well, it doesn't affect you computers's performances
i think that you're using a cheap soundcard and setting basic acceleration won't affect anything, except maybe improving the system stability and correct issues due to of poor drivers
if you want, download Everest Home Edition from
http://www.lavalys.com/
after installing the program, launch it, go to Motherboard -> Motherboard
and copy&paste Motherboard ID and Motherboard Name, here, then
go to Multimedia -> PCI/PNP Audio and copy&paste all, here