12.19 Security Erase Prepare (F3h)
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
B B K U N C
0
I D N
0
0
0
Figure 71. 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 data transfer.
7 6 5 4 3 2 1 0
1
1 D
1 1 1 1 0 0 1 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
V
Command Descriptions
2
1
0
0
V
115