Laptop Mode Tools Allows you to control various power management settings based on AC/battery power state.
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Laptop Mode Tools Description

Allows you to control various power management settings based on AC/battery power state. Laptop Mode Tools allows you to control various power management settings based on AC/battery power state.Among other things, it controls Linux's "Laptop Mode" feature that allows your hard drive to spin down for extended periods.It can also control CPU frequency scaling and screen blanking timeouts (both terminal and X). Laptop Mode Tools supports automatic hibernation when battery is low.The Linux kernel, starting from version 2.6.6, contains a feature called laptop mode. This feature is also present in the Linux 2.4 series starting from version 2.4.23.When you enable this feature, Linux allows your hard drive to spin down more often, resulting in significant power savings. To make laptop mode work, you need to install some scripts and configure some things.The Laptop Mode Tools package contains everything you need to make laptop mode work. What's New in This Release: · Initialize DEBUG to 0 by default. THanks to Matthijs Kooijman for pointing it out. · Add an option to completely disable ethernet devices when on battery. · Introduce hooks to enable debug mode for individual modules · Use iwconfig to determine device type for iwlwifi devices also · Collect the correct exit code for iwconfig execution. · Use iwconfig in wireless-iwl-power. Thanks to Darren Hoo for spotting it · Handle spaces in mount point names. Thanks to Louis Simard for the patch · Clarify about Global Debug mode and Module Specific Debug mode. · Fix incorrect variable reference in video-out module. Thanks to Hans Werner for noticing that.

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