That sounds like built into your Motherboard. If you are on XP you can go to System Information at Programs >Accessories
Mark down these items .You can also post them in your Profile here ,Just click on your name above.This will make it easier and quicker to get help here.
You probabley need to go to the Web site of your Mb manufacturer and download driver/software for your Sound, but you need to know the proper model and number.