Hitachi 100GB 7200 RPM HTE721010G9SA00 User Manual
Product codes
HTE721010G9SA00
Travelstar E7K100 (SATA) Hard Disk Drive Specification
164
12.41 Standby (E2h/96h)
Table 113: Standby (E2h/96h)
The Standby command causes the device to enter the Standby Mode immediately and to set the auto power down
time-out parameter (standby timer).
time-out parameter (standby timer).
When this command is issued, the device confirms the completion of the cached write commands before returning
the command completion. Then the device is spun down. If the device is already spun down, the spin down
sequence is not executed.
the command completion. Then the device is spun down. If the device is already spun down, the spin down
sequence is not executed.
During the Standby mode the device will respond to commands, however there will be a delay while waiting for
the spindle to reach operating speed.
the spindle to reach operating speed.
The timer starts counting down when the device returns to Idle mode.
Output parameters to the device
Sector Count The Time-out Parameter. It is is zero, the time-out interval (Standby Timer) is disabled. If it is other
than zero the time-out interval is set for (Time-out Parameter × 5) seconds.
When the automatic power down sequence is enabled, the device will enter the Standby mode
automatically if the time-out interval expires with no device access from the host. The time-out
interval will be reinitialized if there is a device access before the time-out interval expires.
automatically if the time-out interval expires with no device access from the host. The time-out
interval will be reinitialized if there is a device access before the time-out interval expires.
Command Block Output Registers
Command Block Input Registers
Register
7 6 5 4 3 2 1 0
Register
7 6 5 4 3 2 1 0
Data
- - - - - - - -
Data
- - - - - - - -
Feature
- - - - - - - -
Error
see below
Sector Count
V V V V V V V V
Sector Count
- - - - - - - -
LBA Low
- - - - - - - -
LBA Low
- - - - - - - -
LBA Mid
- - - - - - - -
LBA Mid
- - - - - - - -
LBA High
- - - - - - - -
LBA High
- - - - - - - -
Device
- - - - - - - -
Device
- - - - - - - -
Command
1 1 1 0 0 0 1 0
Status
see below
Error Register
Status Register
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
CRC
UNC
0
IDN
0
ABT
T0N
AMN
BSY RDY
DF
DSC
DRQ
COR IDX
ERR
0
0
0
0
0
V
0
0
0
V
0
V
-
0
-
V