Thinkpad (IBM/lenovo)
http://www.thinkwiki.org/wiki/ThinkWiki
Maintenance -
https://www.thinkwiki.org/wiki/Maintenance
Hardware Hacking -
https://www.thinkwiki.org/wiki/Hardware_Hacking
Component and AddOns -
https://www.thinkwiki.org/wiki/Components_and_AddOns
Modded BIOS
https://www.thinkwiki.org/wiki/Middleton%27s_BIOS
https://notabug.org/Velsoth/x220-coreboot
https://1vyra.in/