had a quick read through, didn't spot anything about LLC (Load Line Calibration)
is the Ring Voltage you refer to what ASUS calls CPU Input Voltage? because that has turned out to be important too.
Great start to a thread by the way
My OC is 4670K with a multiplier of 42, 44 is on its way though, just need to tweak to perfection
p.s. information on the different naming conventions between motherboard manufacturers should be on here imho