Samsung SP0802N - Security Erase Unit (F4 H); Security Freeze Lock (F5 H); Security Set Password (F1 H); Table 6-10 Security Erase Unit Password

SpinPoint P80 Product Manual Rev. 01 69
6.4.22 Security Erase Unit (F4h)
This command transfers 512 bytes of data from the host. Table 6-10 defines the content of this information.
If the password does not match the password previously saved by the device, the device shall reject the
command with command aborted.
Table 6-10 Security Erase Unit password
Word
Content
0 Control word.
Bit 0 Identifier 0= compare User password
1= compare Master password
Bit 1 Erase mode 0= Normal erase
1= Enhanced erase
Bit (15:2) Reserved
1-16
Password (32 bytes)
17-255
Reserved
6.4.23 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:
SECURITY SET PASSWORD
SECURITY UNLOCK
SECURITY DISABLE PASSWORD
SECURITY ERASE PREPARE
SECURITY ERASE UNIT
6.4.24 Security Set Password (F1h)
This command transfers 512 bytes of data from the host. Table 6-11 defines the content of this information.
The data transferred controls the function of this command. Table 6-12 defines the interaction of the
identifier and security level bits.
Table 6-11 Security Set Password data content
Word
Content
0 Control word.
Bit 0 Identifier 0= set User password
1= set Master password
Bit (7:1) Reserved
Bit 8 Security level 0= High
1= Maximum
Bit (15:2) Reserved
1-16
Password (32 bytes)
17
Master Password Revision Code (valid if word 0 bit 0 = 1)
18-255
Reserved