Hi guys, I found a couple similar threads, but I wasn't able to lock down an answer. I'm trying to connect my PC to my 7.1 home theater box (Onyko HT-R560). I can get everything to work with this setup:
HDMI video out of my GPU (MSI GTX 770) to 1080p TV
SPDIF audio out of my Asus P8Z77-V LK...