Fujitsu MHR2010AT, Product Manual

Page: 157 / 250

5.3 Host Commands
C141-E145-02EN 5-83
(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.
At command issuance (I-O register contents)
1F7
h
(CM) 1 1 1 1 0 0 1 1
1F6
h
(DH) x x x 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) 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
(32) SECURITY ERASE UNIT (F4h)
This command erases all user data. This command also invalidates the user
password and releases the lock function.
The host transfers the 512-byte data shown in Table 5.13 to the device. The
device compares the user password or master password in the transferred data
with the user password or master password already set. The device erases user
data, invalidates the user password, and releases the lock function if the
passwords are the same.