[ltp] Re: tpfand configuration for an X200s

Henrique de Moraes Holschuh linux-thinkpad@linux-thinkpad.org
Fri, 5 Dec 2008 16:35:37 -0200


On Fri, 05 Dec 2008, Volker Krüger wrote:
> could it be possible that lenovo's powermanagement is overriding the bios
> fan control (among other things)?

This is very unlikely.

> could someone investigate if there is a difference in power consumption
> between the ordinary visa (w/o lenovo drivers) and lenovo's vista (with
> lenovo drivers)?

The Lenovo drivers make Vista (and XP) behave much better on the ThinkPad.
Power draw with no Lenovo drivers is expected to be higher.

Which means the test will not give you any definite answer about the fan.

> It could be that the ordinary vista uses as much power as linux, right?

Yes.

> Another possibility is that the bios is used differently by vista and by
> linux: The bios might very well have a bug which might not come apparent
> under vista... How much does the X200s consume under XP or win2000?

That's a possibility, 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