If it's listed as a necessary driver on your motherboard's driver page, it's probably a good idea, otherwise, probably not. What is your motherboard model number? It should be printed on the motherboard, or you might be able to find it using the following:
http://www.tomshardware.com/faq/id-2299418/obtain-basic-advanced-system-information.html
Alternatively, if it's a prebuilt system, what is that model number?