HITACHI Deskstar & CinemaStar 7K1000.B & Deskstar E7K1000 Hard Disk Drive specification 
184 
11.33   Security Freeze Lock (F5h) 
 
Command Block Output Registers 
Command Block Input Registers 
   
Table 133    Security Freeze Lock Command (F5h) 
 
The Security Freeze Lock Command allows the device to enter frozen mode immediately. 
After this command is completed, the command which updates Security Mode Feature (Device Lock Function) is 
rejected. 
Frozen mode is quit only by Power off. 
The following commands are rejected when the device is in frozen mode. For detail, refer to Table 38 and Table 
39 on the page 6566. 
    Security Set Password 
    Security Unlock 
    Security Disable Password 
    Security Erase Unit