Op, have you tried the Unified drivers for the Asus STX?
http://maxedtech.com/asus-xonar-unified-drivers/
They are not as buggy as the asus original drivers, and yes..they work on windows 7.
http://maxedtech.com/asus-xonar-unified-drivers/
They are not as buggy as the asus original drivers, and yes..they work on windows 7.