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Old 07-20-2007
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Default Applying Thermal Paste........

Hi Everyone,

I've come across some info over at Arctic Silver on how it should be applied to a *quad* which has me scratching my head.

For dual cores, I've always used the same method and have achieved great temps.

I've always just put a very thin layer over the entirety of the IHS. Here is AS's method.


I was under the impression you never wanted the IHS to come in contact with the bare heatsink. With the way AS has shown, you'd have area on the IHS and HS that would not be covered, which is going against what I *thought* was right.

Just can't wrap my head around their method, so, I'm looking for you guys to explain to me why their method will work better, because I really don't understand.

Any help appreciated,

Thanks
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Old 07-20-2007
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Nothing wrong with that.

When you apply to a single core, you put a little pea in the middle and let the compression of the HSF squeeze it out from the center.

With the two cores, they're just having you draw a line across both cores. Then the application of the HSF will squeeze excess out from there.
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Thanks jonny, just wanted to make sure I wasn't missing anything important thermal wise.
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Old 07-21-2007
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Yeah, they are just illustrating why it is done that way.
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Old 07-21-2007
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Maybe I'm just splitting hairs, but essentially, you should be able to put thermal paste strictly over the cores and call it a day correct?
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Old 07-21-2007
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Same difference I should think. But you know, Arctic Silver's instructions should be followed explicitely IMHO. Why? Because they have done the work to figure out the best way to do stuff, right?

That said, the cores are what need cooling, so if paste is on the areas of the IHS that contact the cores, you're covered. What matters is how you apply it and install it.

I recently lapped my thermalright XP-120 and then reintalled it but changed over from ASC to Coollaboratories Liquid Pro Liquid Metal. That stuff is applied by a radically different methodology: a #4 paint brush that I cut the bristles shot on. It put the stuff on so thin you could almost see through it and the results were shockingly good. How you do it makes a big difference in how well the stuff works...
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Old 07-21-2007
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The thickness of AS5 should only be about the same as a sheet of printer paper once it's been applied and pressed on by the HS anyhow. I can almost see through that too. Used to be that AS5 was applied with a dab the size of a rice grain and spread with a razor.

I've used that older method with the razor and the method of using the big line and letting the HS do the spreading. Both on the same Core 2 proc, and both with the same temps.
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Old 07-22-2007
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Quote:
Originally Posted by jcgamo88 View Post
I've used that older method with the razor and the method of using the big line and letting the HS do the spreading. Both on the same Core 2 proc, and both with the same temps.
I really didn't think there would be any difference, but I was open to the possibility of this *being new and improved*

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Old 07-30-2007
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I just changed out the CPU on my laptop and this is what I did. This is for small core.

Remove the residue of stock thermal pad the best I can with a sovlent.
Smear a bit of arctic alumina on heatsink then wipe off

Add a dab of arctic alumina, about the size of a grain of rice and spread out into a thin, even layer so the entire core is covered using the edge of a blister pack plastic.

Install the heatsink.

This is still the method they recommend for exposed core type.

Last edited by Kvar; 07-30-2007 at 04:17 AM.
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Old 07-30-2007
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When I used my Liguid Pro I only applied about 1/4 of a short grain rice kernel to both the HS and the IHS. Applying and whiping doesn't work right with liquid pro. It is quite difficult to apply but boy does it work!
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