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how to lap the celeron 2

It's not a trivial, nor absolutely safe procedure, IMHO. Clay Autery posted the most complete guide to doing this. Do a search for his name and or "cautery," here at Anandtech's BBS.
 
I think a better heat sink will fix your problem much safer than trying to lap that little guy!

I had no prob laping my Cel 300 and 366 but I'm not going near the sand paper with this Cel2.

Bart
 
it was my understanding that that little layer of blue stuff was the only thing keeping the big nasty HS/Fan from crunching the actual core. now you want to get rid of it?
 
I've found that cautery and he's got something there about laping the coppermine but the link he's got there doesn't work so I don't know. i do reemeber reading, I remember because it was so bloody long. well I'm getting the orb tomorrow so see what happens. it's just i was reading about lapping the old P!!! and celeron and temps were dropping up to 10c but as you said too dangerous, I just wanted a smoother surface and better contact for the heatsink
 
You mention your are getting a golden orb.

You can lap that. When I did it, it lowered temperatures quite a bit.
 
The FC-PGA chip has the core directly exposed to the heatsink. There is a layer of silicon about 0.05mm thick. you gotta be nuts to try to make that layer 0.02mm although I guess (in theory) it would help a little. Definately not worth it!!!

Eric
 
Uh I beg to differ my P3 700e was no problem if you go to overclockers.com scroll down and look for the processors section there is a page with pic`s on how hard it is to even scratch the surface... they guy wound up using a belt sander to expose the core the silicon is very hard... My P3 700e now runs at 1000mhz 1.65 volts runs 3dMark2000 all day with no problem and runs much cooler for it...


Heck maybe I just got lucky... the thing I wont use is a peltier... to many temp changes (CRACK!!!)
 
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