Have you tried the Alsa sound driver?
Yes, I have.
But that's not the problem. I managed to get 5.1 analog aoutput with both alsa and nvaudio drivers.
But now I've found this "ASUS" drivers. And asus says that the nvidia drivers don't work for my mobo, and that's not really true...
So I'm trying to find out if anybody has tryied out this *asus* drivers, and if anybody knows wich differences them have compared to the nvidia ones.