FUJITSU Disk Drives MHJ2181AT - Manual (Page 143)

Interface
5-70 C141-E088-01EN
Table 5.12 Contents of security password
Word Contents
0 Control word
Bit 0: Identifier
0 = Compares the user passwords.
1 = Compares the master passwords.
Bits 1 to 15: Reserved
1 to 16 Password (32 bytes)
17 to 255 Reserved
At command issuance (I-O register contents))
1F7
h
(CM) 1 1 1 1 0 1 1 0
1F6
h
(DH)
Ч Ч Ч
DV xx
1F5
h
(CH)
1F4
h
(CL)
1F3
h
(SN)
1F2
h
(SC)
1F1
h
(FR)
xx
xx
xx
xx
xx
At command completion (I-O register contents)
1F7
h
(ST) Status information
1F6
h
(DH)
Ч Ч Ч
DV xx
1F5
h
(CH)
1F4
h
(CL)
1F3
h
(SN)
1F2
h
(SC)
1F1
h
(ER)
xx
xx
xx
xx
Error information
(31) SECURITY ERASE PREPARE (F3h)
The SECURITY ERASE UNIT command feature is enabled by issuing the
SECURITY ERASE PREPARE command and then the SECURITY ERASE
UNIT command. The SECURITY ERASE PREPARE command prevents data
from being erased unnecessarily by the SECURITY ERASE UNIT command.
Issuing this command during FROZEN MODE returns the Aborted Command
error.