If you have a via motherboard PC, and if you just lost the driver CD, all you need to do to download the proper driver for you audio is to look at a chips at the motherboard itself, it would look like this:
there you will see your model number is VT612A, go to via arena site and choose the proper driver for your model.
there you will see your model number is VT612A, go to via arena site and choose the proper driver for your model.