Some SBP-2 chips can be fixed by firmware upload. For some PL-3507 variants: http://www.prolific.com.tw/eng/downloads.asp?ID=44 (Windows required)
For INIC-1430: http://www.initio.com/support/1430/1430support.htm (Windows or OS X required) -- Firewire connection not being correctly mounted in 6.06 https://launchpad.net/bugs/53746 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs