This problem has to do with the JMicron controller on your motherboard. Get the daily ISO on Monday Apr 2 from http://cdimage.ubuntu.com/daily- live/current which will contain lib-ata fixes, boot from the CD and make sure all of your drives appear. If so, then we'll proceed from there.
** Changed in: linux-source-2.6.20 (Ubuntu) Importance: Undecided => Low Assignee: Tim Gardner => Ubuntu Kernel Team -- IDE disks not found https://launchpad.net/bugs/97325 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs