Hi, I had the same problem (and same MOBO); tried the latest driver (<a href=http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=1&PNid=24&PFid=1&Level=6 &Conn=5&DownTypeID=3&GetDown=false&Downloads=tr ue
>here</a>), but it connected, disconnected and so on; Vista x64 worked fine...<br />
Then I changed the passphrase for WPA access.<br />Vitsa sent is as Hex (my router was configured to recieve a hex key), but I suppose the Realtek tool in OSX only sends Ascii values.<br />
Now it works fine...