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12.34 Security Freeze Lock (F5h)
Table 111: Security Freeze Lock command (F5h)
Command Block Output Registers
Register
Data
Feature
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Command
7
6
5
CRC UNC
0
0
0
0
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 a Power off.
The following commands are rejected when the device is in frozen mode:
• Security Set Password
• Security Unlock
• Security Disable Password
• Security Erase Unit
Refer to Table 58: "Command table for device lock operation" on page 92.
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
1 - 1 D - - - -
1 1 1 1 0 1 0 1
Error Register
4
3
2
1
IDN
0
ABT T0N AMN
0
0
V
0
Deskstar T7K250 Hard Disk Drive Specification
Command Block Input Registers
Register
Data
Error
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Status
0
7
6
BSY RDY DF DSC DRQ
0
0
V
182
7 6 5 4 3 2 1 0
- - - - - - - -
see below
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
see below
Status Register
5
4
3
2
COR IDX
0
-
-
0
1
0
ERR
-
V
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