Hitachi HTS541616J9AT00 - Travelstar 160 GB Hard Drive Specifications page 140

host sets Maximum level and the user password is forgotten, only an Security Erase
Prepare/Security Unit command can unlock the device and all data will be lost.
Password The text of the password - all 32 bytes are always significant.
Master Password The Revision Code field is set with Master password. If Identifier is User, the Revision
Code is not set. The Revision Code field is returned in Identify Device word 92. The valid
Revision Code
Revision Codes are 0000h to FFFDh. Default Master Password Revision Code is FFFEh.
FFFFh is reserved.
The setting of the Identifier and Security level bits interact as follows.
Identifier=User / Security level = High
The password supplied with the command will be saved as the new user password. The security mode feature (lock
function) will be enabled from the next power on. The file may then be unlocked by either the user password or the
previously set master password.
Identifier=Master / Security level = High
This combination will set a master password but will NOT enable the security mode feature (lock function).
Identifier=User / Security level = Maximum
The password supplied with the command will be saved as the new user password. The security mode feature (lock
function) will be enabled from the next power on. The file may then be unlocked by only the user password. The
master password previously set is still stored in the file but may NOT be used to unlock the device.
Identifier=Master / Security level = Maximum
This combination will set a master password but will NOT enable the security mode feature (lock function).
Travelstar 5K160 (PATA) Hard Disk Drive Specification
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