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.
$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.