Security Freeze Lock (F5H); Figure 110. Security Freeze Lock Command (F5H) - IBM IC25N040ATCS04 - Travelstar 40 GB Hard Drive Specifications

13.23 Security Freeze Lock (F5h)

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 110. Security Freeze Lock command (F5h)

The Security Freeze Lock Command allows the device to enter frozen mode immediately.
After this command is completed, the command which updates Security Mode Feature (Device Lock
Function) is rejected.
Frozen mode is quit only by a Power off.
The following commands are rejected when the device is in frozen mode. Refer to Figure 65 on page 90.
! Security Set Password
! Security Unlock
! Security Disable Password
! Security Erase Unit
Registers
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
1 - 1 D - - - -
1 1 1 1 0 1 0 1
4 3 2 1
IDN 0 ABT T0N
0 0 V 0
Travelstar 60GH & 40GN 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
AMN BSY RDY DF
0 0 V 0
152
7 6 5 4 3 2 1 0
- - - - - - - -
see below
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
see below
4 3 2 1 0
DSC DRQ COR IDX ERR
- - 0 - V