Security Disable Password (F6H); Table 84: Security Disable Password (F6H); Table 85: Password Information For Security Disable Password Command - Hitachi HTS541010G9AT00 - Travelstar 100 GB Hard Drive Specifications

12.26 Security Disable Password (F6h)

Table 84: Security Disable Password (F6h)

Command Block Output Registers
Register
Data
Feature
Sector Count
LBA Low
LBA Mid
LBA High
Device
Command
7 6 5
CRC UNC 0
0 0 0
The Security Disable Password command disables the security mode feature (device lock function).
The Security Disable Password command requests a transfer of a single sector of data from the host including
information specified in the table below. The device then checks the transferred password. If the User Password or
Master Password matches the given password, the device disables the security mode feature (device lock function).
This command does not change the Master Password which may be reactivated later by setting User Password.
This command should be executed in device unlock mode.

Table 85: Password Information for Security Disable Password command

Word
00 Control word
bit 0
bits 1-15
01-16 Password
17- 255 Reserved
The device will compare the password sent from this host with that specified in the control word.
Identifier
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
1 - 1 - - - - -
1 1 1 1 0 1 1 0
Error Register
4 3 2 1
IDN 0 ABT T0N AMN
0 0 V 0
Description
: Identifier (1-Master, 0- User)
: Reserved
(32 bytes)
Zero indicates that the device should check the supplied password against the user pass-
word stored internally. One indicates that the device should check the given password
against the master password stored internally.
Travelstar 5K100 (Serial ATA) Hard Disk Drive Specification
Command Block Input Registers
Register
Data
Error
Sector Count
LBA Low
LBA Mid
LBA High
Device
Status
0 7 6
BSY RDY DF DSC DRQ
0 0 V
128
7 6 5 4 3 2 1 0
- - - - - - - -
see below
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
see below
Status Register
5 4 3 2
COR IDX
0 V - 0
1 0
ERR
- V