Installing Ubuntu on a ThinkPad X31
Preface
I installed hoary (Ubuntu "unstable") because of some specific needs. Netherless, this article should apply to Ubuntu Ubuntu 4.10 "The Warty Warthog" too.
Installing without cdrom or floppy
Follow the instructions at UbuntuSupport: Netboot remarks
Choosing between APM and ACPI
Right now there is a crucial feature not working with ACPI: suspend to ram does not switch off the LCD backlight. Ubuntu ships ACPI enabled, but without syspend to disk configuration. In effect shere ist no working suspend solution working out of the box.