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Linux - Laptop and Netbook Having a problem installing or configuring Linux on your laptop? Need help running Linux on your netbook? This forum is for you. This forum is for any topics relating to Linux and either traditional laptops or netbooks (such as the Asus EEE PC, Everex CloudBook or MSI Wind).

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Old 04-10-2004, 10:16 PM   #1
Entropius
LQ Newbie
 
Registered: Apr 2004
Posts: 29

Rep: Reputation: 15
Proc throttling on Athlon XP-M / Mandrake 10


I am running Mandrake 10 on an eMachines 5312, and don't seem to be able to get processor throttling to work. This machine has an Athlon XP-M 2400+ processor, which I know supports throttling; various WinXP tools do indeed show the processor speed changing with load.

Under Linux this doesn't seem to work. I have "Enable performance profiles" and "Enable processor throttling" checked in the ACPI Config tab of KLaptop; however, /proc/acpi/processor/CPU0/throttling still reports <not supported>, and /proc/acpi/processor/CPU0/info confirms this.

Also, the only "performance profile" available in all the KLaptop options that offer a choice is "0 MHz"... I assume that, in a system with working throttling, there's an option here to select a clock speed.

What seems to be the matter?

Is Athlon XP-M throttling support working in Linux, or does it only work for Centrino/etc?
 
Old 04-11-2004, 01:08 PM   #2
BruceCadieux
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Registered: Apr 2002
Location: Wales MA.
Distribution: openSuSE 11.1
Posts: 409

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Although I can't help you with your problem I can at least answer your last question.

The CPU throttling in my Averatec laptop (XP-M 1700+) works fine in SuSE 9.0. So yes throttling works for AMD processors in linux.
 
Old 04-17-2004, 05:44 AM   #3
yayegg
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Registered: Feb 2004
Location: Aarhus/Denmark
Distribution: Fedora Core 2
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Hi,
I am using cpuspeed-1.1 (http://carlthompson.net/Software) under Mandrake to change my CPU speed. My FSC has AMD 1400+ XP-M.
Did u enable the powernow_k7 in kernel? It is compiled as a module by default, so if it's not loaded, the throttling won't work.
yayegg
 
Old 08-24-2004, 11:59 PM   #4
Borris
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Registered: Aug 2004
Posts: 2

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Wireless

I am running mandrake 10 as well on the 5312 emachines laptop. I was wondering how do get the wireless to work under linux, i cant get it to work under xp pro either. it keeps telling me to enable the radio, even when i click enable radio and hit apply i get the same message. I have the newest drivers for xp as well. Any help is much appreciated!

Thanks
-Borris
 
  


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