Security Erase Prepare (F3H); Figure 108. Security Erase Prepare Command (F3H) - IBM DTLA-305040 - Deskstar 41.1 GB Hard Drive Specifications

12.21 Security Erase Prepare (F3h)

Command Block Output
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 108. 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 .
Registers
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
0 0 V 0
Deskstar 40GV & 75GXP hard disk drive specifications
Command Block Input
Register
Data
Error
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Status
Status Register
0 7 6
AMN BSY RDY DF
0 0 V
144
Registers
7 6 5 4 3 2 1 0
- - - - - - - -
see below
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
see below
5 4 3 2 1
DSC DRQ COR IDX
0 V – 0 –
0
ERR
V