Table 53: Usual Operation For Por - Hitachi HTS421212H9AT00 - Travelstar 120 GB Hard Drive Specifications

11.9.4.3 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.

Table 53: Usual operation for POR

Unlock CMD
Password
Match ?
N
Y
Enter Device
Unlock mode
(*1) — refers to the commands in Table 55: "Command table for device lock operation" on page 82.
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.
Travelstar 4K120 Hard Disk Drive Specification
Media Access
Command (*1)
N
Reject
: All commands are available
80
Non-media Access
Command (*1)
Complete