Lenovo ThinkPad T400

A Lenovo ThinkPad with libreboot support.

Installation
(Write the necessary steps to get Gentoo onto this system. Try to document any special step that each user will need to reproduce on their system. Includes getting special drivers or firmware from a manufacturer website, etc.)

Kernel
(Show what options are necessary in the kernel in order to get all device components functional for this hardware platform.)

Emerge
Install the ThinkPad SMAPI BIOS driver

Video
For detailed graphics card configuration follow the Intel wiki article. The video card can be found out following way:

VendorId: 8086 DeviceId: 2a42

The VendorID: 8086 says it is a Intel Chipset, and DeviceID 2a42 defines the VGA Controller as a GMA 4500MHD graphics, and a GM45 chipset.
 * https://en.wikipedia.org/wiki/List_of_Intel_graphics_processing_units#Fourth_generation

External resources

 * https://support.lenovo.com/us/en/documents/pd005598
 * https://wiki.archlinux.org/index.php/Lenovo_ThinkPad_T400s
 * http://www.thinkwiki.org/wiki/Install_Gentoo_on_a_Thinkpad_T400
 * http://www.thinkwiki.org/wiki/Category:Gentoo