Voltages?

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bharatwaja

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Dec 20, 2007
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I have a Qx9650 on a maximus formula motherboard, I overclocked it to 9x420, i.e. 3780 MHz.... Using a Coolermaster Hyper212 Cooler with dual fans, the temps are 36-38 at idle and 45-50 at load... depends on the day, I live in india and Ambient temperatures are quite high during the day.....

Anyway i saw in some forums, in some posts, ppl set CPU voltage to 1.3-1.38 (max which i have seen so far) to get 400 X 9 stable......

Mine is running stable (24hr prime95)..... but the cpu voltage I am using is jus 1.18 V, with load line calibration set enabled..... Is this ok? or is there something wrong??? I mean, this voltage is far below what others out there are reporting for 400 X 9 OCs....

Should i be worried??? and also, does this say anything about my particular processor??
 
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bharatwaja

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Dec 20, 2007
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The reason I am asking is it seems very different..... On average, ppl report atleast 1.3 v to get to 400 X 9, I wanted to know if maybe its possible that my board is overvolting...... and how to find out if that is the case????
 
Drsignguy

Drsignguy

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Mar 24, 2002
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The lower the voltage and system is stable = best. :thumbsup: I wouldn't worry about others as EVERY chip is different, Every system is different and temps will vary. So, As you have posted, with a vcore @ 1.18 and your system is running @ 3.8, I would say this is good.......... Just out of curiosity, Send a screeny of CPU-z. :) And What is your VID of your chip?
 
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Shimmishim

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Feb 19, 2001
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I wouldn't be too worried that your qx9650 o/c's better with less voltage. That is an overclockers dream come true!

As long as it's stability tested then you should be good to go.
 
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Mr Fox

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Sep 24, 2006
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Originally posted by: bharatwaja
Here's the screenshot.... Also, if u can see, two cores have temps consistently higher, i.e. 10-15 C higher than the other two.... why is this??
http://img2.freeimagehosting.n...age.php?0bc5adef00.jpg

Also, by the way, what are the voltages for ur Q9450 @ 3.4???
Click to expand...



Your Heatsink/Fan is not making even contact... probably the Push pins have backed off.. you should pull the board with the H/S attached, and look at rear where attachment points are..

You can make that more robust by using screws, and washers to attach.
 
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bharatwaja

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Dec 20, 2007
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I am sure that there is nothing wrong with the HS/F Assembling, I've done this a lotta times for numerous rigs.... and I am using the Coolermaster Hyper212 cooler, which uses screws and washers. I am sure that is not the case, I had that doubt while using the Stock HSF, but even after using the Hyper212 its still the same..... Now I'm curious....
 
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bharatwaja

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Dec 20, 2007
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but, how come the same issue with the stock HSF too??? if I had not seated the stock HSF properly at first, then for that cooler, the surface ain't flat...
that makes two coincides out of two... I mean, what are the odds of that....
so if we are gonna consider flat surfaces, i could better say, my CPU surface aint flat??
kinda like a very small manufacturing defect?? Cause the odds of that is more believable....
 
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bharatwaja

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Dec 20, 2007
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Originally posted by: gt3911
Same results with that cooler here

maybe its not very flat?
Click to expand...

The results given in ur link for hyper212, the difference in negligible... its jus 3-5 at max... but my Core temps have a difference of 8-9 C atleast....

I assume u meant the cooler is not very flat....
 
Drsignguy

Drsignguy

Platinum Member
Mar 24, 2002
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Originally posted by: bharatwaja
Here's the screenshot.... Also, if u can see, two cores have temps consistently higher, i.e. 10-15 C higher than the other two.... why is this??
http://img2.freeimagehosting.n...age.php?0bc5adef00.jpg

Also, by the way, what are the voltages for ur Q9450 @ 3.4???
Click to expand...


My Vid is 1.25V and @ 3.4 I set voltage in bios to 1.2675v, at full load, drops to 1.216v-1.200v. Temps range around 50c across all 4 cores.

 
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bharatwaja

Senior member
Dec 20, 2007
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Originally posted by: gt3911
Is this a no load situation? Do they sync closer under load?
Click to expand...

ya, this is at idle...
but in load, the first two cores increase and the other two increase slowly.... after a while the first two cores stop increasing and the the other two cores catch up, the difference is reduced to 2-3 C..... is this familiar?
 
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bharatwaja

Senior member
Dec 20, 2007
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Originally posted by: aigomorla
http://i125.photobucket.com/al...73/aigomorla/2hour.jpg

1.35

Why are you limiting yourself on that 9x multi?

crank it up one and go 10x400.

Anywhere from 1.3-1.4 is considered safe if you can keep your heats in check.
Click to expand...

I would, but am jus waiting for winter... in a couple of months, ambient temperatures come down to 20 or so.... now its jus too hot here, around 35-40 Ambient temps during the day, I live in India....

The temps are just to high now if I go on 10 X 400....
 
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bharatwaja

Senior member
Dec 20, 2007
431
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Originally posted by: Drsignguy
Originally posted by: bharatwaja
Here's the screenshot.... Also, if u can see, two cores have temps consistently higher, i.e. 10-15 C higher than the other two.... why is this??
http://img2.freeimagehosting.n...age.php?0bc5adef00.jpg

Also, by the way, what are the voltages for ur Q9450 @ 3.4???
Click to expand...


My Vid is 1.25V and @ 3.4 I set voltage in bios to 1.2675v, at full load, drops to 1.216v-1.200v. Temps range around 50c across all 4 cores.
Click to expand...

My load temps reach upto 65-70 C, but its because the ambient temps here are so high....
 
Drsignguy

Drsignguy

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Mar 24, 2002
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How many case fans do you have and what size are they? What I am asking is, do you have good airflow within your case?
 
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