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Old September 11, 2009, 11:13 PM
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Default Lapping CPU

I've been practicing lapping CPU's, by using some older ones I've got laying around. I use the little black holder that the CPU's come with to hang onto while I'm lapping and it works great.

Problem is, I cant find the one that my i7 920 came with, so I was wondering if anyone had a suggestion on what else could be used to protect the CPU while lapping? I don't want to risk contaminating the pins and screwing up a jewel of a 920 DO that overclocks really well, with really low voltage.

THX
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Old September 11, 2009, 11:20 PM
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I've seen some people suggest Painter's tape.
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Old September 11, 2009, 11:20 PM
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Maybe some low-ish tack electrical tape? A piece of plastic taped to it?

EDIT: I would be worried about painters tape leaving little pieces.
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Old September 11, 2009, 11:30 PM
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When I lapped my E6600 I didn't put anything on the back. I was just sure to clean it extremely well with 99% isopropanol.
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Old September 11, 2009, 11:58 PM
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Electrical tape is likely to leave a little residue behind, I think. Personally, the times that I've run into that problem, I just didn't bother covering the cpu at all. Of course, I was wet sanding, so dust was a non-issue.
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Old September 14, 2009, 08:03 AM
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question have you popped the lid, lap the cores or just lapping IHS

have a wood router ? cut a pocket to fit OD of cpu in a piecse of wood leaving the part expose to lap, tight fit cpu with no play

use glass or marble to wet sand your chip in figure 8 pattern.
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Old September 14, 2009, 08:14 AM
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Yeah, I did something similar. I used a little jewelry box and taped the CPU to it. This way you sand only the CPU and NOT your fingertips. :)
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Old September 14, 2009, 08:45 AM
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Quote:
Originally Posted by KaptCrunch View Post
question have you popped the lid, lap the cores or just lapping IHS

have a wood router ? cut a pocket to fit OD of cpu in a piece of wood leaving the part expose to lap, tight fit cpu with no play

use glass or marble to wet sand your chip in figure 8 pattern.
I'm not lapping the cores themselves, don't have the balls for that LOL, but I like your idea of carving a space out of a block of wood, my neighbor is a cabinet maker, so I have access to all the wood tools you can think of, thx for the idea, I would have never thought of that.
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Old September 14, 2009, 08:51 AM
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Quote:
Originally Posted by Prof. Dr. Silver View Post
Yeah, I did something similar. I used a little jewelry box and taped the CPU to it. This way you sand only the CPU and NOT your fingertips. :)
That's not a bad idea either, gonna have to rifle through my wife's jewelry collection while she's at the store
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