Description: spin down an IDE hard drive, to conserve power
This code is public domain (no copyright).
You can do whatever you want with it.
Time to
Drive return to Power
state ACTIVE state consumption
----- ------------ -----------
ACTIVE zero highest
IDLE less than STANDBY(?) less than ACTIVE
STANDBY up to 30 seconds less than IDLE
SLEEP (must reset drive) lowest
Both idle and standby can use a timer built into the drive
(IDLE/STANDBY commands instead of IDLE IMMEDIATE/STANDBY IMMEDIATE).
SLEEP state can only be exited by resetting the drive
To Search:
- [atadrvr] - ATA/ATAPI full I/O to achieve the DOS dr
File list (Check if you may need any files):
ata-idle.c