Hi, I have this device. 
VIA Technologies VT8233/VT8235 AC-97 Audio Controller (audio multimedia, revision 0x50) at pci0 dev 17 function 5 not configured
I can't enable it w
# PCI audio devices
auich*	at pci? dev ? function ?	# Intel ICH integrated AC'97 Audio
autri*	at pci? dev ? function ?	# Trident 4DWAVE based AC'97 Audio
auvia*	at pci? dev ? function ?	# VIA VT82C686A integrated AC'97 Audio



# Audio support
#audio*	at aria?
audio*	at auich?
audio*	at autri?
audio*	at auvia?ith