Hitachi HTS542525K9SA00 Specifications - Page 223
stored internally within the device and may be reactivated later when a new user password is set. If
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At this time the defective sector information and the reassigned sector information for the device are not updated. The security erase prepare command should be completed immediately prior to the Security Erase Unit command. If the device receives a Security Erase Unit command without a prior Security Erase Prepare command the device aborts the security erase unit command. This command disables the security mode feature (device lock function), however, the master password is still stored internally within the device and may be reactivated later when a new user password is set. If you execute this command when disabling the security mode feature (device lock function), the password sent by the host is NOT compared with either the Master Password or the User Password. The device then erases all user data. The execution time of this command is set in word 89 of Table 84, "Identify device information," on page 154. Deskstar 7K160 Hard Disk Drive Specification 209