Security Erase Unit (F4H); Security Freeze Lock (F5H); Security Set Password (F1H); Table 6-10 Security Erase Unit Password - Samsung SP0401N Product Manual

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.
Word
1-16
17-255

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.
Word
1-16
17
18-255
SpinPoint P80 Product Manual Rev. 01

Table 6-10 Security Erase Unit password

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

Table 6-11 Security Set Password data content

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