IBM IC25N040ATCS04 - Travelstar 40 GB Hard Drive - 11.9.4 Master Password Revision Code; 11.9.5 Operation Example; 11.9.5.1 Master Password Setting; 11.9.5.2 User Password Setting

11.9.4 Master Password Revision Code
This Master Password Revision Code is set by Security Set Password command with the master pass-
word. And this revision code field is returned in the Identify Device command word 92. The valid revision
codes are 0001h to FFFEh. The default value of Master Password Revision Code is FFFEh. Values 0000h
and FFFFh are reserved.
11.9.5 Operation example
11.9.5.1 Master Password setting
The system manufacturer or dealer can set an initial Master Password using the Security Set Password
command, without enabling the Device Lock Function.
11.9.5.2 User Password setting
When a User Password is set, the device will automatically enter lock mode the next time the device is
powered on.
< Setting password >
POR
Set Password with User Password
Normal operation
Power off
Device locked mode
POR
< No setting password >
POR
Normal operation
Power off
Device unlocked mode
POR
Figure 63. Initial setting
Travelstar 60GH & 40GN hard disk drive specifications
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