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12.42 Security Freeze Lock (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 disabled only by Power off or the successful completion of a sanitize operation.
The following commands are rejected when the device is in frozen mode.
- Security Set Password
- Security Unlock
- Security Disable Password
- Security Erase Prepare
- Security Erase Unit
For details, refer to Table 35
Table 197 Security Freeze Lock Command (F5h)
Command Input
Field
Description
FEATURE
N/A
COUNT
N/A
LBA
N/A
Bit Description
DEVICE
7 Obsolete
6 N/A
5 Obsolete
4 Transport Dependent
3:0 Reserved
Command
7:0 F5h
Normal Outputs
See Normal Outputs in Section 12.7 Flush Cache (E7h)
Error Outputs
See Error Outputs in Section 12.12 Idle (E3h / 97h)
271
Hard Disk Drive Specification