Figure 109. Security Unlock Information - IBM IC25N020ATDA04 - Travelstar 20 GB Hard Drive Specifications

Word
00
01-16
17-255

Figure 109. Security Unlock information

Identifier
The user can detect if the attempt to unlock the device has failed due to a mismatched password as this is
the only reason that an abort error will be returned by the file 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 file 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 48GH, 30GN & 15GN hard disk drive specifications
( 32 bytes )
160