Difference between revisions of "Installing Ubuntu on a ThinkPad X31"
| Line 1: | Line 1: | ||
===Preface=== | ===Preface=== | ||
| − | I installed hoary ([Ubuntu] "unstable") because of some specific needs. Netherless, | + | I installed hoary ([[Ubuntu]] "unstable") because of some specific needs. Netherless, |
this article should apply to Ubuntu 4.10 "The Warty Warthog" too. | this article should apply to Ubuntu 4.10 "The Warty Warthog" too. | ||
| Line 6: | Line 6: | ||
Right now there is a crucial feature not working with ACPI on linux (2.6.9): suspend to ram does not switch off the LCD backlight. | Right now there is a crucial feature not working with ACPI on linux (2.6.9): suspend to ram does not switch off the LCD backlight. | ||
| − | Ubuntu ships ACPI enabled, but without | + | Ubuntu ships with ACPI enabled, but without ACPI suspend-to-disk being configured. In effect suspend is not working out of the box. |
| − | working out of the box. | ||
Simply disableing ACPI at boottime activates APM which works fine with suspend to ram and suspend to disk. | Simply disableing ACPI at boottime activates APM which works fine with suspend to ram and suspend to disk. | ||
Revision as of 01:02, 6 December 2004
Contents
Preface
I installed hoary (Ubuntu "unstable") because of some specific needs. Netherless, this article should apply to Ubuntu 4.10 "The Warty Warthog" too.
Choosing between APM and ACPI
Right now there is a crucial feature not working with ACPI on linux (2.6.9): suspend to ram does not switch off the LCD backlight. Ubuntu ships with ACPI enabled, but without ACPI suspend-to-disk being configured. In effect suspend is not working out of the box.
Simply disableing ACPI at boottime activates APM which works fine with suspend to ram and suspend to disk.
APM based suspend to disk needs a save2disk.img hibernation file on FAT16. See below.
Installing without cdrom or floppy
Follow the instructions at UbuntuSupport: Netboot remarks
Disableing ACPI
To disable ACPI an activate APM boot your kernel with acpi=off
...describe how to edit /boot/grub/menu.lst...
Creating a APM hibernation file
Use tphdisk utility to create a save2disk.img file on a hidden FAT16 partition,
