here is a couple Links for UBUNTU 12.04 NON-PAE Install. I Have personally only Tested the one from people.canonical.com. Installs & works just like Regular Ubuntu 12.04
here the article with Links. I will also Post Links.
Article Here:
http://www.wilderssecurity.com/showthread.php?t=323210

Downloads Here:
http://people.canonical.com/~diwic/1...386-nonpae.iso
http://dl.dropbox.com/u/1286502/ubun...386-nonpae.iso