Fujitsu MHS2020AT, Product Manual

Page: 162 / 254

Interface
5-86 C141-E171-03EN
1F3
h
(SN)
1F2
h
(SC)
1F1
h
(FR)
xx
xx
xx
At command completion (I-O register contents)
1F7
h
(ST) Status information
1F6
h
(DH) x x x DV xx
1F5
h
(CH)
1F4
h
(CL)
1F3
h
(SN)
1F2
h
(SC)
1F1
h
(ER)
xx
xx
xx
xx
Error information
(34) SECURITY SET PASSWORD (F1h)
This command enables a user password or master password to be set.
The host transfers the 512-byte data shown in Table 5.14 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 5.15)
Issuing this command in LOCKED MODE or FROZEN MODE returns the
Aborted Command error.
Table 5.14 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
18 to 255 Reserved