Installing Gentoo on a ThinkPad X40

kernel compilation

ipw2200 driver (intel wireless nic)

don't forget to compile it as a module : http://bugs.gentoo.org/202557

zen kernel

tuxonice compression

cf http://en.gentoo-wiki.com/wiki/TuxOnIce :
select lzo compression in "make menuconfig"
change tuxonice.conf accordingly

Tips

laptop_mode and other power management tips

http://www.gentoo.org/doc/en/power-management-guide.xml

CPU Undervolting

There is a gentoo overlay by Michael Weber for phc_intel and phctool : http://bugs.gentoo.org/show_bug.cgi?id=283472
(exploration notes : the phc kernel patch is included in sys-kernel/zen-sources see also : http://zen-kernel.org/included-code and http://forums.gentoo.org/viewtopic-t-805069.html )

External Sources

• Installation tutorial (German)
• x40 Installation tutorial using acpi (German)