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What does lapping do? - Page 2

post #11 of 35
Quote:
Originally Posted by OCZedd
What is an IHS? Does it come with stock AMD cpu coolers? And how do you lap your cpu, sounds fun.

Edit: And is AS5 worth it? I know its not a lot of money so what the hell But does it reduce temps a lot? What % if it does?
IHS = Internal Heat Spreader

Lapping: http://www.overclock.net/intel-air-c...=E6400+lapping

Fun?... Afterwards, yes! During... for me nerve wracking (New E6400)
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post #12 of 35
suppose it is kinda dangerous, maybe i will just get the AS5 and hope it will knock down my temps.
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post #13 of 35
Quote:
Originally Posted by Syrillian
IHS = Internal Heat Spreader

Lapping: http://www.overclock.net/intel-air-c...=E6400+lapping

Fun?... Afterwards, yes! During... for me nerve wracking (New E6400)

IHS is easier just to take off (if it's not epoxied)

Lapping..well...lapping my BT for about an hour and a half...on the floor...my back hurt from bending over for a week...*****. But defn worth it for a 12C drop in load, and 100Mhz extra overclock.
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post #14 of 35
Quote:
Originally Posted by Sideburns
IHS is easier just to take off (if it's not epoxied)

Lapping..well...lapping my BT for about an hour and a half...on the floor...my back hurt from bending over for a week...*****. But defn worth it for a 12C drop in load, and 100Mhz extra overclock.

Got any good links (I've seen some, but I would like a second and informed opinion) for removing the IHS on a x2 3800 and E6400? I heard horror stories of soldered diodes, is that true as far as you know?
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post #15 of 35
Quote:
Originally Posted by Sideburns
IHS is easier just to take off (if it's not epoxied)

Lapping..well...lapping my BT for about an hour and a half...on the floor...my back hurt from bending over for a week...*****. But defn worth it for a 12C drop in load, and 100Mhz extra overclock.

I don't think taking the IHS off is such an easy task on a allendale/conroe. I heard some people tried on conroe (and pentium D's I think too) and destroyed the cpu. I haven't looked into it much, but I haven't seen anyone who successfully took off the IHS on a conroe yet. I think something is actually soldered or epoxied like you said, and so it's very hard to do I guess.

And ya, it's takes some time to do lapping correctly, but totally worth it you're right! I do it to all my cpu's and hs's. I voided the warranty on my e6400 10min after I knew it was working. Tore it back out, and started sanding away on it and the BT. Then sold it to a friend, got another e6400 that OC's a little better, and lapped it too. Then I did my e6600 and it's BT a few days later. It helped my temps some, but my last couple BT's haven't been too bad for flatness. Actually both the allendales and the conroe, haven't had too bad of surfaces either, not perfect though. I did drop a few degrees though for sure.
    
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post #16 of 35
Thread Starter 
Also, if I lap my CPU, does it voids the warrenty?
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post #17 of 35
Yes, very much so. lol....but by the looks of your CPU it might be up already?
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post #18 of 35
Thread Starter 
Oh yeah...i forgot, it expired...crap...So should i lap it? And is IHS removal and lapping the same??? I saw a video tutorial by Crash about removing the IHS, so, should i remove IHS or lap it? And which one works better?
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post #19 of 35
Find out if your IHS is soldered or epoxied first.

IMO, I would remove the IHS (since your CPU is not new). You will get superior thermal transfer by eliminating the middle element that the heat has to travel accross.

Be careful!
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post #20 of 35
Northwoods weren't soldered as far as I know. But just to be safe, lap it and see if you are satisfied and in the mean time, figure out if your chip has the IHS soldered on, and then if not, pop it off.
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