an HP pavilion m7674n
XP media center .
the discs are : ms XP media center edition 2005 with update rollup 2 ( 2 discs )
and a 3rd disc called : HP media center PC supplemental recovery disc
the sound chip was Realtek ... now it literally doesn seem to exist . its not a card per se so i assume its on the mb ?
I have DLd the driver form the realtek page and have tried to DL something callesd : microsoft universal audio architecture high definition audio busdriver and so far nothing .
do you need any other specs ?