I won an X1900XT mac edition video card that the seller said powers on but no video. Took a chance he either didn't have the 6 pin video connector installed or he tested it on a PC. Do mac flashed cards work on a PC as primary video? Were the mac editions less reliable then the PC versions?

Figured it would be better then the 6600LE cards I have now (G5 2.0DC) if it works.