Travelstar 80GN Hard Disk Drive Specification
79
11.9.3 Password
This function can have two types of passwords as described below.
The system manufacturer or dealer who intends to enable the device lock function for end users must set the master
password even if only single level password protection is required. Otherwise, the default master password which
is set by Hitachi Global Storage Technologies can unlock a device that is locked with a user password
11.9.4 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 0001h to
FFFEh. The default value of Master Password Revision Code is FFFEh. Values 0000h and FFFFh are reserved.
11.9.4.1 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.
11.9.4.2 User Password setting
When a User Password is set, the device will automatically enter lock mode the next time the device is powered on.
Table 50: Initial setting
Master Password
When the Master Password is set, the device does NOT enable the Device Lock
Function, and the device CANNOT be locked with the Master Password, but the
Master Password can be used for unlocking the locked device.
User Password
The User Password should be given or changed by a system user. When the User
Password is set, the device enables the Device Lock Function, and then the
device is locked on the next power on reset or hard reset.
< 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
Summary of Contents for IC25N020ATMR04
Page 4: ......
Page 14: ......
Page 20: ...Travelstar 80GN Hard Disk Drive Specification 10 ...
Page 21: ...Travelstar 80GN Hard Disk Drive Specification 11 Part 1 Functional specification ...
Page 22: ...Travelstar 80GN Hard Disk Drive Specification 12 ...
Page 24: ...Travelstar 80GN Hard Disk Drive Specification 14 ...
Page 34: ...Travelstar 80GN Hard Disk Drive Specification 24 ...
Page 48: ...Travelstar 80GN Hard Disk Drive Specification 38 ...
Page 67: ...Travelstar 80GN Hard Disk Drive Specification 57 Part 2 Interface specification ...
Page 68: ...Travelstar 80GN Hard Disk Drive Specification 58 ...
Page 70: ...Travelstar 80GN Hard Disk Drive Specification 60 ...
Page 72: ...Travelstar 80GN Hard Disk Drive Specification 62 September 19 2003 10 28 am ...
Page 100: ...Travelstar 80GN Hard Disk Drive Specification 90 ...
Page 106: ...Travelstar 80GN Hard Disk Drive Specification page 96 ...
Page 131: ...Travelstar 80GN Hard Disk Drive Specification 121 ...
Page 202: ...Travelstar 80GN Hard Disk Drive Specification 192 ...
Page 209: ...Travelstar 80GN Hard Disk Drive Specification 199 ...
Page 210: ...Travelstar 80GN Hard Disk Drive Specification 200 ...