12.22 Security Erase Unit (F4h)
see below
Status
1 1 1 1 0 1 0 0
Command
- - - - - - - -
Device/Head
1 - 1 D - - - -
Device/Head
- - - - - - - -
Cylinder High
- - - - - - - -
Cylinder High
- - - - - - - -
Cylinder Low
- - - - - - - -
Cylinder Low
- - - - - - - -
Sector Number
- - - - - - - -
Sector Number
- - - - - - - -
Sector Count
- - - - - - - -
Sector Count
see below
Error
- - - - - - - -
Feature
- - - - - - - -
Data
- - - - - - - -
Data
7 6 5 4 3 2 1 0
Register
7 6 5 4 3 2 1 0
Register
Command Block Input
Registers
Command Block Output
Registers
V
–
0
–
V
0
V
0
0
0
V
0
V
0
0
0
ERR
IDX
COR
DRQ
DSC
DF
RDY
BSY
AMN
T0N
ABT
0
IDN
0
UNC
CRC
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Status Register
Error Register
Figure 109. 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. The Host MAX
LBA set by the Initialize Drive Parameter or the Set MAX Address command is ignored. So the protected
area by the Set MAX Address command is also initialized.
This command requests to transfer a single sector data from the host including information specified in
the figure below.
If the password does not match, the device rejects the command with an Aborted error.
Deskstar 40GV & 75GXP hard disk drive specifications
145
Summary of Contents for DTLA-305040 - Deskstar 41.1 GB Hard Drive
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