a friend of mine just booted Linux on an Intel 4004! (yes, the first microprocessor)
http://dmitry.gr/?r=05.Projects&proj=35.%20Linux4004
Dmitry.GR: Slowly booting full Linux on the intel 4004 for fun, art, and absolutely no profit
@tubetime damn. I've read through the entire documentation and I'm thoroughly impressed.
I'm also tempted to build one if I can find a 4040 or a 4004 for a good price!