Mary: My approach would be to do a low-level format (zero all data) twice. If you have something like TechTool Pro or Norton Utilities you can do it from within the program. Just my $.02. Gary > From: "Mary Jo"<gecina at earthlink.net> > Date: 2003/01/09 Thu AM 11:10:58 EST > To: "iBook List" <ibook at lists.themacintoshguy.com> > Subject: [P1] Disk Wipe -- How To > > I plan to eliminate an old LaCie back-up drive which I have been using with my > 7300 PPC. First I should wipe all my files. How best to do that? Thanks for > your help. > Mary Jo