Spinpoint
M8 Product Manual REV
2.3
Table 8-8 Security Erase Unit Password
Content
Bit 0 Identifier 0= compare User password
1= compare Master
password
Bit 1 Erase mode 0= Normal erase
1= Enhanced erase
Bit
(15:2)
Reserved
Password (32 bytes)
8.2.25 Security 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 PASSW
ORD
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
Bit 0 Identifier 0= set User password
1= set Master password
Bit (7:1) Reserved
Bit 8 Security level 0= High
1= Maximum
Bit
(15:2)
Reserved
Master Password Revision Code (valid if word 0 bit 0 = 1)
