Dear 680i Users,
Some users have reported they are encountering obstacles in over-clocking Intel Quad Core CPUs in excess of 1300MHz FSB on the EVGA nForce 680i SLI platform.
If you have an Intel Quad Core CPU and are experiencing this issue, EVGA will swap your original unit for a motherboard that improves your Intel Quad Core over-clocking.
U.S. - EVGA advanced RMA service will replace the board
Canada - EVGA will replace the board in a normal RMA process
Europe - EVGA will replace the board in a normal RMA process
If you are interested in receiving a replacement, please be sure your product is registered on our site at http://evga.com/register/. After registering, please visit http://evga.com/support/680i_fsb.asp and enter your serial number and stay tuned for an update on when to RMA your board in early March via email.
Note: This offer is only applicable for the Intel Quad Core issue listed above.
EVGA Management Team
Source:680i Quad Core Update