Chosen Solution

Before I cracked open my old rev a macbook, I wanted to know if the wireless N airport card from my newer BlackBook will work in my older machine. I don’t want to use wireless N, just want to make sure they’re compatible. Thanks!

should be fine - will even work in N mode, but not optimally, as there aren’t 3 antennas in the older macbook.

I agree with David, it should work fine. Are you breaking up the BlackBook for parts then?