to lap cpu or not?

Geekazoid

Geekazoid

Geekazoid

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OK guys had my 2500k for a year or so how long is the warranty with Intel? if its one year i might just take the risk and lap my CPU and Heatsink (NHD14)... i want to lap to mirror finish with a vacuum between the two surfaces... can this be done by myself or should i get it professionally lapped?

Many Thanks
 
Lapping is really easy. Get different grades of wet and dry sandpaper and work your way up through the grades. Dont use too much water and use a sanding block if possible. You normally see your temps drop after.
 
Dont use too much water and use a sanding block if possible
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cant i just lap ontop of a mirror (as they seem flat to me)

I need all the deg C drop i can get im pushing my CPU/hardware to the limit to extend the lifespan as much as i can.
 
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OEM -1 year
Retail - 3 years

That said I've only ever seen one Intel CPU fail in 15 years of working in corporate IT with thousands of end user machines...
 
i believe it was OEM but need to check if it is heck it i lap if its retail hmm dont want to loose my warranty...

is it possiable to lap to a quality where there is a vacuum between the surfaces using manual method by myself.

i want to be at the stage where i dont have to apply thermal paste or apply VERY little of it..
 
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I'm a bit confused, how does the joining of two flat surfaces create a vacuum? And how does pushing components to the limit extend their lifespan?
 
"Vacuum" doesn't mean what you think it does.

Lapping cpus is mostly done to make the surface flat, it doesn't have to shine.

I've done it on a machine, with lots of cooling water. Works well. By hand is ok too, but slow, and you'll end up with a slightly convex surface.
 
Put the wet and dry paper on a flat surface, a small sheet of glass is ideal. I done it with a q6600 that was hitting 81c under a TRUE cooler at 3.8ghz. Lapped both the cpu and cooler base and seen a drop to 68c max.
 
Go for it mate, and as your under good watercooling it will show far better gains. Btw, whats the number for the bahamas consulate/embassy, id better ring em up and warn them that your coming over.:D
 
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What is your current max overclock STABLE and what are the max temps.

lapping is good and easy to day, but no point doing it if its not going to help you. i have only ever seen a 5c drop from lapping and that was under a water with 2 x 240 rads. you need to look at your system and think will it help you. if your CPU is maxed with ok temps then lapping will do nothing for you.
 
I'm a bit confused, how does the joining of two flat surfaces create a vacuum? And how does pushing components to the limit extend their lifespan?
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You create a vacuum when the two surfaces are very flat and smooth that when you push them together they stick 10-20 sec you created a vacuum between the surfaces
 
Geekazoid said:
You create a vacuum when the two surfaces are very flat and smooth that when you push them together they stick 10-20 sec you created a vacuum between the surfaces
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I think that sounds something like the Van der Waals force. It has nothing to do with vacuums.

If you put two perfectly flat surfaces against each other there should be no space between them, and as such a vacuum cannot form.
 
kaku said:
I think that sounds something like the Van der Waals force. It has nothing to do with vacuums.

If you put two perfectly flat surfaces against each other there should be no space between them, and as such a vacuum cannot form.
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+1 - A vacuum exists where the air pressure within a confined space is less than the air pressure outside, AFAIK it's not possible to create a vacuum between two perfectly flat surfaces. Perhaps you are getting confused with 'cold welding' which needs to take place within a vacuum? - http://en.wikipedia.org/wiki/Cold_welding
 
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