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3.2.5 Drive-Security commands
The drive-security commands provide a password-based security sys-
tem to prevent unauthorized access to a disc drive.
During manufacturing, the master password, SEAGATE, is set for the
drive, and the lock function is disabled. The system manufacturer or
dealer may set a new master password using the Security Set Password
command (F1
H
), without enabling the lock function. Before a user
password is entered, the drive rejects all security commands except
Security Set Password.
When the user sets a password, the drive automatically enters lock mode
(lock mode is enabled) the next time it is powered on. When lock mode is
enabled, the drive rejects all media-access commands until the user enters
the correct user password, completing a Security Unlock command.
The drive supports two levels of security: high security and maximum
security. In high-security mode, if you forget your password, you can still
access the data by entering the master password. In maximum-security
mode, if you forget your password, you cannot access the data. However,
in maximum-security mode, you can erase all data on the drive and
reinitialize the drive using the Erase Unit command (F4
H
). You must enter
the master password to complete an Erase Unit command.
The Freeze Lock command (F5
H
) prevents you from changing security
features. If, during normal drive operation, the Freeze Lock command is
executed, all normal drive commands are implemented, but the security
commands Disable Password, Erase Unit, Set Password and Unlock
cannot be completed.
See the ATA-3 specification (Document X3T10/2008D) for additional
details about the Drive Security Commands.
Marathon 2250 and Marathon 1680 Product Manual 35