Device Configuration Freeze Lock [B1H, Sub 01H]; Device Configuration Restore [B1H, Sub 00H] - Hitachi C4K60 - Travelstar Slim - Hard Drive Specifications

7.5.3. Device Configuration Freeze Lock [B1h, Sub 01h]

Task File Register
Command
LBA High
LBA Mid
LBA Low
Device/Head
Sector Count
Features
The DEVICE CONFIGURATION FREEZE LOCK command prevents accidental modification of the Device
Configuration Overlay settings. After successful execution of a DEVICE CONFIGURATION FREEZE LOCK
command, all DEVICE CONFIGURATION SET, DEVICE CONFIGURATION FREEZE LOCK, DEVICE
CONFIGURATION IDENTIFY, and DEVICE CONFIGURATION RESTORE commands are aborted by the
device. The DEVICE CONFIGURATION FREEZE LOCK condition is cleared by a power-down. The DEVICE
CONFIGURATION FREEZE LOCK condition is not cleared by hardware or software reset.
If the device has executed a previous DEVICE CONFIGURATION FREEZE LOCK command since power-
up, the device returns command aborted.

7.5.4. Device Configuration Restore [B1h, Sub 00h]

Task File Register
Command
LBA High
LBA Mid
LBA Low
Device/Head
Sector Count
Features
The DEVICE CONFIGURATION RESTORE command disables any setting previously made by a DEVICE
CONFIGURATION SET command and returns the content of the IDENTIFY DEVICE command response to
the original settings as indicated by the data returned from the execution of a DEVICE CONFIGURATION
IDENTIFY command.
If DEVICE CONFIGURATION FREEZE LOCK is set or if a host protected area has been set by a SET MAX
ADDRESS command or a SET MAX ADDRESS EXT command, the device returns command aborted.
K6610170
Rev.2
Dec 22, 2004
7 6 5
X X X DRV
7 6 5
X X X DRV
4 3 2
B1h
XX
XX
XX
X X
XX
01h
4 3 2
B1h
XX
XX
XX
X X
XX
00h
- 57 -
1 0
X X
1 0
X X