built in audio trouble

[sillyfresh]

i just installed a sound blaster audigy ls. but i also have a built in audio chip on my mobo. i was wondering how i was to go about disabling the on board audio. Im using a MSI 865pe neo2. sorry for bothering you guys with such an easy question.

 

[LiLithTecH]

Press DEL at Power On Self Test to enter BIOS.

Under "Intergrated Peripherals" go to AC'97 Audio
and change from AUTO to DISABLE (using the +/- keys)