sound device for vmware exsi

http://virtualization.blognotions.com/2011/07/27/virtual-hd-audio-hardware-in-vsphere-5/
sound.present = "true"
sound.allowGuestConnectionControl = "false"
sound.virtualDev = "hdaudio"
sound.fileName = "-1"
sound.autodetect = "true"
sound.pciSlotNumber = "34"

please note, duplicate pciSlotNumber in vmx configuration is prohibited.