IBM DJSA-210 Hard Drive Specifications - Page 157

Security Erase Unit F4h

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13.22 Security Erase Unit (F4h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature Sector Count Sector Number Cylinder Low Cylinder High Device/Head 1 - 1 D - - - - Command 1 1 1 1 0 1 0 0 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count Sector Number Cylinder Low Cylinder High Device/Head Status see below Error Register 76543210 CRC UNC 0 IDN 0 ABT T0N AMN 000V0V00 Status Register 7 6 5 4 3 2 10 BSY RDY DF DSC DRQ COR IDX ERR 0 V 0 V - 0 -V Figure 96. 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 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. This command requests the transfer of a single sector of data from the host including information specified in Figure 96. If the password does not match then the device rejects the command with an Aborted error. Word 00 01-16 17-255 Description Control Word bit 0 : Identifier (1- Master, 0- User) bit 1-15 : Reserved Password ( 32 bytes ) Reserved Figure 97. Erase Unit information Travelstar 32GH/30GT/20GN hard disk drive specifications 143

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13.22 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 96. 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
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.
This command requests the transfer of a single sector of data from the host including information specified
in Figure 96.
If the password does not match then the device rejects the command with an Aborted error.
Reserved
17-255
Password
( 32 bytes )
01-16
Control Word
bit 0
: Identifier (1- Master, 0- User)
bit 1–15 : Reserved
00
Description
Word
Figure 97. Erase Unit information
Travelstar 32GH/30GT/20GN hard disk drive specifications
143