Is possible to boot system from SD card on Cubieboard. The cpu will try to boot from SD card first. If failed, the CPU will boot from Nand on board. This feature is very useful. We can install Android on Nand for entertainment, and install different Linux Distros on SD card for work/learning.

Downloads

cb-sdcard-lubuntu-linaro-quantal-alip-20130227-290.img.tar.bz
Also we can find lots of other SD card image from community.

Write to SD card

  $gzip -d cb-sdcard-lubuntu-linaro-quantal-alip-20130227-290.img.tar.bz
  $dd if=cb-sdcard-lubuntu-linaro-quantal-alip-20130227-290.img of=/dev/sdX bs=1M
  $sync

Please replace the /dev/sdX with your SD card on your system.