I have a 1TB Seagate Free Agent Desk drive, which has been used to move data around. Never shown any of these problems. I guess they're different to the 'Pro' type. If it is any use I can try to get those parameters off that one. -- Gllug mailing list - Gllug at gllug.org.uk http://lists.gllug.org.uk/mailman/listinfo/gllug