot still, it's generally an indicator the problem is not the CPU itself. Might be QPI/VTT voltage though?

Just tossing some ideas out.
post #4 of 9
I have the same board and nearly similar CPU, so I can chime in here.

Have you tried lowering your multiplier? I reach 4.2ghz with a 200x21 multiplier with the same exact voltage you have. Plus I am running a 930.

Try disabling 'turbo' for your ram and just set it to normal.

I haven't tried to go for higher than what I have in my sig rig. I push 78-80C with my setup, so i'd rather not push it anymore. I consider my chip pretty golden, hopefully you are in the same boat.

I wish I could show you my bios, but I am out of the country redface.gif

edit: if you really want to hit 4.5ghz... you would definitely need to invest in a water cooler
Edited by Recipe7 - 1/1/12 at 6:22am
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post #5 of 9
I'd say that you're probably near the limits of your OC with the H60. 4GHz is already damn good for LGA 1366 chips (esp. 45nm) and anything more is just extra dollops of luck sprinkled with very expensive cooling.

You could sell your 9xx setup and get a 2500/2600K for the price that it'd cost you to even *attempt* to go further.
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post #6 of 9
Thread Starter 
Thanks Guys!!

Yes i must have a good chip.. I am on water with an H60 and i will replace it with an h100....

i have managed 4.2 for now with 21x200 and i will aim for 4.4 (either 21x210 or 191x23) ..i will wait for the h100..


h60 gives idle 40C and load 70C...This is good for me ..Battlefield 3 gives 65-68 max temp...
post #7 of 9
i7-960 @ 3.9 here, ( 20 x 195 ) you need to turn off EIST, turbo boost, and C state as well !

CPU PLL needs +0.1 V IMHO.

Got mine running 100% load 24/7 with a Corsair H70 cooler.

You need to reduce the mutiplier and increase the BCK in small steps and creep up on 4+ GHz.

HTH

dunx

P.S. 4.5 GHz will need 1.45 V and will generate a vast amount of heat, that a proper water cooling loop could manage.
Edited by 2002dunx - 1/2/12 at 2:52am
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post #8 of 9
Thread Starter 
Quote:
Originally Posted by 2002dunx View Post

i7-960 @ 3.9 here, ( 20 x 195 ) you need to turn off EIST, turbo boost, and C state as well !
CPU PLL needs +0.1 V IMHO.
Got mine running 100% load 24/7 with a Corsair H70 cooler.
You need to reduce the mutiplier and increase the BCK in small steps and creep up on 4+ GHz.
HTH
dunx
P.S. 4.5 GHz will need 1.45 V and will generate a vast amount of heat, that a proper water cooling loop could manage.

do you think a H100 would be ok? for the heat of 4.4-4.5ghz?

and yes i plan to drop the multi and crunk up bclk....we will see when h100 hits the deck...
post #9 of 9
Thread Starter 
So, replaced my H60 which served me well @4.2 and went for an H100 and 4.4 (210x21) 1.45Vcore

stable up to now:

400

400

CPU-z validator:

Validator
Edited by earthdog - 1/6/12 at 3:16am
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