phenom 965,gigabyte ga-78lmt-s2pboard his 6870 keeps overclocking reference clock to 352 and htlink to 3521 multiplier 18 says 6.34 ghz under system and passmark burn in test bios shows 18x multiplier 2000 htlink 200 reference clock am i having some kind of hardware failure motherboard or processor games are real slow when this happens