On Fri, 2008-03-07 at 17:33 -0500, David VanHorn wrote: > Don't a lot of them have write protect locks? Unfortunately I'm not dealing with a real drive, but I would be interested in what such a switch exactly does? How does the OS get told the drive is read only? Thanks, TTYL -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist