Hitachi HTS541040G9AT00 Specifications - Page 93
Password, Master Password Revision Code
UPC - 000059826569
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11.10.3 Password This function can have two types of passwords as described below. Master Password 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. 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 the next power on reset or hard reset. 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 11.10.4 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. 11.10.4.1 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. 11.10.4.2 User Password setting When a User Password is set, the device will automatically enter lock mode the next time the device is powered on. Table 49: Initial setting < Setting password > POR Set Password with User Password Normal operation Power off POR Device locked mode < No setting password > POR Normal operation Power off POR Device unlocked mode Travelstar 5K100 Hard Disk Drive Specification 79