I went into the BIOS and under the VGA display there are only a couple options, changing any of those doesn't matter. If I put the 7600GT card(s) in, I get DVI output and the MB detects the PEG Neg Width as X16, if I put the 740 or 1050 in, I get no output whatsoever and plug the VGA into the built in port, I see the BIOS and the PEG Neg Width is blank. I tried a GT 730 card, same result. I know the 730 isn't supported by IT/GT, but just to test the PCIE in BIOS, I thought I would give it a shot. So that tells me the MB/BIOS isn't seeing the cards at all. I wonder if there is a BIOS upgrade that might fix this, I know from past experiences it can make a difference, the only issue is finding a newer BIOS for that old MB and not knowing if it will make a difference.