[ltp] results of test ahci vs piix on t60p

Theodore Tso linux-thinkpad@linux-thinkpad.org
Mon, 5 Mar 2007 14:35:32 -0500

On Sun, Mar 04, 2007 at 05:06:45PM -0500, Brad Langhorst wrote:
> I did a few (not very careful) tests to see which was better.
> radio off, brightness all the way up, on battery
> PIIX, bios compatibility mode
> ~20W idle ~25W running updatedb

> AHCI, bios AHCI mode
> ~17W idle ~24W running updatedb
> bonnie++

Interesting.  As I recall the reason that a number of people were
recommending PIIX was that suspend-to-ram and suspend-to-disk wasn't
working well with PIIX, where as it worked just fine with AHCI.  Did
you try out that functionality on both options?


					- Ted