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10.33 Security Erase Unit (F4h)
Command Block Output Registers
Register
7
Data
-
Feature
-
Sector Count
-
Sector Number
-
Cylinder Low
-
Cylinder High
-
Device/Head
1
Command
1
Error Register
7
6
5
CRC UNC
0
IDN
0
0
0
Table 143 Security Erase Unit Command (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. Host MAX LBA set by
Initialize Drive Parameter, Device Configuration Overlay, or Set MAX Address command is ignored. So the
protected area by Set MAX Address command is also initialized.
This command requests to transfer a single sector data from the host including information specified in Table
143 on page 193.
HITACHI Deskstar & CinemaStar P7K500 Hard Disk Drive specification (Rev 1.1)
6
5
4
3
2
1
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
D
-
-
-
-
1
1
1
0
1
0
0
4
3
2
1
0
0
ABT T0N AMN
V
0
V
0
0
Command Block Input Registers
Register
7
6
Data
-
-
Error
Sector Count
-
-
Sector Number
-
-
Cylinder Low
-
-
Cylinder High
-
-
Device/Head
-
-
Status
Status Register
7
6
5
4
BSY RDY
DF
DSC DRQ COR IDX ERR
0
V
0
V
192
5
4
3
2
1
0
-
-
-
-
-
-
...See Below...
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
...See Below...
3
2
1
0
-
0
-
V
- Quick Links:
- Data Sheet
- Jumper Settings(Pata Model)
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