[ltp] X200 Battery Life

Henrique de Moraes Holschuh linux-thinkpad@linux-thinkpad.org
Thu, 30 Oct 2008 08:47:53 -0200


On Thu, 30 Oct 2008, Tino Keitel wrote:
> On Wed, Oct 29, 2008 at 23:40:15 -0200, Henrique de Moraes Holschuh wrote:
> [...]
> > Yeah, PCIe power saving + aggressive AHCI sata link power saving
> > could be it...
> 
> What is "aggressive"? Something more than available in
> link_power_management_policy? I once saw SCSI power management patches

link_power_management_policy set to its highest savings mode.

> flying around on LKML, which also had the aim to disable a SATA link
> when the hard disk is spun down IIRC. Maybe you are referring to this.

No, but that sounds like something Lenovo is likely doing, yes.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh