I have found some interesting news on the internet. Somebody made it possible to run Arc Linux natively on the N900.

He made DSP and battery charging possible, so we need to work together to create a linux distro that runs perfectly on our sweet N900.

http://dismantle-it.blogspot.com/201...okia-n900.html

https://bbs.archlinux.org/viewtopic.php?pid=1043492