Security Disable Password (F3H); Table 133. Password Information For Security Disable Password Command183 Table 134. Security Disable Password (F3H) - Hitachi 7K400 - Deskstar Hard Drive Specifications

12.34 Security Disable Password (F3h)

Table 135: Security Disable Password (F3h)
Command Block Output Registers
Register
Data
Feature
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Command
7 6 5
CRC UNC 0
0 0 0
The Security Erase Prepare command must be issued immediately before the Security Erase Unit command to
enable device erasing and unlocking.
The Security Erase Prepare Command must be issued immediately before the Format Unit Command. This com-
mand is to prevent accidental erasure of the device.
This command does not request the transfer of data.
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
1 - 1 D - - - -
1 1 1 1 0 0 1 1
Error Register
4 3 2 1
IDN 0 ABT T0N AMN
0 0 V 0
Deskstar 7K400 Hard Disk Drive Specification
Command Block Input Registers
Register
Data
Error
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Status
0 7 6
BSY RDY DF DSC DRQ
0 0 V
184
7 6 5 4 3 2 1 0
- - - - - - - -
see below
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
see below
Status Register
5 4 3 2
COR IDX
0 V - 0
1 0
ERR
- V