: Triggering the internal WD diagnostic and repair routines.
For severe physical damage (media scratches or head stiction), "Exclusive" includes a micro-jog routine. This allows the technician to move the head actuator in increments of 1/1000th of a track. This is vital for reading the servo tracks preceding a physically damaged zone. wdr udma v6 full 4 exclusive
: Using WDR commands like "Format Unit" or "Clear G-List" can permanently destroy user data. : Triggering the internal WD diagnostic and repair routines