Hitachi HDS725050KLA360 Specifications - Page 97
Security Mode Feature Set
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10.7 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 ('F1'h) ('F2'h) ('F3'h) ('F4'h) ('F5'h) ('F6'h) 10.7.1 Security mode The following security modes are provided: Device Locked Mode Device Unlocked Mode Device Frozen 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. 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. 10.7.2 Security level The following security levels are provided: High level security Maximum level security 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 7K500 and Deskstar E7K500 Hard Disk Drive Specification 83
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