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11.30 Security Disable Password (F6h)
Command Block Output Registers
Register
Data
Feature
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Command
Error Register
7
6
5
CRC UNC
0
0
0
0
Table 128 Security Disable Password Command (F6h)
The Security Disable Password command disables the security mode feature (device lock function).
The Security Disable Password command requests a transfer of a single sector of data from the host including
information specified in
User Password or Master Password matches the given password, the device disables the security mode feature
(device lock function). This command does not change the Master Password which may be re-activated later by
setting User Password. This command should be executed in device unlock mode.
When security is disabled and the Identifier bit is set to User, then the device shall return command aborted.
HITACHI Deskstar & CinemaStar 7K1000.B & Deskstar E7K1000 Hard Disk Drive specification
7
6
5
4
3
2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
-
1
D
-
-
1
1
1
1
0
1
4
3
2
1
IDN
0
ABT T0N AMN
0
0
V
0
Table 127
on the page 178. Then the device checks the transferred password. If the
Command Block Input Registers
1
0
Register
-
-
Data
-
-
Error
-
-
Sector Count
-
-
Sector Number
-
-
Cylinder Low
-
-
Cylinder High
-
-
Device/Head
1
0
Status
0
7
6
5
BSY RDY
DF
0
0
V
0
179
7
6
5
4
3
2
1
-
-
-
-
-
-
-
...See Below...
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
...See Below...
Status Register
4
3
2
1
DSC DRQ COR IDX ERR
V
-
0
-
0
-
-
-
-
-
-
0
V
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