Toshiba MK6017MAP - Manual (Page 109)

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10.9 Security Mode Feature Set
The Security mode features allow the host to implement a security password system to prevent
unauthorized access to the disk drive.
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Following Commands are supported for this feature set .
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SECURITY SET PASSWORD
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SECURITY UNLOCK
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SECURITY ERASE PREPARE
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SECURITY ERASE UNIT
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SECURITY FREEZE LOCK
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SECURITY DISABLE PASSWORD
Parameter word for the Security mode feature set is described in IDENTIFY DEVICE response Word 128.
10.9.1 Security mode default setting
The drive is shipped with the master password set to 20h value (ASCII blanks) and the lock function disabled.
The system manufacturer/dealer may set a new master password by using the SECURITY SET PASSWORD
command, without enabling the lock function.
10.9.2 Initial setting of the user password
When a user password is set, the drive automatically enters lock mode by the next powered-on .