![]() General tab: configure what to do when pressing the power button and sleep button (Fn+f4). Hard drive power saving: in the battery tab tick on "Reduce hard drive revolutions when possible"īattery tab: tick on reduce brightness and dim display.ĪC and Battery tab: configure what to do when closing the lid and what to do on very low battery remaining. Go the g-p-m preferences, under System -> Preferences -> Power management, and do the following: Sudo chgrp root /etc/pm/power.d/15_savinggnome-power-manager: Sudo chown root /etc/pm/power.d/15_saving ![]() Sudo ln -s /etc/pm/power.d/15_saving /etc/pm/sleep.d/ # Paste the script above into the file, save and close # Reduce disk activity by waiting up to 10 minutes before doing writesĮcho 25 > /proc/sys/vm/dirty_background_ratioĮcho 60000 > /proc/sys/vm/dirty_expire_centisecsĮcho 60000 > /proc/sys/vm/dirty_writeback_centisecsįiTo install this power saving script, do the following: ![]() Reduces disk activityĮcho 10 > /sys/module/snd_hda_intel/parameters/power_saveĮcho Y > /sys/module/snd_hda_intel/parameters/power_save_controller # Change the ext3/4 commit times to 10 minutes. # Set kernel dirty page value back to defaultĮcho 10 > /proc/sys/vm/dirty_background_ratioĮcho 500 > /proc/sys/vm/dirty_expire_centisecsĮcho 500 > /proc/sys/vm/dirty_writeback_centisecs # Remount ext3/4 filesystems to default value: every 5 secondsįor foo in /sys/class/scsi_host/host*/link_power_management_policy Įcho 0 > /sys/module/snd_hda_intel/parameters/power_saveĮcho N > /sys/module/snd_hda_intel/parameters/power_save_controller I've setup a script which will take care of making the devices entering the power saving mode when the laptop is on battery.Įcho N > /sys/module/video/parameters/brightness_switch_enabled You can easily setup the system to enter some power saving modes, specifically the sata controller and the sound chip. I won't be responsible for any damage this could do to your system or data.īy default, an ubuntu install won't take too much care of saving power, which is very important in an ultra mobile laptop. If laptop-mode-tools is installed, suggest uninstalling and, if you want, uninstallįix the brightness hotkeys issue (jumps 2 levels on every key press)ĭisable ethernet Wake on Lan (doesn't enable when on AC)ĭisable uneeded services: cron, anacron and atd (they don't enable when on AC)Īdd the noatime parameter to the ext2/3/4 partitions in fstab. In detail:Ĭonfigure gnome-power-manager backlight dim and hard disk power savingĭownload, patch, install and setup acerhdf I've done a script that should do it all automatically. Networking, both wireless (intel wifi 1000) and wired (the atheros gigabit)Īudio in: the integrated mic doesn't work.įN + F5: not recognised, doesn't toogle displays What's working after a standard Ubuntu 10.04 install:Īudio out, speaker mutes when pluging in headphones. If you have a 1410/1810 and something doesn't work, please report back. ![]() This guide has also been tested on a Packard Bell Dot M/U with bios v3303, and it should also work on the Gateway clone. There are a lot of Acer 1410/1810T/1810TZ users over there. This guide was first started at Notebook Review Forums (). ![]()
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