IBM DTLA-305040 Hard Drive Specifications - Page 97

Operation from POR after User Password is set, When Device Lock Function is enabled

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10.7.4.3 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. POR Device Locked mode Unlock CMD Password Match ? N Y Password Match ? Erase Prepare Erase Unit Password Match ? N Y Media Access Non-media access Command (*1) Command (*1) 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 79. Usual Operation Deskstar 40GV & 75GXP hard disk drive specifications 85

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10.7.4.3
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.
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 79. Usual Operation
Deskstar 40GV & 75GXP hard disk drive specifications
85