Installing Ubuntu/Breezy on a ThinkPad T42

Generel installation

Here comes installation instructions for Ubuntu Breezy Badger on T42 2374-ZEP.

Get a copy of Ubuntu from UbuntuLinux.org.

Kernel support

How to get the correct kernel: {{{2}}} sudo apt-get linux-i686

Kernel modules

TODO	Load the different kernel modules, and their configuration

Importent to turn off dynamicClocks in radeonfb in kernels before 2.6.14: /etc/modprobe.d/radeonfb.modprobe:

options radeonfb default_dynclk=-1

ibm_acpi module:

Turning on experimental features: /etc/modprobe.d/ibm_acpi.modprobe:

options ibm_acpi hotkey=enable,0xff9f experimental=1

Starting with wireless off: /etc/modprobe.d/ipw2100.modprobe:

options ipw2100 disable=1

ACPI

TODO	Hibernate, suspend, buttons, lid, speedstep

Modification to turn on wireless: /etc/acpi/wireless.sh:

#!/bin/bash
# Find and enable/disable wireless devices

for DEVICE in /sys/class/net/*; do
    if [ -d $DEVICE/wireless ]; then
# $DEVICE is a wireless device. Check if it's powered on:
	if [ `cat $DEVICE/device/power/state` = 0 ]; then
# It's powered on. Switch it off.
	    echo -n 3 > $DEVICE/device/power/state;
	    echo 0
	else
# It's powered off. Switch it on.
	    echo -n 0 > $DEVICE/device/power/state;
	    echo -n 0 > $DEVICE/device/rf_kill;
	    echo 1
	fi
    fi
done

Xorg

Relevant part:

Section "InputDevice"
	Identifier	"Configured Mouse"
	Driver		"mouse"
	Option		"CorePointer"
	Option		"Device"		"/dev/input/mice"
	Option		"Protocol"		"ImPS/2"
	Option		"Emulate3Buttons"	"true"
	Option		"EmulateWheel"		"true"
	Option		"EmulateWheelButton"	"2"
	Option		"ZAxisMapping"		"4 5"
EndSection

Section "InputDevice"
	Identifier	"Synaptics Touchpad"
	Driver		"synaptics"
	Option		"SendCoreEvents"	"true"
	Option		"Device"		"/dev/psaux"
	Option		"Protocol"		"auto-dev"
	Option		"HorizScrollDelta"	"0"
EndSection

Section "Device"
	Identifier	"ATI Technologies, Inc. Radeon Mobility 7500 (M7 LW)"
	Driver		"radeon"
	BusID		"PCI:1:0:0"
	Option		"DynamicClocks"	"off"
	Option		"AGPMode"	"4"
	Option		"AGPFastWrite"	"yes"
EndSection

ATTENTION!

Options DynamicClocks "on" may hang your machine

Initng

TODO	Speed up the boot/shutdown process with Initng

Very great initiative for optimizing the boot process. Initng

Dep packages can be found: http://alioth.debian.org/projects/pkg-initng/

Helpfull tools

TODO	rovclock among others

Known problems

TODO	List of bugs from kernel, Xorg and Ubuntu