Marc - try with the 2.6.20-14 kernel you pulled from me today, or wait until Monday when it shows up in the daily ISO. There are at least 2 other reports involving this same model of motherboard.
-- Installation of Feisty beta cannot detect disk drive on Gigabyte 965G-DS3 https://launchpad.net/bugs/98764 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs