Standby (E2H/96H) - IBM DTTA-351010 - Deskstar 10.1 GB Hard Drive Specifications

12.32 Standby (E2h/96h)

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 120. Standby Command (E2h/96h)
The Standby command causes the device to enter the Standby Mode immediately, and set auto power down
timeout parameter(standby timer).
When the Standby mode is entered, the drive is spun down but the interface remains active. If the drive is
already spun down, the spin down sequence is not executed.
During the Standby mode the drive will respond to commands, but there is a delay while waiting for the
spindle to reach operating speed.
The automatic power down sequence is enabled and the timer starts counting down when the drive returns
to Idle mode.
Output Parameters To The Drive
Sector Count Timeout Parameter. If zero, then the automatic power down sequence is disabled. If
non-zero,then the automatic power down sequence is enabled,and the timeout
interval is shown blow:
7 6 5 4 3 2 1 0
V V V V V V V V
1 1 D
1 1 1 0 0 0 1 0
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
157