VCCIO is supposed to be 0.5v lower than your DRAM voltage (think I posted it in this thread a page or 2 back or another thread)!

DRAM @ 1.6v would have VCCIO @ 1.10v.

You will see Asus turns the fonts yellow to warn 1 notch above DRAM @ 1.65v and therefore VCCIO @ 1.15v!