My friend has an ibook, maybe 2-3 years old. I bought her the new airport extreme card. Tried installing it, but it seems the card isn't compatible with the ibook. How can this be? I followed the instructions, but the extreme card seems too small and the connection is different. The connection type is like a video card and the connection inside te computer is more like a pcmcia. I'm pretty pissed apple doesn't have better compatibility. Any ideas?