Hitachi 100GB 7200 RPM HTE721010G9SA00 Benutzerhandbuch

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Travelstar E7K100 (SATA) Hard Disk Drive Specification
76 
12.2  Device Configuration Overlay (B1h)
Table 43: Device Configuration Overlay Command (B1h)
Individual Device Configuration Overlay feature set commands are identified by the value placed in the Features 
register. The table below shows these Features register values.
Table 44: Device Configuration Overlay Features register values
12.2.1  DEVICE CONFIGURATION RESTORE (subcommand C0h)
The DEVICE CONFIGURATION RESTORE command disables any setting previously made by a DEVICE 
CONFIGURATION SET command and returns the content of the IDENTIFY DEVICE or IDENTIFY PACKET 
DEVICE command response to the original settings as indicated by the data returned from the execution of a 
DEVICE CONFIGURATION IDENTIFY command.
12.2.2  DEVICE CONFIGURATION FREEZE LOCK (subcommand C1h)
The DEVICE CONFIGURATION FREEZE LOCK command prevents accidental modification of the Device Con-
figuration Overlay settings. After successful execution of a DEVICE CONFIGURATION FREEZE LOCK com-
mand, 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 shall be cleared by a power-down. The 
DEVICE CONFIGURATION FREEZE LOCK condition shall not be cleared by hardware or software reset.
Command Block Output Registers
Command Block Input Registers
Register
7 6 5 4 3 2 1 0
Register
7 6 5 4 3 2 1 0
Data
- - - - - - - -
Data
- - - - - - - -
Feature
1 0 1 0 V V V V
Error
see below
Sector Count
- - - - - - - -
Sector Count
V V V V V V V V
LBA Low
- - - - - - - -
LBA Low
- - - - - - - -
LBA Mid
- - - - - - - -
LBA Low
V V V V V V V V
LBA High
- - - - - - - -
LBA High
V V V V V V V V
Device
- - - - - - - -
Device
- - - - - - - -
Command
1 0 1 1 0 0 0 1
Status
see below
Error Register
Status Register
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
CRC
UNC
0
IDN
0
ABT
T0N
AMN
BSY RDY
DF
DSC
DRQ
COR IDX
ERR
0
0
0
0
0
V
0
0
V
V
0
-
V
-
-
V
Value
Command
C0h
DEVICE CONFIGURATION RESTORE
C1h
DEVICE CONFIGURATION FREEZE LOCK
C2h
DEVICE CONFIGURATION IDENTIFY
C3h
DEVICE CONFIGURATION SET
other
Reserved