Yeah I would think it would show two adapters - I'll take a look at the log and see if there are any clues....
here it shows 2 adapter, the monitor is connected with dislayport cable. however no hdmi/dp sound nor onboard sound.
Detected 2 audio adapter(s)
Error: invalid number of PCM instances for adapter 1
Card info for adapter 0:
num: 0
id: HDMI
driver: HDA-Intel
name: HDA ATI HDMI
longname: HDA ATI HDMI at 0xfeb64000 irq 45
mixer: ATI R6xx HDMI
componenets: HDA:1002aa01,00aa0100,00100500
CardInfo.card: 0
CardInfo.id: HDMI
CardInfo.Driver: HDA-Intel
CardInfo.Name: HDA ATI HDMI
CardInfo.LongName: HDA ATI HDMI at 0xfeb64000 irq 45
CardInfo.MixerName: ATI R6xx HDMI
CardInfo.Components: HDA:1002aa01,00aa0100,00100500
CardInfo.card: 1
CardInfo.id: Generic
CardInfo.Driver: HDA-Intel
CardInfo.Name: HD-Audio Generic
CardInfo.LongName: HD-Audio Generic at 0xfeb60000 irq 16
CardInfo.MixerName:
CardInfo.Components: HDA:10ec0671,17341203,00100001