We tried dual booting my N810Wimax but the default initfs kept crashing with the error:
wimax initAlso, you couldn't use the direction pad to select any options in the menu. Thankfully my friend Brian was able to fix the problem. linuxrc needed a few hacks and the applications fb_update_mode and evkey needed to be added to /usr/bin
Bootmenu needed to be patched to correctly set the memory card location. The mmc cards change numbers during boot, which can be confusing.