Hitachi 7K500 Specification Guide
Deskstar 7K500 Hard Disk Drive Serial ATA Addendum
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5.35 Security Set Password (F1h)
Table 77: Security Set Password command (F1h)
The Security Set Password command enables the security mode feature (device lock function) and sets the master
password or the user password.
password or the user password.
The security mode feature (device lock function) is enabled by this command and the device is not locked immedi-
ately. The device is locked after the next power on reset or hard reset. When the MASTER password is set by this
command, the master password is registered internally. The device is NOT locked after next power on reset or hard
reset.
ately. The device is locked after the next power on reset or hard reset. When the MASTER password is set by this
command, the master password is registered internally. The device is NOT locked after next power on reset or hard
reset.
This command requests the transfer of a single sector of data from the host including the information specified in
the table below.
the table below.
The data transferred controls the function of this command.
Table 78: Security Set Password Information
Identifier
Zero indicates that the device should check the supplied password against the user password stored internally. One
indicates that the device should check the given password against the master password stored internally.
Zero indicates that the device should check the supplied password against the user password stored internally. One
indicates that the device should check the given password against the master password stored internally.
Command Block Output Registers
Command Block Input Registers
Register
7 6 5 4 3 2 1 0
Register
7 6 5 4 3 2 1 0
Data
- - - - - - - -
Data
- - - - - - - -
Feature
- - - - - - - -
Error
see below
Sector Count
- - - - - - - -
Sector Count
- - - - - - - -
Sector Number
- - - - - - - -
Sector Number
- - - - - - - -
Cylinder Low
- - - - - - - -
Cylinder Low
- - - - - - - -
Cylinder High
- - - - - - - -
Cylinder High
- - - - - - - -
Device/Head
1 - 1 D - - - -
Device/Head
- - - - - - - -
Command
1 1 1 1 0 0 0 1
Status
see below
Error Register
Status Register
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
CRC
UNC
0
IDN
0
ABT
T0N
AMN
BSY RDY
DF
DSC
DRQ
COR IDX
ERR
0
0
0
0
0
V
0
0
0
V
0
-
-
0
-
V
Word
Description
00
Control Word
bit 0 : Identifier (1-Master, 0-User)
bit 1-7 : Reserved
bit 8 : Security level (1-Maximum, 0-High)
bit 9-15 : Reserved
01-16
Password (32 bytes)
17
Master Password Revision Code (valid if Word 0 bit 0 = 1)
18-255
Reserved