These are the setting I use for a E762 as directed by shammy in this post
http://kingpincooling.com/forum/showthread.php?t=182
some of the bios titles are alittle different. Maybe his post would be a good trail and error before another DICE or Ln2 run.
Since your on a Asus mobo these could be useless........
CPU PLL VCore [ 2.025 ] Here I use around 1.45v------ these are my settings not shammys
IOH PLL VCore [ AUTO ] Here I use around 1.45v------ these are my settings not shammys
DDR Signal 0 [ +0 ]------ -31
DDR Signal 1 [ +0 ]------ -31
DDR Signal 2 [ +0 ]------ -31
CPU Signal [ +0 ]------- -62
QPI cpu [-40]
QPI pci0 [-60]
QPI Signal 1 [ +0 ]
QPI Signal 2 [ +0 ]
QPI pci1 [-31]
QPI pci2 [-31]
Also you memory timings look tight maybe loosen those up for higher clocks