Hitachi 7K250 - Deskstar - Hard Drive Specifications page 98

10.8.4.3 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
(*1) — refer to the commands in Figure 10.8.5, "Command table" on page 86.
POR
Device Locked mode
Erase Prepare
Erase Unit
Password
Match ?
Y
Complete
Erase Unit
Lock function
Disable
Normal operation
Freeze Lock command
Enter Device Frozen mode
Normal Operation expect Set Password,
Disable Password, Erase Unit, Unlock commands.
Figure 15 : Usual operation for POR
Deskstar 7K250 Hard Disk Drive Specification
Media Access
Command (*1)
N
Reject
: All commands are available
84
Non-media Access
Command (*1)
Complete