Hi,
That service is described here: http://www.intel.com/products/desktop/chipsets/Q57/Q57-overview.htm about halfway down the page. It's not essential, but the most likely fix if you do have additional drives is to reload the sata driver from Intel most appropriate to your chipset.
Best of Luck, Rick Rogers, aka "Nutcase" - Microsoft MVP http://mvp.support.microsoft.com Windows help - www.rickrogers.org