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Old 10-22-2004, 04:10 AM   #1
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Power control on mandrake 10.0 official

Hi all, i'm new of this forum. Congratulations to admins and moderators, very well organized.

I'm writing you for informations about setting up mdk 10.0 on my laptop to improve my battery's life.
I've already installed that distro on my laptop, ant it work quite good (no 3d acceleration with radeon 9700 mobility), but it doesn't matter.

I noticed that battery's life in windows is longer than in linux, because windows slow down CPU & VPU speed, when using the battery.
In linux (I suppose) this not happen, and, for example, cpu fan is always on.

I'm asking you if there are some modules to install, for controlling the energy use of the laptop (for example, best performance, balanced, longer battery life options)

My laptop is an acer aspire 1624LMI, P4 3.4 Ghz HT, 1 GB ram, radeon 9700 mobility.

Thanks, and sorry me for my english but i'm italian and this is not my first language.

Last edited by f3ua; 10-22-2004 at 04:12 AM.
Old 10-22-2004, 05:49 AM   #2
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I believe you'll need to enable ACPI to control both the CPU and the fan on your Laptop.

Once you have things properly installed you'll find that Linux will give you far MORE battery life than Windows does.

There are various reasons for this, but not the least of which is that Linux will HALT the CPU during wait loops unlike windows.

This consumes far less power and keeps your laptop cool.

On my Pavilion the fan practically never comes on in Linux unless I'm doing something which throws CPU utilization quite high.

You should try starting with the Linux Laptop web pages to find things specifically related to your laptop.

is one site.

Remember though, if you see that you may need to install something as one of these sites say, DO NOT do so directly.

First try using the Mandrake repositories:


For instructions about configuring and using the RPM repositories.

For instance ACME is quite usefull on laptops... to install it after you have done the above...

urpmi acme

A minute or so later you'll have it installed.

Old 10-22-2004, 07:55 AM   #3
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Thank you very much.

I'll start my search on that websites.

I've installed the acpi service and now i can see the battery life next to the clock. It works great, but I still can't control system performance.

A weekend of trying waits me.

Hi and thanks again.


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