That is to say, powering the disk down automatically secures it until such time as a correct password is provided again.Įntering an incorrect password for a drive multiple times will place it into a "frozen" state, after which it'll ignore further ATA security commands until power cycled. So long as the security system is enabled, one or the other of these passwords must be provided each time the drive powers up in order to unlock it and gain access to the storage area. This feature is supported by most PATA/IDE disks, and probably all SATA disks.Įach disk may be locked with a "user" and/or a "master" level password. Even a manufacturer provided low-level formatting tool will be unable to read or alter any of the contents. This is imposed at the drive firmware level, and while actively locked, a HDD/SSD will simply ignore any I/O requests sent to it. ATA security allows disk drives to be placed into a "locked" state.
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