04-20-2012 12:53 PM - edited 04-21-2012 02:21 PM
Downloaded new drivers directly from realtek (which were released on 30.03.2012) and that annoying noise disappeared. These drivers even 'know' about SRS, so everything works fine with them. Problem solved at last, at least for me. Hope that these drivers will help others having the same problem too.
Here's the link click .