Security Set Password (F1H); Figure 92 Security Set Password Command (F1H); Figure 93 Security Set Password Information - Hitachi HTS541616J9AT00 - Travelstar 160 GB Hard Drive Specifications

2.5 inch ata/ide hard disk drive
Hide thumbs Also See for HTS541616J9AT00 - Travelstar 160 GB Hard Drive:
Table of Contents

Advertisement

14.30 Security Set Password (F1h)

Command Block Output Registers
Register
Data
Feature
Sector Count
LBA Low
LBA Mid
LBA High
Device
Command
Error Register
7
6
5
4
CRC UNC
0
IDN
0
0
0
0

Figure 92 Security Set Password Command (F1h)

The Security Set Password command enables 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 next power on reset or hard reset. When the MASTER password is set by
this command, the master password is registered internally, but 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
following figure.
The data transferred controls the function of this command.
Word
Description
00
Control word
bit 0
bit 1-7
bit 8
bit 1-15
01-16
Password (32 bytes)
17-18
Master Password Revision Code
(valid if Word 0 bit 0 = 1)
19-255
Reserved

Figure 93 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.
Security Level
Zero indicates High level, one indicates Maximum level. If the host sets High level and the
password is forgotten, then the Master Password can be used to unlock the device. If the
Travelstar 5K160 (PATA) Hard Disk Drive Specification
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - D - - - -
1 1 1 1 0 0 0 1
3
2
1
0
0
ABT T0N
AM
N
0
V
0
0
: Identifier (1-Mater, 0-User)
: Reserved
: Security level (1-Maximum, 0-High)
: Reserved
139 / 188
Command Block Input Registers
Register
Data
Error
Sector Count
LBA Low
LBA Mid
LBA High
Device
Status
Status Register
7
6
5
4
BSY RDY
DF
DSC DRQ COR IDX ERR
0
V
0
-
7 6 5 4 3 2 1 0
- - - - - - - -
...See Below...
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
...See Below...
3
2
1
0
-
0
-
V

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents