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Old March 9, 2008, 01:34 PM
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Quote:
Originally Posted by Eldonko View Post
GJ man. FYI you can get finer paper at autoparts stores, up to 2000 grit.
It's been a while since i've bought sandpaper, but i've gotten 2000 grit from Crappy Tire.
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Old March 9, 2008, 02:11 PM
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Quote:
Originally Posted by frosty View Post
so the smoother the better or the shinnyer (if thats a word) the better.... I used to polish wheel covers at work when I worked in the Polish Room...... this stuff is redally avaliable to me without cost..... but is it just a matter of being smooth and flat? Guess I could give it a chrome polish finish.... exactly like a mirror......
NO, not at all. From what I have been told here and read a polished surface is not what you are after. The thermal paste may not do its job very well either on a mirror finish. achieving a virtually flat surface is what you are after, flatter the better.

As someone mentioned to me , the shine factor is only for the ego, not for performance.
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Old March 9, 2008, 02:14 PM
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Quote:
Originally Posted by 1Tanker View Post
It's been a while since i've bought sandpaper, but i've gotten 2000 grit from Crappy Tire.

That is true, I bough my paper there this week, in the automotive section,

I picked up one full sheet of 220grit then an assorted pack that ranged from 320-800 grit in 1/3 sheet strips, also a pack of each 1000grit, 1500grit and 2000 grit.

My results are here : http://www.hardwarecanucks.com/forum...ifficulty.html

I did not use a ploishing compound just the 2000 grit paper to finish with a touch of water. It is likely to shiny to be effective but it was a pouched chip anyway.
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Old March 10, 2008, 07:04 AM
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Hey all, Im sorry but Im fairly new to anything other than basic computers and Im wondering about lapping. Could someone give me a quick rundown so I can give CanadaRox the GJ he/she deserves? lol sucks being a newb doesnt it
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Old March 10, 2008, 07:07 AM
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Read this thread http://www.hardwarecanucks.com/forum...s-lapping.html

Should have what you are looking for.
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Old March 10, 2008, 07:10 AM
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Appreciate it :) tx
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Old March 10, 2008, 07:17 AM
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Im sorry if this is bringing the thread offtopic at all and feel free to tell me to start my own lol but what are the benefits of this as well as any downsides? Basically just providing a smoother surface to gain more contact area between the heatsink and cpu? if so....isnt that what thermal paste is supposed to do?
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Old March 10, 2008, 07:34 AM
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Yes but the TIM is still adds some thermal resistance to the system. Making the surfaces mate better together means the TIM is MUCH thinner and thus has less thermal resistance to get the heat out of the chip and into the cooler.

There is the risk of pooching the chip but it's minimal to nonexistent if you are careful of what you're doing. Of course iv voids the warranty but most clockers/modders are used to voiding warranties on equipment 15 minutes after they get it.
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Old March 10, 2008, 07:39 AM
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Tx lol wont be trying it myself anytime soon personally modding OR Overclocking...having a hard enough time just getting my two junkers to run decently lol and tx to CanadaRox for starting a thread that led to me learning something new
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  #20 (permalink)  
Old March 10, 2008, 09:03 AM
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This article expands on lapping even further and is quite helpful to get a better understanding og the What,Why and Hows of lapping: Tech ARP - The CPU & Heatsink Lapping Guide
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