I think what you may need to do is to clear the CMOS, push the clear cmos button (second item down on the rear IO plate) then you can set everything up nice and clean in the bios and that should take care of your problems.
Electronic Smoke Signals From my TechnoTeepee
ASUS Crosshair V Formula AM3+ 990FX, 1703 bios
AMD FX 8350 Vishera @ 5162Mhz [21x245] 1.546v 🙂
Water Cooled - Koolance EX2-1055, CPU 370 WB, Idle=22c Load=52c
32Gb G.Skill Sniper ddr3 1600 8G X 4 , 9-9-9-24 @ 1.55v
ASUS HD7970-DC2T-3GD5, Cat 13.5 beta 2, Dell U3011 @ 2560x1600
SanDisk Extreme 120Gb SSD SATA 6Gb, 250Gb SATA 6Gb, 1Tb SATA 6Gb x2
Win 7 Ultimate 64bit, Corsair Obsidian 800D, Corsair HX1000w PSU