Security Erase Prepare (F3H); Figure 102. Security Erase Prepare Command (F3H) - IBM IC25N020ATDA04 - Travelstar 20 GB Hard Drive Specifications

13.22 Security Erase Prepare (F3h)

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

Figure 102. Security Erase Prepare command (F3h)

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 command is to prevent accidental erasure of the device.
This command does not request to transfer data.
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
1 - 1 D - - - -
1 1 1 1 0 0 1 1
4 3 2 1
IDN 0 ABT T0N AMN
0 0 V 0
Travelstar 48GH, 30GN & 15GN hard disk drive specifications
Command Block Input Registers
Register
Data
Error
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Status
Status Register
0 7 6 5
BSY RDY DF
0 0 V 0
153
7 6 5 4 3 2 1 0
- - - - - - - -
see below
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
see below
4 3 2 1 0
DSC DRQ COR IDX ERR
V - 0 - V