HITACHI Deskstar & CinemaStar 7K1000.B & Deskstar E7K1000 Hard Disk Drive specification
61
9.6
Security Mode Feature Set
Security Mode Feature Set is a powerful security feature. With a device lock password, a user can prevent
unauthorized access to hard disk device even if the device is removed from the computer.
The following commands are supported for this feature.
Security Set Password
('F1'h)
Security Unlock
('F2'h)
Security Erase Prepare
('F3'h)
Security Erase Unit
('F4'h)
Security Freeze Lock
('F5'h)
Security Disable Password
('F6'h)
9.6.1
Security mode
Following security modes are provided.
Device Locked mode
The device disables media access commands after power on. Media access
commands are enabled by either a security unlock command or a security erase
unit command.
Device Unlocked mode
The device enables all commands. If a password is not set this mode is entered
after power on, otherwise it is entered by a security unlock or a security erase
unit command.
Device Frozen mode
The device enables all commands except those which can update the device
lock function, set/change password. The device enters this mode via a Security
Freeze Lock command. It cannot quit this mode until power off.
9.6.2
Security Level
Following security levels are provided.
High level security
When the device lock function is enabled and the User Password is forgotten the
device can be unlocked via a Master Password.
Maximum level security
When the device lock function is enabled and the User Password is forgotten
then only the Master Password with a Security Erase Unit command can unlock
the device. Then user data is erased.
