Figure 10 Usual Operation - Hitachi HDS721050CLA362 Specifications

9.6.4.3
Operation from POR after User Password is set
When Device Lock Function is enabled, the device rejects media access command until a Security Unlock
command is successfully completed.
Unlock CMD
Password
Match ?
N
Y
Enter Device
Unlock mode
HITACHI Deskstar & CinemaStar 7K1000.B & Deskstar E7K1000 Hard Disk Drive specification
POR
Device Locked mode
Erase Prepare
Erase Unit
Password N
Match ?
Y
Complete
Erase Unit
Lock function
Disable
Normal operation : All commands are available
Freeze Lock command
Enter Device Frozen mode
Normal Operation except Set Password,
Disable Password, Erase Unit, Unlock commands.

Figure 10 Usual Operation

63
Media access Non-Media access
command (*1)
Reject
(*1) Refer to 9.6.5 on the page .65
command (*1)
Complete