tady mas specifikaci
http://www.motherboard.cz/mb/asus/CUSL2-M.htm
AC ' 97 Compliant 3D Audio
AD1881A CODEC
a vyhledej AC'97 SoundMAX
a pro pouceni http://www.datasheetcatalog.com/datasheets_pdf/A/D /1/8/AD1881A.shtml
http://ixbtlabs.com/articles/inteld815efvac97/