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Holy concave nForce, batman!

Rizen

[H]F Junkie
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Joined
Jul 16, 2000
Messages
9,509
I was installing my Zalman ZM-NB47J northbridge cooler, which is a pain in the ass to install BTW, and when I applied my AS5 I noticed that it certainly was removing a lot of excess when I was spreading it out. I stuck the NB on, noticed that my pushpins STILL were not aligned right, so I pulled it off. Low and behold, 70% of the NB wasn't making contact with the chip! :eek: These nForce2 chipsets must be concave as hell! I applied more AS5 right in the middle of the chip and let the Zalman spread it out so it would make contact, but geez, if I hadn't caught that..

Anyone else have a chipset this bad?
 
Try putting a big blob on the center and let the NB heatsink sit on it evenly and say goodbye to your concave trauma.....



just my .02 cents
henessey
 
then again, thick thermal paste is just as bad as no thermal paste. And it is a known issue with the (epoxy cast?) covering of nforce northbridges :(
I've had 2 or 3 that suffer from the same issue... The only foolproof way around it (with good<--) cooling is sanding down the northbridge (take a small flat block, i use plexiglass) and strap a piece of sandpaper. Mask off the surrounding area and have at it...

It's good you caught it, but with that thick of a TIM in between you're probably not doing much better than before. That's why the manufacturer's use such thick thermal pads (or just gobs of white sili thermal compound). Either way you'll probably be fine, considering what manufacturers use in the first place...
 
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