How to enable surround sound with the DFI 350GB built-in audio

Dec 27, 2001
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Probably a pretty basic question, but I've never had anything but two small speakers with my systems.

The board is supposed to come with 7.1 audio, correct? But when I started up Doom3 and chose the surround sound option, it said no surround sound hardware detected. I'm running the PDIF out to a 5 speaker system.

How do I get surround sound?