[ltp] How to improve battery life on Thinkpad X60s

Ari El linux-thinkpad@linux-thinkpad.org
Sat, 21 Oct 2006 10:40:07 -0700 (PDT)

Interesting, how do you shut down one core?

Florian Manschwetus wrote:
> Ari El schrieb:
>> John Fremlin-2 wrote:
>>> Martin Aumueller <aumuell@reserv.at> writes:
>>>> See below what Florian Reitmair wrote on the matter a couple of days
>>>> ago
>>>> (6. 
>>>> Sep) on this mailing list. Search the archive (e.g. at 
>>>> http://marc.theaimsgroup.com/?l=linux-thinkpad&r=1&w=2) for viewing the
>>>> whole 
>>>> thread.
>>> Thanks for the link. However, as all the devices he was tuning to
>>> lower the power of were disabled in my configuration it does not help
>>> -- except perhaps for CPU undervolting, but I doubt that MS Windows
>>> does this?
>>> I am curious to discover which component it is that MS Windows can
>>> power down and Linux cannot. It feels like whatever is under the "IBM"
>>> logo on the right hand side of the fingerprint reader.
>>> Any suggestions?
>>> [...]
>>> -- 
>>> The linux-thinkpad mailing list home page is at:
>>> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
>> did you find out the cause of the heat below to the logo? I was wondering
>> if
>> winxp is undervolting the cpus. Or something else. I asked the dev of
>> linux-phc and he is more of the opinion on winxp not undervolting but
>> lowering the FSB freq or something else. I keep wondering about this and
>> a
>> bit disappointed with  battery life under linux for my x60s. 
>> i keep looking for solutions, and a bit ashamed of using winxp because of
>> the amazing 8h to 9h i get (just word processor), myself beeing a linux
>> fan.
> my t60 2007-63G reaches under linux bravously the 4h lifetime border, i
> use core disabling, smart (not full) dimmed display, ipw3945 battery
> mode (enabled and used wlan), ati battery mode, ondemand governor
> florian

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