10.9.3 Security mode operation from power-on

In locked mode, the drive rejects media access commands until a SECURITY UNLOCK command is successfully completed.

 

 

Power-on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Locked mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNLOCK

ERASE

Media access

Non-media

 

 

PREPARE

 

access

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Password

ERASE

Reject

 

 

match?

UNIT

Command

Execute

 

 

 

 

 

Command

Yes

Unit erased Unlock

mode

Lock function disabled

Normal operation, all commands are available

FREEZE LOCK

Normal operation, Frozen mode commands are available

Figure 5 Password set security mode power-on flow

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