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PostPosted: Sat Jan 31, 2009 1:47 pm 
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Junior Member
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Joined: Fri Apr 06, 2007 6:21 pm
Posts: 283
Location: Milwaukee, WI
Thinkpad X60
8 Cell battery (90%)
Vista said 5 hours.
Ubuntu said 3.5 hours.

I would like to improve the battery life on Ubuntu.
1. reduce 1 Ghz to 500 Mhz
2. stop the fan if it is not hot (always on at 2770 rpm)


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PostPosted: Sun Feb 01, 2009 2:55 am 
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Joined: Fri May 13, 2005 1:33 pm
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Location: Minnesota
Have you looked at PowerTop?

http://www.lesswatts.org/projects/powertop/

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PostPosted: Sun Feb 01, 2009 5:54 am 
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Joined: Sat May 12, 2007 10:54 am
Posts: 2975
Location: Munich, Germany
FredGarvin wrote:
Hm, this utility even provides suggestions what to tune. This is quite useful for unexperienced Linux users like me :) Thanks for providing the link,

Marin

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IBM Lenovo Z61p | 15.4'' WUXGA | Intel Core 2 Duo T7400 2x 2.16GHz | 4 GB Kingston HyperX | Hitachi 7K500 500 GB + WD 1TB (USB) | ATI Mobility FireGL V5200 | ThinkPad Atheros a/b/g | Analog Devices AD1981HD | Win 7 x86 + ArchLinux 2009.08 x64 (number crunching)


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PostPosted: Sun Feb 01, 2009 2:03 pm 
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ThinkPadder
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Joined: Wed Sep 29, 2004 1:40 pm
Posts: 1548
Location: Saint Paul, MN
Powertop is great for experienced Linux users like me too!

The default install for many distributions does not take advantage of as many power saving features as it could or should, and this tool really helps.

Some day, I'll even change my configuration files to make the settings permanent. :)

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Machine-Project: 750P, 600X, T42, T60, T400, X1 Carbon Touch


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PostPosted: Sun Feb 01, 2009 6:02 pm 
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ThinkPadder
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Joined: Fri Jun 08, 2007 2:36 pm
Posts: 1062
For the fan

I don't think you can even use 500mhz in Windows...


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PostPosted: Sun Feb 01, 2009 6:06 pm 
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Joined: Sat May 12, 2007 10:54 am
Posts: 2975
Location: Munich, Germany
Maybe it´s time to gather some information on that topic in one place, what do ya think? :)

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IBM Lenovo Z61p | 15.4'' WUXGA | Intel Core 2 Duo T7400 2x 2.16GHz | 4 GB Kingston HyperX | Hitachi 7K500 500 GB + WD 1TB (USB) | ATI Mobility FireGL V5200 | ThinkPad Atheros a/b/g | Analog Devices AD1981HD | Win 7 x86 + ArchLinux 2009.08 x64 (number crunching)


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PostPosted: Sun Feb 01, 2009 9:34 pm 
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Location: Milwaukee, WI
Staying at 1 Ghz makes the CPU very hot and the fan is always on at 2700 rpm. I don't understand why the X60 or the processor doesn't support throttle down to any frequency lower than 1 Ghz. The right palm rest is very hot. I wonder if it would make a different if I switch the wifi card with one from an X41.


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PostPosted: Sun Feb 01, 2009 11:42 pm 
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ThinkPadder
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Joined: Fri Jun 08, 2007 2:36 pm
Posts: 1062
I think the problem's somewhere else. 1ghz is the lowest setting, and should be a very cool setting (not sure exactly what "very hot" is). A program hogging the cpu might cause it to get hot regardless (powertop should point this out, if it's the case).

Also, the palmrest issue has been discussed:
viewtopic.php?t=36873
No, you can't switch to the X4 wireless, as that was a different type of card.
How about switching off the wifi as a test? If is still hot then it's probably not the wifi.


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PostPosted: Fri Feb 27, 2009 1:28 pm 
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Joined: Mon Dec 29, 2008 5:14 am
Posts: 42
Location: Kohila, Estonia
Hy, i have problem with powertop. When i put settings in place and do restart example. All the settings are disappeared! And i have do all the settings again. Ubuntu 8.10.


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PostPosted: Sat Feb 28, 2009 5:14 am 
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Joined: Mon Mar 26, 2007 5:46 pm
Posts: 313
Location: Chinle, AZ
FredGarvin wrote:


OH, I LIKE THIS! Thank you!

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Some call me...Tim.
Present:
    T500 (2243) WUXGA/2.53C2D/8GB/320GB/Ubuntu
    X60T (6366) SXGA+/1.66CD/3GB/64GB SSD/Ubuntu
Past: R50 || X30 || T30 || A31p || 3xx || 600E || Intellistation Z Pro


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PostPosted: Fri Mar 06, 2009 9:27 am 
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Joined: Tue Jul 15, 2008 4:46 am
Posts: 29
Location: Athens, Greece
any improvements?

whats the battery life under ubuntu with these tweaks?


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PostPosted: Sat Mar 07, 2009 12:39 am 
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Joined: Mon Mar 26, 2007 5:46 pm
Posts: 313
Location: Chinle, AZ
Alexiskass wrote:
any improvements?

whats the battery life under ubuntu with these tweaks?


The tool found a few things that could be tweaked. After making the changes, I've noticed no change in battery life. However, my battery is pretty much shot anyway, so it's not really a fair test for me to say one way or the other. ANY gain I can get is important to me though.

_________________
Some call me...Tim.
Present:
    T500 (2243) WUXGA/2.53C2D/8GB/320GB/Ubuntu
    X60T (6366) SXGA+/1.66CD/3GB/64GB SSD/Ubuntu
Past: R50 || X30 || T30 || A31p || 3xx || 600E || Intellistation Z Pro


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PostPosted: Wed Mar 25, 2009 5:32 pm 
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Joined: Sat Jan 17, 2009 2:27 am
Posts: 212
Location: MN
Linux-PHC helps, but I haven't had success with it yet (stupid archwiki PKGBUILD for compiling kernels didn't work very well). laptop-mode-tools if you don't have it (add it to either modules or daemons in /etc/X11/xorg.conf, I forget which), lower screen brightness. that's all I can think of off the top of my head

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Frankenpad X31.5 (X31 casing, X32 motherboard) 1.8ghz Pentium M processor, 1gb RAM,
60gb HDD dual booting Arch GNU/Linux && Windows XP


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PostPosted: Mon Apr 18, 2011 2:34 am 
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Joined: Sun Apr 17, 2011 5:14 pm
Posts: 8
Location: Kingaroy, Australia
Just found this thread. Installed powertop under Fedora 14 by simply issuing command sudo yum install powertop

Nice tool, especially as I have been getting +/- 1 hour battery life on my T61.

Thanks folks.
Doug

T23 WinXP / Fedora 14
T61 Fedora 14

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Cheers,
Doug
----------------
T23 WinXP / FC 14
T61 FC14


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