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*SOLVED* Tools to lapp a CPU - Page 2

post #11 of 21
Quote:
Originally Posted by westevilspirit777 View Post
nice clock u got there on ur Q6600 how many volts r u giving to it?
nd this is lapped right?
Yes it is lapped, and I run it @ 1.67v. It's been running at that voltage for the past 2.5 years, still is rock solid
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post #12 of 21
Thread Starter 
hmmm :/ Back to griting I go..... my poor fingers are blistered enough as it is, and tightening those bolts up are hard enough as it is

My tempature's are fine until I lapped the bloody thing grrrrr!
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post #13 of 21
I believe your problem is the grit is not fine enough.
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post #14 of 21
Thread Starter 
Quote:
Originally Posted by Sonic-Boom View Post
I believe your problem is the grit is not fine enough.
I'm not sure about that, the CPU Top IHS looks like the colour you would find on copper pipes, all the grey is gone. I think I sanded too much around the center than the sides and the corner's.

When I start sanding it again, I will concentrate on brutely sanding the sides and the corner's of the CPU so that the center of the CPU looks 100% level with the sides.
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post #15 of 21
Check this lapping kit out, goes up to 2500 grit. Thats 10x finer than you are using. Also there are several different kinds of sandpaper, and it could be why you are experiencing problems. Theres Aluminum oxide, silicon oxide, and emery are the most common ones for metal and all are a bit different. Theres also sandpaper that you very well have designed for wood.

http://www.frozencpu.com/products/28...pping_Kit.html
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post #16 of 21
Dude,after 2 hours you should be done.If it's not flat you have not been doing it right.
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post #17 of 21
and if you lap it too far your heatsink may not be applying enough pressure for firm contact between the two surfaces =]

i lapped till 2000 grit now my processor is a pocket mirror
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post #18 of 21
Thread Starter 
I was told not to grit it to mirror shine.

I used something flat like a ruler and it shows that my CPU is not complely flat, it seems that the side's are higher than the center of the CPU.

Sorry, but I'm not going back out to buy more sandpaper, Iv'e been out to the shop, felt the sandpaper and picked up which felt the roughest to me and the smoothest, now finding out on here that it's not and I'm still pretty much confused about it all.

I'm new to lapping and I'm sure the next time I lap something else, I will get the 2500 sandpaper.

When I first lapped my 1055T I was going in circular motion's which probably results in the un-balance between the center and the sides of my CPU.

So what I'm going to do now is get my CPU back out and concentrate on sanding the sides of the CPU which should bring excellent contact between the W/C block and the CPU.
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post #19 of 21
Quote:
Originally Posted by Atomfix View Post
I'm not sure about that, the CPU Top IHS looks like the colour you would find on copper pipes, all the grey is gone. I think I sanded too much around the center than the sides and the corner's.

When I start sanding it again, I will concentrate on brutely sanding the sides and the corner's of the CPU so that the center of the CPU looks 100% level with the sides.
u shouldn't be giving ANYYY*** pressure on the CPU neither sides,corners or centres..let the weight of the CPU do its work

u should only hold the sides of the cpu with 2 0r 3 according to ur comfort and move the CPU back and forth on the sand paper

FOLLOW THIS GUIDE***** an excellent guide



hope that helps u
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post #20 of 21
Thread Starter 
Watching that video, I did nothing like what he did, I haven't even got the grit paper... the one I used looks like it has micro stones on there, but looking at that grit paper he used looks totaly different.

Just lapped my CPU again and now running Prime95 and I'm getting the same tempature's as before, 49C max load and before I lapped my CPU, it was around 40-42C max load at my OC setting's Could this have anything to do with waiting for my Thermal Paste to cure or something?

Bare in mind, I did not grit my CPU like he did, I scrubbed it on with little cut out pieces of grit paper. Should I start from scratch again and sellotape some grit paper down and stroke the cpu upwards and downwards like he did?
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