Filter
Top Products
7K200 SATA OEM Specification
123/173
14.26 Security Disable Password (F6h)
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 - - - - - - - - Device - - - - - - - -
Command 1 1 1 1 0 1 1 0 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 AM
N
BSY RDY DF DSC DRQ COR IDX ERR
0 0 0 0 0 V 0 0 0 V 0 V - 0 0 V
Table 92 Security Disable Password Command (F6h)
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 following table. Then the device 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 re-activated later by setting User Password. This command should be
executed in device unlock mode.
Word Description
00 Control word
bit 0 : Identifier (1-Mater, 0-User)
bit 1-15 : Reserved
01-16 Password (32 bytes)
17-255 Reserved
Table 93 Password Information for Security Disable Password command
The device will compare the password sent from this host with that specified in the control word.
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.