i have z77x-ud5h mobo, I7 3770k (ivy bridge) tp link pci express card for wifi, latest atv os (5.02 or also called 5.1.1) and mac mini definition and IT WORKS!!!
to get it to work i first had to update ATV, it still didnt work, so then i changed system def. from imac 12,2 to mac mini 5,1 and...