Security Set Password (F1H); Table 98 Security Set Password Command (F1H); Table 99 Security Set Password Information - Hitachi HTS542516K9SA00 Specifications

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

Table 98 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 COMRESET with Software Setting
Preservation disabled or power on 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.
This command requests a transfer of a single sector of data from the host including the information
specified in the following table.
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

Table 99 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.
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
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
Page 126 of 171
5K250 (SATA) OEM Specification
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 0 V