I have no idea, does the Open Firmware password not work to lock down the OS from being erased? What has been your experience, cause I was thinking of locking mine down since my entire financial life is on it. . . TIA On Apr 24, 2004, at 1:09 PM, Robert Nicholson wrote: > Well we all know how reliable that is. > > On Apr 23, 2004, at 3:06 PM, John Mistretta wrote: > >> I looked into it at one time and it explained that ComputerGuardian's >> uses Apple's Open Firmware password to effectively lock out anyone >> trying to reformat the drive.