First you should be using drivers only from Asus...here is the driver you will need.
http://support.asus.com/download/dow...el=P4P800%20SE
The 80281EB is your USB controller, your mobo is in fact a 865PE chipset, I reccomend you follow the instructions in the maual they are quite good, otherwise here is an old artical by Clintfan that pretty much guides you through it step by step...
http://www.techsupportforum.com/hard...tel-ich5r.html