Passwords; Operation Example - Hitachi 7K250 - Deskstar - Hard Drive Specifications

10.8.3 Passwords

This function can have two types of passwords as described below.
Master Password
User Password
The system manufacturer or dealer who intends to enable the device lock function for end users must set the master
password even if only single level password protection is required.

10.8.4 Operation example

10.8.4.1 Master Password setting
The system manufacturer or dealer can set a new Master Password from default Master Password using the Security
Set Password command without enabling the Device Lock Function.
The Master Password REvision Code is set to FFFEh as shipping default by the drive manufacturer.
10.8.4.2 User Password setting
When a User Password is set, the device will automatically enter lock mode the next time the device is powered on.
Set Password with User Password
When the Master Password is set, the device does NOT enable the Device Lock
Function, and the device CANNOT be locked with the Master Password, but the
Master Password can be used for unlocking the locked device.
Identify Device Information word 92 contains the value of the Master Password
Revision Code set when the Master Password was last changed. Valid values are
0001h through FFFEh.
The User Password should be given or changed by a system user. When the User
Password is set, the device enables the Device Lock Function, and the device is
then locked on the next power on reset or hard reset.
< Setting password >
POR
Normal operation
Power off
POR Device locked mode
Figure 14 : Initial setting
Deskstar 7K250 Hard Disk Drive Specification
< No setting password >
POR
Normal operation
Power off
POR
Device unlocked mode
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