Security Freeze Lock (F5H) - IBM DBCA-204860 - Travelstar 4.8 GB Hard Drive Specifications

12.22 Security Freeze Lock (F5h)

C o m m a n d B l o c k O u t p u t R e g i s t e r s
R e g i s t e r
D a t a
F e a t u r e
S e c t o r C o u n t
S e c t o r N u m b e r
C y l i n d e r L o w
C y l i n d e r H i g h
D e v i c e / H e a d
C o m m a n d
E r r o r R e g i s t e r
7 6 5
C R C U N C 0 I D N
0 0 0
Figure 89. 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 Func-
tion) is rejected.
Frozen mode is quit only by Power off or Hard Reset.
The following commands are rejected when the device is in frozen mode. For detail, refer to Figure 53 on
page 80.
Security Set Password
Security Unlock
Security Disable Password
Security Erase Unit
7 6 5 4 3 2 1 0
1 1 D
1 1 1 1 0 1 0 1
4 3 2 1 0
0 A B T T 0 N A M N
0 0 V 0 0
C o m m a n d B l o c k I n p u t R e g i s t e r s
R e g i s t e r 7 6 5 4 3 2 1 0
D a t a
E r r o r . . . S e e B e l o w . . .
S e c t o r C o u n t
S e c t o r N u m b e r
C y l i n d e r L o w
C y l i n d e r H i g h
D e v i c e / H e a d
S t a t u s . . . S e e B e l o w . . .
S t a t u s R e g i s t e r
7 6 5 4 3
B S Y R D Y D F D S C D R Q C O R I D X E R R
0 V 0
Command Descriptions
2 1 0
0 V
135