hi, I have successful pass-through PCI sound on a HP 7800 machine using Xen 3.4.1 to a Vista Guest OS.. however I got a lousy and lagging sound effect when playing from Youtube or mp3.. anyone have similar issues? Keng.. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel