Difference between revisions of "Installing Ubuntu on a ThinkPad X31"

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Ubuntu ships ACPI enabled, but without syspend to disk configuration. In effect there ist no working suspend solution
 
Ubuntu ships ACPI enabled, but without syspend to disk configuration. In effect there ist no working suspend solution
 
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.
  
 +
APM based suspend to disk needs a save2disk.img hibernation file on FAT16. See below.
 
===Installing without cdrom or floppy===
 
===Installing without cdrom or floppy===
  
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  ...describe how to edit /boot/grub/menu.lst...
 
  ...describe how to edit /boot/grub/menu.lst...
  
 +
===Creating APM hibernation file===
  
 
+
Use [tphdisk] utility to create a save2disk.img file on a hidden FAT16 partition,
  
 
[[Category:X31]] [[Category:Ubuntu]]
 
[[Category:X31]] [[Category:Ubuntu]]

Revision as of 23:54, 5 December 2004

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 ACPI enabled, but without syspend to disk configuration. In effect there ist no working suspend solution 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 APM hibernation file

Use [tphdisk] utility to create a save2disk.img file on a hidden FAT16 partition,