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Lapping off 2.5mm (2600k)  

post #1 of 164
Thread Starter 
I took a Quick trip to work today and brought my poor CPU with. We took off 2.5mm of the IHS. Now ny question, was is too much? It was done by machine. Its 100% flat. I'll post some temps when its running again. IF it runs :S
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post #2 of 164
Sounds like a lot too me.Wouldn't .5mm do it?
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post #3 of 164
God why do people insist in lapping their cpu's?

But to be honest, 2,5 mm DOES seem like a lot of IHS.

Post some pics.
Edited by iZZ - 4/29/11 at 7:17pm
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post #4 of 164
Thread Starter 
Theres basically is no IHS left. Thats why im worried
Ill post pics when i get it running. No flash om My iphone otherwise imageshack would been my first pick.

Well i wanted mine lapped lol. We usually just plain engine blocks with it
Edited by XrOo - 4/29/11 at 3:34pm
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post #5 of 164
Quote:
Originally Posted by XrOo View Post
Theres basically is no IHS left. Thats why im worried
Ill post pics when i get it running. No flash om My iphone otherwise imageshack would been my first pick
The idea of lapping is to make a smooth surface, not removing the IHS. So you are saying there is just the bare die exposed?
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post #6 of 164
Is there still copper?
post #7 of 164
Thread Starter 
Some. At least. Just not very much of it left
Lapping has given me great results before. So i thought, why not again? Though last time was by hand. ;-/
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post #8 of 164
need to see pics of this
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post #9 of 164
I would never of done that to any of my CPUs, not even the trusty 550 BE.
    
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post #10 of 164
Quote:
Originally Posted by iZZ View Post
God why do people insist in lapping their cpu's? It's a bit exagerated but here it is.

http://hubpages.com/hub/How-to-destr...-by-lapping-it

But to be honest, 2,5 mm DOES seem like a lot of IHS.

Post some pics.
I see you've never lapped your CPU....The temperature difference from the nickel to the copper as well as the temperature drop of removing the unevenness in the IHS can drop temps as much as 9°C on air cooling. That is a big drop, but some CPU's have proven to be extremely uneven. By lapping the heatsink as well (copper copper mating), temps will fall even more. Lapping both surfaces on average drops temps about 10°C (assuming they were not already perfectly flat as most aren't).

Quote:
Originally Posted by XrOo View Post
Theres basically is no IHS left. Thats why im worried
Ill post pics when i get it running. No flash om My iphone otherwise imageshack would been my first pick
This is actually quite unnerving. 2.5mm may be too much but we won't know until we see it/test it. What you may be forced to do is to completely remove the IHS.


It doesn't look great but the flame melts the solder and it should come right off.
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