Difference between revisions of "Save power with Ubuntu 9.04 (Jaunty Jackalope) on a ThinkPad T400"
Line 84: | Line 84: | ||
==Powerdevil settings== | ==Powerdevil settings== | ||
− | Powersave Profile | + | Powersave Profile Settings: |
+ | general: | ||
Disable Composite | Disable Composite | ||
Line 95: | Line 96: | ||
* Button: Show logout dialog | * Button: Show logout dialog | ||
+ | |||
+ | screen: | ||
Screen Brighness 75 % | Screen Brighness 75 % | ||
Line 103: | Line 106: | ||
suspend 6 min | suspend 6 min | ||
power off 8min | power off 8min | ||
+ | |||
+ | cpu: | ||
scaleing: userspace | scaleing: userspace | ||
sheme: powersave | sheme: powersave | ||
+ | |||
+ | ==Gudiance PowerManager== | ||
+ | |||
+ | Lock screen after resume | ||
+ | |||
+ | Battery Powered: | ||
+ | |||
+ | Brightness 75% | ||
+ | |||
+ | drops below 10 min --> shutdown | ||
+ | idle more than XXX do nothing | ||
+ | cpu freq: dynamic (changed from powernowd then) | ||
+ | Lid: lock screen | ||
+ | |||
+ | Well good luck and have fun |
Revision as of 19:33, 20 April 2009
Hi
// have to read wiki syntax to format correctly//
Basic information:
I have Thinkpad T400 WC8......
9 cell battery now 60% last 4.37 h
Idle consumtion after this tipps: 11-13 watts
I use the ATI Card with the fglrx drivers, unfortunatelly the have no option to save power.
I use powernowd, Gudiance Power manager and KDE4.2 powerdevil.
I will get into deeper later.
Contents
Let's start:
Set wlan and bluetooth off (hardware switch)
Deaktivate the touchpad.
My Bios Settings:
Bluetooth off Modem off //have to look up other things//
Script to save power
This script reduce the power consumtion to 13-16 watts
Save this script as /etc/rc.local
Then modify /etc/kde4/kdm/Xsetup
and add:
exec /etc/rc.local
before exit 0
The script:
// need a place to upload permanently //
Modify the xorg
Modify like this:
Section "Device"
Identifier "Configured Video Device" Driver "fglrx"
......
Option "DynamicClocks" "true" Option "PowerState" "1" BusID "PCI:1:0:0"
EndSection
and
Section "Monitor"
Identifier "aticonfig-Monitor[0]-1" Option "VendorName" "ATI Proprietary Driver" Option "ModelName" "Generic Autodetecting Monitor" Option "DPMS" "true"
EndSection
Use powernowd
install powernowd
Then modify /etc/default/powernowd
with this parameters(add after -q with a space after q):
-m 2 -l 20 -u 70 -s 300000
Powerdevil settings
Powersave Profile Settings:
general: Disable Composite
Dim after 1 min
Idle for +20 min shutdown
Lid: lock screen
- Button: Show logout dialog
screen:
Screen Brighness 75 %
enable display power management
standby 3 min suspend 6 min power off 8min
cpu:
scaleing: userspace sheme: powersave
Gudiance PowerManager
Lock screen after resume
Battery Powered:
Brightness 75%
drops below 10 min --> shutdown idle more than XXX do nothing cpu freq: dynamic (changed from powernowd then) Lid: lock screen
Well good luck and have fun