Security Freeze Lock (F5H); Security Set Password (F1H); Table 8-8 Security Erase Unit Password; Table 8-9 Security Set Password Data Content - Samsung SpinPoint M8 Product Manual

Word
0
1-16
17-255

8.2.25 Security Freeze Lock (F5h)

The SECURITY FREEZE LOCK command shall set the device to frozen mode. After command completion
any other commands that update the device Lock mode shall be command aborted. Frozen mode shall be
disabled by power-off or hardware reset. If SECURITY FREEZE LOCK shall be issued when the device is in
frozen mode, the command executes and the device shall remain in frozen mode.
Commands disabled by SECURITY FREEZE LOCK are as follows:
SECURITY SET PASSWORD
SECURITY UNLOCK
SECURITY DISABLE PASSWORD
SECURITY
SECURITY ERASE UNIT

8.2.26 Security Set Password (F1h)

This command transfers 512 bytes of data from the host. Table defines the content of this information. The
data transferred controls the function of this command. It also defines the interaction of the identifier and
security level bits.
Word
0
1-16
17
18-255
Spinpoint M8 Product Manual REV 2.7

Table 8-8 Security Erase Unit Password

Control word.
Bit 0
password
Bit 1
Bit (15:2) Reserved
Password (32 bytes)
Reserved
ERASE PREPARE

Table 8-9 Security Set Password data content

Control word.
Bit 0
Bit (7:1)
Bit 8
Bit (15:2) Reserved
Password (32 bytes)
Master Password Revision Code (valid if word 0 bit 0 = 1)
Reserved
Content
Identifier 0= compare User password
1= compare Master
Erase mode 0= Normal erase
1= Enhanced erase
Content
Identifier 0= set User password
1= set Master password
Reserved
Security level 0= High
1= Maximum
60