Would this have something to do with this bug? If so, then it seems to be more of a feature than a bug.
https://wiki.ubuntu.com/LibAtaForAtaDisks -- Edgy Install from Desktop CD - Wrong HD Type https://launchpad.net/bugs/58601 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs