Is there a slackware equivalent of AMD's Cool 'n Quiet driver?
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Is there a slackware equivalent of AMD's Cool 'n Quiet driver?
About 4 months ago, I switched from being a lifetime Windows user (blech) to Ubuntu. After Ubuntu 11.04, I disliked many of the changes they made.
One of my friends, a lifelong computer and linux lover, told me to switch to Slackware. I must say, after switching, it seems as though Ubuntu is the Windows of the Linux world. Slackware is...fairly overwhelming, currently.
Anyway, I have an ASUS M3A78 MB, and I desperately wish to install the cool 'n quiet driver so that my PC isn't so loud.
But CPU frequency scaling is only enabled by default on laptops in Slackware.
To enable on a desktop:
Open /etc/rc.d/rc.modules in a text editor
Look for this section:
Code:
### CPU frequency scaling support
#
# Below, set CPUFREQ to enable CPU frequency scaling to save system power.
#
# To always try to use CPU frequency scaling, set to: on
# To never use CPU frequency scaling, set to: off
# To use it only when the battery module is loaded (this will cause it to
# be used by default with most laptops), set to: battery
#
CPUFREQ=battery
Change it to:
Code:
### CPU frequency scaling support
#
# Below, set CPUFREQ to enable CPU frequency scaling to save system power.
#
# To always try to use CPU frequency scaling, set to: on
# To never use CPU frequency scaling, set to: off
# To use it only when the battery module is loaded (this will cause it to
# be used by default with most laptops), set to: battery
#
CPUFREQ=on
and reboot
Last edited by piratesmack; 08-06-2011 at 06:54 PM.
Slackware 13.1 and 13.37 come with a package called cpufrequtils. After enabling the powernow-k8 module, use the cpufreq-info command as a quick way to verify the CPU is running at a slower idle speed.
Additionally, ensure the BIOS Q-Fan option is enabled. That will allow controlling speeds of any pulse-width modulated (PWM) fans. The lm-sensors packages comes with two shell scripts called fancontrol and pwmconfig. The latter script will help create an /etc/fancontrol configuration file. The fancontrol script can be run automagically from rc.local or from an rc.d startup script.
On my desktop/homeserver. Then governor conservative manages the cpu-frequency to be as low as possible at the given workload. Normally when surfing the internet it is at 800MHz.
cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009
Report errors and bugs to cpufreq@vger.kernel.org, please.
analyzing CPU 0:
driver: powernow-k8
CPUs which run at the same hardware frequency: 0 1
CPUs which need to have their frequency coordinated by software: 0 1
maximum transition latency: 109 us.
hardware limits: 1000 MHz - 2.50 GHz
available frequency steps: 2.50 GHz, 2.40 GHz, 2.20 GHz, 2.00 GHz, 1.80 GHz, 1000 MHz
available cpufreq governors: userspace
current policy: frequency should be within 1000 MHz and 2.50 GHz.
The governor "userspace" may decide which speed to use
within this range.
current CPU frequency is 2.50 GHz (asserted by call to hardware).
analyzing CPU 1:
driver: powernow-k8
CPUs which run at the same hardware frequency: 0 1
CPUs which need to have their frequency coordinated by software: 0 1
maximum transition latency: 109 us.
hardware limits: 1000 MHz - 2.50 GHz
available frequency steps: 2.50 GHz, 2.40 GHz, 2.20 GHz, 2.00 GHz, 1.80 GHz, 1000 MHz
available cpufreq governors: userspace
current policy: frequency should be within 1000 MHz and 2.50 GHz.
The governor "userspace" may decide which speed to use
within this range.
current CPU frequency is 2.50 GHz (asserted by call to hardware).
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