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lapping Northbridge HSF

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Sep 11, 2002
So, do i go about doing this the same way i did with the CPU heatsink?

i take the northbridge off, and then clean off the gunk on it by using rubbing alcohol, or nail polish or isopropyl. and then i sand it down using fine grit sand paper. is that how you do it?

and how to i clean off the actual northbridge? with a cpu, i would just take the cpu out and clean it. but i cant (obviously) do that to the northbridge considering that it is attached to the motherboard.

So any advice would be great here =)
and i would also end up using AS5 right?