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lapping

post #1 of 10
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I really need to lap my hsf, My idle temps are 43/44 idle @ 2.73 and my vcore is 1.2 . What kind of sandpaper do I need to buy? 800, 1000, and 2000? I dont feel like waiting to order the lapping kit, and when I ask about it at computer shops, they have no idea what i'm talking about. Im kinda worried about doing it cause I dont want to mess it up, since I'm newly married and trying to get established. Thx for any help.
    
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post #2 of 10
if you want to be sure just read the description of a lapping kit and buy the sandpaper that it has in the kit at your hardware store. you dont need to worry about messing up your heatsink while lapping it. just make sure you are lapping it on a flat surface (preferably glass) and you should be fine
post #3 of 10
220, 400, 800, 1000, 1200 and so on
    
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post #4 of 10
Quote:
Originally Posted by b0z0 View Post
since I'm newly married and trying to get established.
what? what does that have to do with lapping? Do you mean you are on a budget and this is your work PC?

If this is your work pc and you rely on it to be working every day then lapping your CPU isn't for you. Try lapping your heatsink instead, this could also yield some good results. I've got a tutorial and guide in my sig.

I use the premium kits from easypckits, as you won't find that kind of paper at that price anywhere else.
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post #5 of 10
@leimrod: you have a IFX-14? Have you compared your load temp w/ it vs. your old cooling setup? I'm curious about it.
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post #6 of 10
really think it through, is it worth the warranty,for a coupe degrees,im not sure
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post #7 of 10
Lapping will VOID your warranty...

...that being said, there is a little thread in my sig.

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post #8 of 10
Just go at your local hardware store or car shop store, buy some wet/dry sand paper (its usualy black) Start with 400grit, then 600, then 800, 1000, 1500, then 2000. Wet down your sand paper first, remove the extra water, place it on a very flat surface (I used the side or an aquarium), and start lapping, moving from left to right or up to down, after each 10 passes, rotate the heat sink 90 degree and do another 10 passes. You should be doing this about 10 to 15 minutes for paper grain and by using your judgment. You can add a bit more water as you go to make it slide easier and also a tiny tiny bit of soap. By the end you will have a mirror finish... just do it very slowly and drink a couple of beers to make it more enjoyable

Start lapping your heat sink only, this will should not void your warranty. Once you get the hang of it, it you feel like doing your cpu... go for it! just take your time, cpu lapping will void your warranty as the others have mentioned.

Good luck
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post #9 of 10
Here are some web links that explains in details how to properly lap.. its very easy... just labor intensive

You can even order a lapping kit from these guys if you don't mind waiting for shipping.. I was impatient and went at my local hardware store.


http://easypckits.com/reviews/
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post #10 of 10
Always remember that the purpose of lapping is to flatten the surface of the heatsink. Not to get it as shiny as possible. Shiny is a bi-product of having a perfectly smooth and flat surface. Sheck it by using a grid to check for disturbances in the reflection from the HS base. If you see wavy lines, you need to think about dropping down a few grits and flatening some more. Use a very flat piece of glass or a mirror to sand on. Also make sure you use damp sand paper as this will help suspend the abrasive in the water and provide a much smoother and well distributed finish on the Heatsinks base.
    
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