Ok thanks for the update. I'm sure it's something we might have missed and I'd go through the bios with a fine toothcomb just in case it's some odd little setting somewhere. In the meantime I'll keep looking for a solution to this odd issue.
Hi, I've been searching high and low and still not found anything on this odd issue. Have you tried Gigabyte support? Also which Bios did you upgrade to?
Damn I'm so sorry to hear that. I wonder if the board was faulty all along? I bet you could get it replaced by Gigabyte for free so it's worth considering an RMA?