Toshiba has a site dedicated to using Linux on their Laptops:
http://linux.toshiba-dme.co.jp/linux/index.htm

Toshiba supports the Linux community with the TOSHIBA Digital Media Engineering Corporation’s Linux support portal.

This portal offers links to both Toshiba and 3rd-party sources for end-user and developer support for the Linux operating system on Toshiba portable PCs.