Initial Setting Of The User Password; Security Mode Operation From Power-On Or Hardware Reset - Hitachi DK23CA-10 - 10 GB Hard Drive Specifications

6.3.2.9.2 Initial Setting of the User Password

When a user password is set, the device shall automatically enter lock mode the next time the device is
powered-on or hardware reset.

6.3.2.9.3 Security Mode Operation from Power-on or Hardware Reset

When lock is enabled, the device reject media access commands until a Security Unlock command is
successfully completed.
UNLOCK
No
Password
match?
K6602637
Rev.3
02.27.01
Power-on
Locked mode
ERASE
PREPARE
ERASE
UNIT
Yes
Unit erased
Unlock
mode
Lock function disabled
Normal operation, all
commands are available
FREEZE LOCK
Normal operation,
Frozen mode commands
are available
Media access
Reject
Command
- 72 -
Non-media
access
Execute
Command