Hello staff .
i would like to get knowledge about resolving of this problem . i have staff of hdd it's seagate u6,u5 diffrant sizes 20,40 gb all read high level of locked by master password and unfortunatly i coudn't have pc3k to resolve this problems ,i wish it there is idea bout how to repair or read the password or unlock by other software it can be great Help , i know here is the best staff of Hdd solutions and wish i can get responding to this subject ,with best regards to all staff of this forum.

Drives are locked with User password, not Master password.
You can use Master password to reset User password. Master password for Seagates by default is Seagate+25 spaces. Should work.

actualy i coudn't get complete knowledge about terminal cuz i know how to make pcb but which software support and staff like this ,i coudn't know but if u have useful information u accept to give it to me , it's my pleasure . also iam looking for outher solutions if this avaliable cuz i try to find goot support to ata tools but i didn't understand how they success to unlock even " master password " i wish to find good topic about this problem cuz it's seems to be famous .
my regards