Hitachi DK23FB-60 Owners Manual - Page 78
Security Freeze Lock [F5h], 3.2.9.10 Security Disable Password [F6h]
UPC - 706569123807
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6.3.2.9.9 Security Freeze Lock [F5h] The Security Freeze Lock command sets the device to frozen mode. After this command is completed any other commands which update the device lock functions are rejected. Frozen mode is quit by power off or hardware reset. If Security Freeze Lock is issued when the device is in frozen mode, the command executes and the device remains in frozen mode. Device returns Aborted command if the device is in Locked Mode. Commands disabled by Security Freeze Lock are: − Security Set Password − Security Unlock − Security Disable Password − Security Erase Unit 6.3.2.9.10 Security Disable Password [F6h] The Security Disable Password command requests a transfer of a single sector of data from the host. The following table defines the content of this sector of information. Then the device checks the transferred password. If the User password or the Master password match, the device disables the lock function. This command does not change the Master password that may be reactivated later by setting a User password. Word 0 Control Word Bit 15-1Reserved Bit 0 Identifier 1-16 Password(32bytes) 17-255 Reserved Contents 0 = Compare user password 1 = Compare master password Device shall be in Unlocked Mode. Device returns Aborted command error if command is not supported, the device is in Locked mode, or the device is in Frozen mode. K6610007 Rev.5 02.14.'03 - 78 -