noob oc q 6600 question - temps

totoro

totoro

totoro

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16 May 2005
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271
Hello,


Thought I might dip my toe into the seedy world of overclocking. And maybe try and clock to 3ghz.


I've been checking out some guides and was wondering temp wise, which I should be looking at - CPU temps or the core temps.

CPUID hardware monitor shows CPU at 35c max, but core temp are far higher.
The highest being core #0 at 48c normal - 60c max.

Cheers.
 
cheers mate, will bear that in mind.
Yup, using the stock cooler.

* edit


I ran prime95 and I was getting 69c during the stress test. I thought this was super high, but from what you say its about normal for stock cooler?

Idle temps are: 45-35-38-39. Just seemed really high to me for a non-over clocked system.

I even cleaned cpu and HS and applied some coolermaster thermal. Thinking the HS was not properly seated.

* I don't think the airflow in the case or case cooling is a problem, got loads of air moving around inside with 2 fans and a large well vented tower.
 
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im new to clocking these multi-core CPUs, but I think that if one of your cores is significantly higher, the other 2 medium, and one low, then it might be something to do with your thermal paste or seating of the cooler... maybe it's just that your cores have different capabilities, but i dont think they should vary by THAT much...

try doing the whole cooler thing again.... u know, remove, clean, put new paste, seat cooler again... i was never sure about the whole thermal paste thing, at first i put a blob on, always too much or too little, then tried that 0.25mm thick layer spreaded with a credit card (the days of the athlon xp) and that sucked too...

the best way for me, was if i got a thermal paste syringe (like Arctic Silver 5) and put lots of very very small dots all over the heat-spreader or core so it was basically mostly covered by paste, and then sat the heatsink... that works nicely for me

but i know most people wouldn't agree with doing it that way because it could be called "hazardous" for putting too much on or whatever... i guess you just gotta be careful really... also turn off any power saving options in the BIOS, i think there's a power saving option for the Core2 architecture that can deliver different power to different cores... maybe that's what's happening in your case (explaining the different temps)... could be either of those 2 issues, but im not experienced enough yet with these new gen processors to be able to say... a lot has changed since i used to squeeze every last MHz out of those Athlon XPs and Socket 754s! :)
 
hey i just done some quick tests for you

ran prime95 on one core, affinity in task manager set to one core...

fired up Core Temp, and the core under load is reading 62'C, a second core is reading 60'C

the third and fourth cores are 54 and 55'C each...

so with one core under stress, the max temperature difference between any of the cores is 7-8'C

contrast this observation with your cores... when they're all idle, there's a difference of 10'C between them, whereas the difference should only be as big as 3-5'C... so its one of the following problems
- the way your cooler is seated
- the way your thermal paste is applied
- the CPU itself has been "cut" differently... i.e. you know how different cores may overclock differently, well yours might be a drastic example of this (i doubt its this problem though)
- a setting is allowing for different voltages to be delivered to different cores... presumably a higher voltage to the "main" core and the rest are "asleep"... i remember reading something like this a while ago, but i dont know if what im saying is true... if someone could confirm this for me i'd be happy :)

there's a way you could test the last thing i said... fire up prime95 on all 4 cores and see what the average temperature difference between your cores is... if it's normal (i.e. anything below 3-5'C) then you know it's the last issue... if it's still got that massive gap, then you know it's either the first or second issue

or... you'd be gutted... maybe the IHS was mounted badly by intel... but lets hope it's not that one ;)
 
hi different temps over cores is common on quads nothing to worry about, only real way to get them more even is to lap the cpu.

putting lots of spots of tim on the chip is worst advice i have heard, you want thinnest layer possible. maybe invest in better cooler.
 
when I remounted the HS I used the method on the arctic silver site. Thin line across the middle of the chip. It lowered temps by about 2 degrees or so. So I dont think the HS mounting was the problem, just the HS.

I'll probably order a new one when I upgrade my graphic card soon. Although spending the best part of £40 on a HS for a £100 seems a little overkill. But I guess if I get a half decent one it can be used for the next few years at least.
 
you don't have to get an uber cooler if you're only looking for 3ghz or slightly more. an arctic cooler for 18 quid would do the job.....

http://www.overclockers.co.uk/showp...oling Freezer 7 Pro CPU Cooler (Socket LGA775)

another el cheapo cooler is the akasa ak-965 which ocuk sell for 13 quid. i have one running my q6600 @ 3.4ghz with the same mobo that you have. it's not quiet under load but i rarely stress my cpu anyway. certainly no games i have cause my cpu fan to spin up. and it's pretty quiet when idle. :)
 
btw, the thin line application thing, i think that's for Core2Duo not for Core2Quad... and yea i know the advice sounds like the worst ever lol, it really does sound worse than it is, i read what i wrote imagining i was someone else and it sounds like suicide of hot gooey thermal paste oozing out of every side of the chip... lol it's really not that bad in reality, but i think in future i wont tell people how to apply thermal paste ;)

yea lapping the CPU is a good approach, i think it's for more advanced overclockers, i've never lapped in my life (except a heatsink once, which in the end i didn't even use :| lol...) but i'll probably do it sometime soon... it'll be nice to get rid of that ALU layer on top of the heatsink to reveal the copper, we all know it conducts heat better...

and ideally you do want the thinnest layer of thermal paste possible, but i couldn't do that without lapping... and i have a nice warranty on my cpu so i wont be doing that anytime soon ;)
 
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