Fujitsu MHW2040AC, MHW2060AC manual Contents of Security SET Password data

5.3 Host Commands

(29) SECURITY SET PASSWORD (X’F1’)

This command enables a user password or master password to be set.

The host transfers the 512-byte data shown in Table 5.24 to the device. The device determines the operation of the lock function according to the specifications of the Identifier bit and Security level bit in the transferred data. (Table 5.25)

Issuing this command in LOCKED MODE or FROZEN MODE returns the Aborted Command error.

Table 5.24 Contents of SECURITY SET PASSWORD data

Word		Contents
0	Control word
	Bit 0 Identifier
	0	= Sets a user password.
	1	= Sets a master password.
	Bits 1 to 7 Reserved
	Bit 8 Security level
	0	= High
	1	= Maximum
	Bits 9 to 15 Reserved
1 to 16	Password (32 bytes)
17	Master password version number
	(Valid is Bit 0=1)
18 to 255	Reserved

Table 5.25 Relationship between combination of Identifier and Security level, and operation of the lock function

Identifier	Level	Description
User	High	The specified password is saved as a new user password.
		The lock function is enabled after the device is turned off
		and then on. LOCKED MODE can be canceled using the
		user password or the master password already set.
User	Maximum	The specified password is saved as a new user password.
		The lock function is enabled after the device is turned off
		and then on. LOCKED MODE can be canceled using the
		user password only. The master password already set
		cannot cancel LOCKED MODE.
Master	High or	The specified password is saved as a new master password.
	Maximum	The lock function is not enabled.

C141-E258 5-93