ATAidle is a utility to set the power management and performance
features of ATA hard drives.  This includes standby timeouts, power
(APM)  write cache and acoustic (AAM) level settings, and it can show
details about the installed devices.

Author:	Bruce Cran <bruce@cran.org.uk>
WWW:   http://www.cran.org.uk/bruce/software/ataidle/