HI all, I wanted to know if its a good idea to lap a CPU before using it? What if its a DOA? I have lapped my Tuniq Tower 120 (can see my face in it) and I know that my CPU is Not flat, its high around the four corners/concaved. Am I overreacting or should I just do it? Thanks
Why don't amd and intel just make the heatspreaders flat to begin with? It can't be that much more expensive to do that. I guess it just takes too mcuh time for them.....
To lap my HSF I used a thick piece of tempered glass then put some 800 grit with some water under the sandpaper so it won't move around. How thick is the heatspreader on the CPU? I am considering doing it...
There would be difficulty in placing required information on the CPU if the chips came prelaped. All the identifiers would have to go on the underside. Quite a feat for AMD to accomplish, and for Intel chips, they'd have to be mighty creative to do it.
I lapped my notebook's P4 and temperature drop by few degrees only. Unless your CPU heatspreader is not leveled there shouldn't be a need to do it. But it takes time for a good lapping
OMFG! LGA 775 I was pushing very softly to get me CPU into the socket and bent two pins! How do I bend them back? I thought I was to apply some pressure for it to go in? What do i do now?
Your local plate glass replacement shop should be able to help out here, cheaply if you don't care about artery-slicing edges....
I like the water based grits, available at most good carpentry shops in grits from 800 to 5000.
Your piece of plate will need to be replaced often if you do this a lot, so become friends with your local glass shop. The grit can be dried and re-used several times with no ill effect. (that's why I like the water-based)
If using a cpu with pins, it is probably a good idea to use some conductive foam on the pin side of the CPU. Even with BGA chips its a good idea but will require some carefully applied tape to hold it in place better. I've heard of using aluminum foil, but I'm of the old school 'better safe than sorry'.
Does the CPU just rest onto the pins or does the CPU need to be push through the pins a little? Is there some place i can take my mobo to get them fix by someone that knows how to get the pins back?
