Figure 114. Security Unlock Information - IBM IC25N040ATCS04 - Travelstar 40 GB Hard Drive Specifications

Word
00
01-16
17-255

Figure 114. Security Unlock information

Identifier
The user can detect if the attempt to unlock the device has failed due to a mismatched password since
this is the only reason that an abort error will be returned by the drive AFTER the password information
has been sent to the device. If an abort error is returned by the device BEFORE the password data has
been sent to the drive, then another problem exists.
Description
Control Word
bit 0 : Identifier (1- Master, 0- User)
bit 1-15 : Reserved
Password
Reserved
A zero indicates that the device regards Password as the User Password. A one
indicates that the device regards Password as the Master Password.
Travelstar 60GH & 40GN hard disk drive specifications
( 32 bytes )
156