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

Fan Control : http://en.gentoo-wiki.com/wiki/Lenovo_Thinkpad_T61#Fan_control

CPU Undervolting

There is a gentoo overlay by Michael Weber for phc_intel and phctool : http://bugs.gentoo.org/show_bug.cgi?id=283472 (but the original package from http://www.linux-phc.org/forum/viewtopic.php?f=13&t=2 is easy to install)
(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 )

x11 with x11-drivers/xf86-video-intel-2.9.1 crashing the machine

Apparently solved with x11-drivers/xf86-video-intel-2.11.0 : http://forums.gentoo.org/viewtopic-t-803621.html

External Sources

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