http://sebacatalano.altervista.org/Files/Config2.6
http://www.andybotting.com/mediawiki/images/5/5f/Config-2.6.16-rc1-powerbook58.txt
http://pc.freeshell.org/ibook/config-2.6.16.txt
http://gentoo-wiki.com/HOWTO_Install_Gentoo_On_an_AlBook_G4#Kernel_Configuration