On Mon, Feb 3, 2014 at 11:57 AM, Nathan Dorfman <na at rtfm.net> wrote: > On Sun, Feb 2, 2014 at 5:42 PM, Karl Auer <kauer at biplane.com.au> wrote: > [... hdparm --security-erase ... ] I forgot to say that I recently used it on a 500MB WD SATA1 drive I'd purchased back in 2006, so I'd think it should work on pretty much anything non-ancient.