Samsung M8 manual Security Freeze Lock F5h, Security Set Password F1h

	Table 8-8 Security Erase Unit Password
Word			Content
0		Control word.
		Bit 0	Identifier 0= compare User password
		password		1= compare Master
		Bit 1	Erase mode	0= Normal erase
		Bit (15:2)Reserved		1= Enhanced erase
1-16		Password (32 bytes)
17-255		Reserved

8.2.25Security 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 ERASE PREPARE

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.

	Table 8-9 Security Set Password data content
Word			Content
0		Control word.
		Bit 0	Identifier 0= set User password
		Bit (7:1)	Reserved	1= set Master password
		Bit 8	Security level	0= High
		Bit (15:2)Reserved		1= Maximum
1-16		Password (32 bytes)
17		Master Password Revision Code (valid if word 0 bit 0 = 1)
18-255		Reserved

Spinpoint M8 Product Manual REV 2.3 61