Trying to boot off of USB sticks on this motherboard works, but not in the way you might think. I actually thought it was impossible for years. It’s actually under Hard Drives (??) and works if you select it from there.
680i SLI Motherboard USB Booting
29 November 2011
Die Gefrorene Bibliothek 
Comments on: "680i SLI Motherboard USB Booting" (2)
THANK YOU!!!!!!!!!!
You’re very welcome. 🙂