IBM IC25N020ATDA04 - Travelstar 20 GB Hard Drive - Security Freeze Lock (F5 H); Figure 105. Security Freeze Lock Command (F5 H)

13.24 Security Freeze Lock (F5h)
see below
Status
1 1 1 1 0 1 0 1
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--0V000V00000
ERRIDXCOR
DRQ
DSCDFRDYBSYAMNT0NABT0IDN0UNCCRC
0123456701234567
Status Register
Error Register
Figure 105. 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 68 on page 92.
Ÿ Security Disable Password
Ÿ Security Erase Unit
Ÿ Security Set Password
Ÿ Security Unlock
Travelstar 48GH, 30GN & 15GN hard disk drive specifications
156