Try again with 3/22 Feisty Beta 1. There have been many changes in the kernel for ATA support.
** Changed in: linux-source-2.6.20 (Ubuntu) Importance: Undecided => Low Assignee: (unassigned) => Ubuntu Kernel Team Status: Unconfirmed => Confirmed -- [feisty] failure of MATSHITACD-R CW-7502 using ACARD AEC-671X PCI Ultra/W SCSI-2/3 Host Adapter https://launchpad.net/bugs/84018 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs