(I hope this wasn't posted already)
Looks like Asus has posted a number of new (beta) drivers for the Xonar family.. reports go from a bit mixed to very problematic, so try at your own risk..!
(Pasting in the links from Drago's post at...
I have been trying to build a new system with a Pentium D 830 and Asus P5WD2 motherboard, and am seeing some crazy temperature readings. I am using the stock Intel cooler with AS5 (I had to switch from the Intel thermal pad due to issues with RMAing a DOA Gigabyte 955X Royal, the store I took it...