Nop (00H) - IBM DTTA-351010 - Deskstar 10.1 GB Hard Drive Specifications

12.9 NOP (00h)

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 87. NOP Command (00h)
This command always fails with an error. The device responds with command aborted.
Output Parameters To The Device
Feature Subcommand code.
00H
01H - FFH
The value of Sector Count, Sector Number, Cylinder High/Low, Device/Head set by host is not changed.
114
O E M Specifications for DTTA-3xxxxx
7 6 5 4 3 2 1 0
V V V V V V V V
1 1 D
0 0 0 0 0 0 0 0
4 3 2 1 0
0 A B T T 0 N A M N
0 0 V 0 0
Abort any outstanding queue.
Not abort any outstanding queue.
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 I n i t i a l v a l u e
S e c t o r N u m b e r I n i t i a l v a l u e
C y l i n d e r L o w I n i t i a l v a l u e
C y l i n d e r H i g h I n i t i a l v a l u e
D e v i c e / H e a d I n i t i a l v a l u e
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
2 1 0
0 V