No Audo using SPDIF with GTX 260
So I got my card and I am trying to get it all going nice but for some reason I can't get audio to work with it. I have it connected to my motherboard properly and then to the card but nothing works. My audio worked fine when I used the onboard GPU that had HDMI out but nothing happens with the GTX 260. Do I need any software to get it to work?
Any help would be appreciated.