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I just got an Apple 4870 and am using it with OS X fine. However it is soooo noisy.

Are there any software tools or firmware mods I can do to change the fan speed at various temperature thresholds?

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Solved: Edited and reflashed the rom from this guide:

Worked an absolute treat

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+1, good catch on that one. – Martín Marconcini Jul 5 '11 at 9:33

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