The locked state of the Advanced Memory Protection board or
cartridge.
The following status values are supported:
other(1)
The value is unsupported or could not be determined. If the
system does not support hot plugging of the board or
cartridge, then this value will be returned.
unlocked(2)
The board or cartridge is currently unlocked and may be
removed.
locked(3)
The board or cartridge is currently locked and may not be
removed.