Guys im testing a rig with 6 msi armor 570 8 gb edition, hynix memory, modified the bios, strap 1500 to .... you know the drill, 5 of the 6 cards are working dual mining fine at 30 mh/dcr 750 mh, but 1 card is rogue, the 6th card cant get past 22 mh, no matter what power limit/core/memory i use cant get past 22 mh on eth, any suggestion?