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Old 07-18-2007, 06:15 PM   #1 (permalink)
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Default ultra 120 extreme

i just got my thermalright ultra 120 extreme today and it needs to be lapped X_X anyone got any good guides on how to do this?
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Old 07-18-2007, 06:29 PM   #2 (permalink)
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Default Re: ultra 120 extreme

Heatsink Lapping Guide -= www.bigbruin.com =-

Nice heatsink....let us know how it goes. It's supposedly the best air cooler out right now.
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Old 07-18-2007, 06:31 PM   #3 (permalink)
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Default Re: ultra 120 extreme

yeah i got a nice 110 cfm fan for it too ^_^ haven't got it yet though X_X

thanks for the guide ^_^
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Old 07-18-2007, 06:33 PM   #4 (permalink)
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Default Re: ultra 120 extreme

Lapping eh? that a new term for me.
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Old 07-18-2007, 06:43 PM   #5 (permalink)
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Default Re: ultra 120 extreme

Lapping is the process of making a surface flatter, I think....because from the factory manufacturing of these heatsinks, sometimes the base isn't so flat, but like concave or convex. Lapping will also improve the contact between the processor and heatsink, as the grooves on the base are smoothed out, by the lapping process.
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Old 07-18-2007, 06:45 PM   #6 (permalink)
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Default Re: ultra 120 extreme

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Originally Posted by b1gapl View Post
Lapping is the process of making a surface flatter, I think....because from the factory manufacturing of these heatsinks, sometimes the base isn't so flat, but like concave or convex. Lapping will also improve the contact between the processor and heatsink, as the grooves on the base are smoothed out, by the lapping process.
I'd rather smudder my HSF with paste, leaving a 1mm thick layer of thermal paste.
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Old 07-19-2007, 07:21 AM   #7 (permalink)
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Default Re: ultra 120 extreme

^ same here lol. i never been a fan of lapping
but yeah best hfs out good choice
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Old 07-19-2007, 07:43 AM   #8 (permalink)
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Default Re: ultra 120 extreme

Lapping is not for the faint hearted...

What's wrong with lapping? Is it the amount of work involved? IMO, lapping will get better contact, and better temperatures, than adding more paste.
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Old 07-19-2007, 09:08 AM   #9 (permalink)
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Default Re: ultra 120 extreme

I just got my Ultra 120 Extreme in the mail yesterday.

The surface was really flat, machine marks were present - but they werent any "worse" than my Zalman CNPS 9500. I should have brought it to work to put on a granite table to really see how flat it was.

Either way, the surface quality was reasonably good. I've lapped heatsinks before and its just not worth the time for that degree or two shaved by minimizing the contact resistance.
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Old 07-20-2007, 04:40 AM   #10 (permalink)
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Default Re: ultra 120 extreme

most imes ive seen people lap HFS they shave off 1-3c i just dont think it worth it and possibly damaging ur HSF
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