IBM DTCA-24090 Hard Drive Specifications - Page 144
Description, Control word, bit 0, Identifier 1, Master, 0, bit 1 15, Reserved, Password, 32 bytes,
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Word 00 01 16 17 255 Description Control word bit 0 : Identifier (1 Master, 0 bit 1 15 : Reserved Password ( 32 bytes ) Reserved User) Figure 88. Security Unlock Information Identifier Zero indicates that device regards Password as User Password. One indicates that device regards Password as Master Password. 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 A F T E R 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. 136 OEM Specifications of DTCA-2xxxx 2.5 inch H D D
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Word
Description
00
Control word
bit 0
: Identifier (1
Master, 0
User)
bit 1 15
: Reserved
01 16
Password
( 32 bytes )
17 255
Reserved
Figure 88. Security Unlock Information
Identifier
Zero indicates that device regards Password as User Password.
One indicates that
device regards Password as Master Password.
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.
136
OEM Specifications of DTCA-2xxxx 2.5 inch HDD