check out my thread for this card under the networking>wireless section
might give you some direction
its a bitch lol
but I managed to get mine working for the most part.
I will be posting everything I did to get it to work just as soon as i can get it to work on my home network. Currently its only working on my schools network.
but check the thread out anyways, you might find something useful
Its for Fedora Core 6 though. The approach should be similar though.
heres the link to make life easier