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5K320 SATA OEM Specification
103
14.10 Idle (E3h/97h)
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 1 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 AM
N
BSY RDY DF DSC DRQ COR IDX ERR
0 0 0 0 0 V 0 0 0 V 0 V - 0 0 V
Table 65 Idle Command (E3h/97h)
When the power save mode is Standby mode, the Idle command causes the device to enter
performance Idle mode immediately, and set auto power down timeout parameter(standby timer).
And then the timer starts counting down. When the device’s power save mode is already any idle
mode, the device keep that mode.
When the Idle mode is entered, the device is spun up to operating speed. If the device is already
spinning, the spin up sequence is not executed.
During Idle mode the device is spinning and ready to respond to host commands immediately.
Output Parameters To The Device
Sector Count
Timeout Parameter. If zero, the timeout interval(Standby Timer) is disabled. If other than
zero, the timeout interval is set for (Timeout Parameter x5) seconds.
The device will enter Standby mode automatically if the timeout interval expires with no
device access from the host. The timeout interval will be reinitialized if there is a device
access before the timeout interval expires.