grmbl
hey dude I take the contest that I am the #1 experienced here in fan removal... ALL sort of fans... so I believe I know what I'm talking about
You won't maybe destroy the chip, but if it has no overheating protection like CPUs usually have, that will for sure damage the logic
I don't know if ATI has some or not, but anyway a video card running at 70 °C is noooo good 9_9
heh heh I'll have warned you