Security Mode Feature Set; Security Level - Hitachi 7K250 - Deskstar - Hard Drive Specifications
3.5 inch ultra ata/100 hard disk drive
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10.8 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 a device even if it is removed from the computer.
New commands are supported for this feature as listed below:
Security Set Password
Security Unlock
Security Erase Prepare
Security Erase Unit
Security Freeze Lock
Security Disable Password
10.8.1 Security mode
The following security modes are provided:
Device Locked
Mode
Device Unlocked
Mode
Device Frozen Mode
10.8.2 Security level
The following security levels are provided:
High level security
Maximum level
security
('F1'h)
('F2'h)
('F3'h)
('F4'h)
('F5'h)
('F6'h)
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.
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.
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.
When the device lock function is enabled and the User Password is forgotten, the
device can be unlocked via a Master Password.
When the device lock function is enabled and the User Password is forgotten,
only the Master Password with a Security Erase Unit command can unlock the
device. User data is then erased.
Deskstar 7K250 Hard Disk Drive Specification
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