Hitachi 100GB 7200 RPM HTE721010G9SA00 Benutzerhandbuch

Produktcode
HTE721010G9SA00
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Travelstar E7K100 (Serial ATA) Hard Disk Drive Specification
54
10.9.1  Security mode
The following security modes are provided:
10.9.2  Security level
The following security levels are provided:
10.9.3  Password
This function can have two types of passwords as described below.
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. Otherwise, the default master password which 
is set by Hitachi Global Storage Technologies can unlock a device that is locked with a user password
10.9.4  Master Password Revision Code
This Master Password Revision Code is set by Security Set Password command with the master password. And this 
revision code field is returned in the Identify Device command word 92. The valid revision codes are 0001h to 
FFFEh. The default value of Master Password Revision Code is FFFEh. Values 0000h and FFFFh are reserved.
10.9.4.1  Master Password setting
The system manufacturer or dealer can set an initial Master Password using the Security Set Password command, 
without enabling the Device Lock Function.
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.
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 the user data is erased.
Master 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.
User Password
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 then the 
device is locked on next power on reset. If Software Setting Preservation is 
disabled, the device is locked on COMRESET as well.