Be aware that hdparm may not have any effect on SATA drives. For those, you'll need something like sg3-utils and/or spindown:<br><a href="http://nslu2guide.blogspot.com/2009/01/nslu2-spindown-issue_06.html">http://nslu2guide.blogspot.com/2009/01/nslu2-spindown-issue_06.html</a><br>
<br>Supposedly enabling AHCI mode in the BIOS will make hdparm work again, but that can sometimes bring its own set of problems.<br><br>-Alex<br>