Hi,
This is the configuration I'm using :
agent: 1
args: -device intel-hda,id=sound5,bus=pci.0,addr=0x18 -device hda-micro,id=sound5-codec0,bus=sound5.0,cad=0 -device hda-duplex,id=sound5-codec1,bus=sound5.0,cad=1
boot: cdn
bootdisk: scsi0
cores: 2
memory: 3072
name: WS-XXXXX
net0...