Hitachi HTS541040G9AT00 Specifications - Page 169

Security Set Password F1h

Page 169 highlights

13.30 Security Set Password (F1h) Table 107: Security Set Password (F1h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature Sector Count LBA Low LBA Mid LBA High Device 1 - 1 D - - - - Command 1 1 1 1 0 0 0 1 76 CRC UNC 00 Error Register 54 3 2 1 0 0 IDN 0 ABT T0N AMN 00 0 V 0 0 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count LBA Low LBA Mid LBA High Device Status see below Status Register 7 654 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0 V0- - 0 - V The Security Set Password command enables the security mode feature (device lock function) and sets the master password or the user password. The security mode feature (device lock function) is enabled by this command and the device is not locked immediately. 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 a transfer of a single sector of data from the host including the information specified in the table below. The data transferred controls the function of this command. Table 108: Security Set Password information Word 00 01-16 17-18 19-255 Description 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 Password (32 bytes) Master Password Revision Code (valid if Word0bit 0 = 1) Reserved 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. Travelstar 5K100 Hard Disk Drive Specification 155

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Travelstar 5K100 Hard Disk Drive Specification
155
13.30
Security Set Password (F1h)
Table 107: Security Set Password (F1h)
The Security Set Password command enables the security mode feature (device lock function) and sets the master
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.
This command requests a transfer of a single sector of data from the host including the information specified in the
table below.
The data transferred controls the function of this command.
Table 108: 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.
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
- - - - - - - -
LBA Low
- - - - - - - -
LBA Low
- - - - - - - -
LBA Mid
- - - - - - - -
LBA Mid
- - - - - - - -
LBA High
- - - - - - - -
LBA High
- - - - - - - -
Device
1 - 1 D - - - -
Device
- - - - - - - -
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)
17-18
Master Password Revision Code (valid if Word0bit 0 = 1)
19-255
Reserved