IBM DJSA-210 Hard Drive Specifications - Page 98

Operation from POR after user password is set, When Device Lock Function is enabled

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11.8.5.3 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. POR Device Locked mode Unlock CMD Password Match ? N Y Erase Prepare Erase Unit Password Match ? N Y Media Access Non-media access Command (*1) Command (*1) Password Match ? Complete Erase Unit Reject Complete Enter Device Lock function Unlock mode Disable Normal operation : All commands are available Freeze Lock command Enter Device Frozen mode Normal Operation expect Set Password, Disable Password, Erase Unit, Unlock commands. Figure 62. Usual operation Travelstar 32GH/30GT/20GN hard disk drive specifications 84

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11.8.5.3 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.
POR
Device Locked mode
Unlock CMD
Command (*1)
Command (*1)
Password
Erase Unit
Password
Match ?
Reject
Complete
Complete
Erase Unit
Lock function
Disable
Normal operation
:
All commands are available
Freeze Lock command
Enter Device Frozen mode
Normal Operation expect Set Password,
Disable Password, Erase Unit, Unlock commands.
Password
Match
?
Enter Device
Unlock mode
N
Y
N
Y
Erase Prepare
Media Access
Non-media access
Match ?
Figure 62. Usual operation
Travelstar 32GH/30GT/20GN hard disk drive specifications
84