Video card on base of chip r600 will possess support to sound transfer on interface HDMI. So The absence of special port on the rear panel is not required - cable HDMI can be connected to port DVI through the special adapter.
It was possible to assume that AMD integrates the appropriate functionality directly in the video chip, or it will propose a discrete solution, soldered directly on the graphic card. In the benefit of last version expressed yesterday associates which reported that video card on base of chip r600 will have its own hardware sound solution in type of separate chip. Which is characteristic, this sound controller will issue qualitative sound, capable of satisfying the owners of plasma panels and television sets with ports HDMI.
Let us note that there is nothing complex in a similar realization. The specialized sound controller costs several dollars
As supplier sound of controllers for video card on base of chip r600 is suspected realtek company , which released on 16 March this year drivers for device by the name ATI HDMI audio device: