IBM DARA-206000 Hard Drive Specifications - Page 95

Master Password Revision Code, Operation example

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The system manufacturer/dealer who intends to enable the device lock function for the end users, must set the master password even if only single level password protection is required. 10.8.4 Master Password Revision Code This Master Password Revision Code is set by Security Set Password command with the master password. And this revision code field is returned in the Identify Device command word 92. The valid revision codes are 0000h to F F F D h . The default value of Master Password Revision Code is FFFEh. Value F F F F h is reserved. 10.8.5 Operation example 10.8.5.1 Master Password setting The system manufacturer/dealer can set a new Master Password from default Master Password using the Security Set Password command, without enabling the Device Lock Function. 10.8.5.2 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 V Set Password with User Password V Normal operation V Power off POR > Device locked mode Figure 62. Initial Setting ( Ref.) < No setting password > POR V Normal operation V Power off POR > Device unlocked mode General Operation Descriptions 85

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The system manufacturer/dealer who intends to enable the device lock function for the end users, must set
the master password even if only single level password protection is required.
10.8.4
Master Password Revision Code
This Master Password Revision Code is set by Security Set Password command with the master password.
And this revision code field is returned in the Identify Device command word 92. The valid revision codes
are 0000h to FFFDh.
The default value of Master Password Revision Code is FFFEh.
Value FFFFh is
reserved.
10.8.5
Operation example
10.8.5.1
Master Password setting
The system manufacturer/dealer can set a new Master Password from default Master Password using the
Security Set Password command, without enabling the Device Lock Function.
10.8.5.2
User Password setting
When a User Password is set, the device will automatically enter lock mode the next time the device is
powered on.
( Ref.)
< Setting password >
< No setting password >
POR
POR
V
V
Set Password with User Password
Normal operation
V
V
Normal operation
Power off
V
Power off
POR
> Device unlocked mode
POR
> Device locked mode
Figure 62. Initial Setting
General Operation Descriptions
85