After unlocking the firmware, the HDD can perform all the terminal commands users can read and write modules, access the service area, and perform all factory operations.
SA ABA read and write tool can read and write System LBA directly, it is a valid tool to repair SA area. There is no way to deal with a hard disk with a firmware lock before, but now we finally find a way to unlock the firmware. An MRT firmware write tool is used to write Seagate HDDs firmware, it can repair many breakdowns caused by firmware damaged through write into correct firmware. With other data recovery tools users can not load the module list, read the module, read and write in the service area, or do any factory operations, either. Terminal commands can not be executed, indicating Diagnostic Port LockedĢ. It is not possible to rebuild the translator and can not do any factory operations.ġ. A hard disk with a firmware lock can not perform most of the terminal commands, and can not read the module list with PC3000 or MRT tools. Diagnostic Port Locked is displayed when users try to execute a terminal command, and users will see the prompt to confirm the existence of the firmware lock.įirmware lock is set by Seagate manufacturers in order to prevent refurbished HDDs, which, however, brings obstacles to data recovery.
Writing and modifying commands can not be executed. For HDDs with a firmware lock, users can enter the T level, but can not perform any terminal commands, or can only perform a few commands of viewing information. Some new models of Seagate HDDs, such as DM001, DM003, as well as triangle-board HDDs, have a firmware lock.