Hitachi 100GB 7200 RPM HTE721010G9SA00 ユーザーズマニュアル
製品コード
HTE721010G9SA00
Travelstar E7K100 (SATA) Hard Disk Drive Specification
130
12.29 Security Erase Unit (F4h)
Table 88: Security Erase Unit (F4h)
The Security Erase Unit command initializes all user data sectors and then disables the device lock function.
Note that the Security Erase Unit command initializes from LBA 0 to Native MAX LBA. The Host MAX LBA is
set by the Initialize Drive Parameter or the Set MAX ADDRESS command is ignored. The protected area by the
Set MAX ADDRESS command is also initialized.
set by the Initialize Drive Parameter or the Set MAX ADDRESS command is ignored. The protected area by the
Set MAX ADDRESS command is also initialized.
This command requests the transfer of a single sector of data from the host including information specified in the
table below.
table below.
If the password does not match, the device rejects the command with an Aborted error.
Table 89: Erase Unit information
Identifier
Zero indicates that the device should check the supplied password against the user password stored
internally. One indicates that the device should check the given password against the master pass-
word stored internally.
internally. One indicates that the device should check the given password against the master pass-
word stored internally.
The Security Erase Unit command erases all user data and disables the security mode feature (device lock func-
tion). After completing of this command, all the user data will be initialized to zero with a write operation. At this
time, the data write is not verified with a read operation to determine if the data sector is initialized correctly. At
this time the defective sector information and the reassigned sector information for the device are not updated. The
security erase prepare command should be completed immediately prior to the Security Erase Unit command. If
the device receives a Security Erase Unit command without a prior Security Erase Prepare command, the device
aborts the security erase unit command.
tion). After completing of this command, all the user data will be initialized to zero with a write operation. At this
time, the data write is not verified with a read operation to determine if the data sector is initialized correctly. At
this time the defective sector information and the reassigned sector information for the device are not updated. The
security erase prepare command should be completed immediately prior to the Security Erase Unit command. If
the device receives a Security Erase Unit command without a prior Security Erase Prepare command, the device
aborts the security erase unit command.
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
- - - - - - - -
Error
see below
Sector Count
- - - - - - - -
Sector Count
- - - - - - - -
LBA Low
- - - - - - - -
LBA Low
- - - - - - - -
LBA Mid
- - - - - - - -
LBA Mid
- - - - - - - -
LBA High
- - - - - - - -
LBA High
- - - - - - - -
Device
- - - - - - - -
Device
- - - - - - - -
Command
1 1 1 1 0 1 0 0
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
V
0
V
0
0
0
V
0
V
-
0
-
V
Word
Description
00
Control Word
bit 0 : Identifier (1- Master, 0- User)
bit 1-15 : Reserved
01-16
Password (32 bytes)
17-255
Reserved