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Lapping method...correct? wrong?

post #1 of 15
Thread Starter 
Well I got bored last night so I overclocked my 4600+ to 2.82ghz (1.5v) After running Orthos (the one found on OCN, where it used both cores at once) I was getting 67+C and thats just after 5 minutes! Yes, I use AS5

I'm running the Ac 64 Pro, I went out and got some 200, 300 grits sand paper...I've read about lapping but I just want to confirm,

1) take out the HSF, clean it of any thermal compound
2) take the 200 grits sand paper, find something really flat and attach it to the bottom of that object with the sandy part facing down
3) move it in a circular or figure 8 pattery, rotate 90 degrees every 15-20 seconds.
4) after you notice some differences from when you started, use the 300 grits and do the same thing.

5) after lapping, clean the bottom of the HSF with some alcohol(not drinking) and reseat on CPU with AS5 or other thermal compound.


Does that sound right? I'm gona do a practice run on the stock opty cooler.

Also, does the Ac 64 freezer pro use 92mm fans? I'm thinking of getting it replaced with either a Thermaltake Smart Blue, or Vantec Tornado (only 2 choices). A friend of mine is using the smart blue on his case and it seems like a good fan, I don't really care about noise.

Thanks for reading.
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post #2 of 15
You want a mirror.. and are you saying you want the sandpaper to have the sand side face DOWN ONTO THE DAMN SURFACE YOU MOUNTED IT ON?
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post #3 of 15
Thread Starter 
I mean...

flat object
sand paper
HSF

You want to non-smooth part to be facing the HSF.
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post #4 of 15
***... sand faced down? where's you hear that? that's like... trying to drive a car when its upside down. not too easy, FYI.
first of all, start with 300, then go to 400, 600, 1000, 1500, 2000. 2500 is optional.
get something flat like a mirror, and tape the sand paper to it. (obviously with the sand-side upwards) make 0 or 8 figure motions and rotate 90* every 5-10 figures. get a higher grit when the scratches on the CPU are all the same size. this indicates they all come from the sandpaper. once you go up a grit, continue using it untill all the scratches are the same again. reapeat untill you've reached grit 2000 or 2500.
post #5 of 15
Thread Starter 
^ Thats what I ment...I can't think straight, just did about 7 hours of math.
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post #6 of 15
Look

I used the straight line method until 1500 then started the circular motion.
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post #7 of 15
I advise some brasso polish to finish the job off, but thats just coz I'm a perfectionist!
    
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post #8 of 15
Thread Starter 
thanks! time to go get more sand paper!

P.S How long does it usually take?
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post #9 of 15
Quote:
Originally Posted by panzer126 View Post
thanks! time to go get more sand paper!

P.S How long does it usually take?

Takes me about 40 minutes for a CPU or something of similar size.
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post #10 of 15
yeah dont start with 200 lol , really it dosent matter what pattern you to or anything , I just use 600 going up and down then move up to 1000 going up and down

The mirror finish isnt what matters , the flatness is all that matters
    
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