Ok it looks like you actually have an Asus mobo with an Intel chipset Michelle
So you need the drivers from here :
http://support.asus.com/download/download.aspx?SLanguage=en-usIgnore the first in the list but you need the second (part 1 ), the second (part 2) and the third (part 3).
Download all 3 zip files and extract them all into one folder then run CMI.part1.exe from that folder.
Make sure that you create a restore point for system restore before you install the drivers, in case it messes anything up, although I doubt it would cause any problems and if it did you could probably use the roll back feature for the drivers of the particular device that was having problems
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Edited to add it wont go direct to the page I found
From the above link select Motherboard, then Socket 775 then PG5DC-V Deluxe then click on Search, then click on Drivers from the tabs at the top and that should take you to the page where you can follow my previous instructions
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