From the Threads related to
http://www.redhat.com/archives/fedor.../msg01009.html
(Post from fedora-list redhat com saying not to use ndiswrapper -harmful. Recommends how to make bcm43xx work.)
Quote from: John W. Linville
"Firmware used on the card has nothing to do with the host arch,
so it should work just as well on x86_64."