I haven't attempted a local install via ISO to USB with mine yet. Mine are remote in a datacenter. Probably be a week or so before I'm back there to test it.So it looks like i solved the issue with the c2100s, however i still cannot get a c1100 to boot 6.0 with vt-d for the life of me. I have tried 3 different C1100/CS24-ty boards and am still getting the same PSOD. I would be really interested to know the part # of the board you have working with vt-d RyC!