Re: 680i mobo beepcode error
1 long followed by 2 short usually means some sort of video adapter problem.
Reseat your video card, and make sure any necessary external PCI-E cables are plugged in.
If that doesn't help, try a different video card.
C2D E6600 | 4GB DDR2-800 | 9800GTX+ | Asus P5B-E | 150GB Raptor | 320GB 7200.10 | 750W Xigmatek PSU