Installing Ubuntu on a ThinkPad X22

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Ubuntu 7.04, Feisty

Ubuntu 7.04 (Feisty) Just Works on the X22.

Video

Driver

By default, the installation select the "ati" driver, everything is fine but if you select "radeon" instead, XGL give less error.

Check it by 'grep "WW\|EE" /var/log/Xorg.0.log'

The xorg.conf that works for X22 should look like this:

Section "Device" Identifier "Card0" VendorName "ATI Technologies Inc" BoardName "Radeon Mobility M6 LY" Driver "radeon" BusID "PCI:1:0:0" EndSection

Section "Monitor" Identifier "Generic Monitor" Option "DPMS" EndSection

Section "Screen" Identifier "Default Screen" Device "Card0" Monitor "Generic Monitor" DefaultDepth 16 SubSection "Display" Depth 16 Modes "1024x768" EndSubSection EndSection

DRI

By default in the section of your screen, the DefaultDepth is 24 but X22 don't have enough video memory to enable this setting, change it to 16 and DRI will be ok. You just double your FPS under glxgears :D

Power saving

Reporting by powertop, gnome is not so good for battery life and ibm_acpi neither, maybe you have to choose between comfort and some shortcuts ...

http://www.linuxpowertop.org/known.php

Emulate wheel

In /etc/X11/xorg.conf

  Section "InputDevice"
       Option          "EmulateWheel"          "on"
       Option          "EmulateWheelButton"    "2"
       Option          "YAxisMapping"          "4 5"
  EndSection

Ubuntu 5.10, Breezy

Ubuntu 5.10 (Breezy) has problems with suspend to disk (hibernate) and suspend to ram (sleep) on the X22.

Suspend

However, Software Suspend 2 works well, and is fast enough to be a useful replacement for sleep. The following howto explains the installation process: http://ubuntuforums.org/showthread.php?t=75443

NOTE: during kernel configuration, in device drivers -> ata be sure to say N to 'generic/default IDE chipset support', and Y to 'Intel PIIXn chipsets support'. This will allow for much faster suspend.

To enable suspend by pressing FnF12 (instead of the power button recommended in the howto), edit /etc/acpi/events/ibm-hibernatebtn and change the action line to read

action=/usr/sbin/hibernate

Ubuntu 5.04, Hoary

Ubuntu 5.04 (Hoary) Just Works on the X22.

ACPI

However, ACPI suspend to ram is disabled by default. To enable it, edit /etc/default/acpi-support and uncomment the line ACPI_SLEEP=true This will allow suspend by pressing FnF4

By default, closing the lid blanks the screen, but does not suspend. To suspend on lid close, edit /etc/acpi/events/lidbtn and change the action line to read action=/etc/acpi/sleep.sh

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