i install cubian A10 on sdcard.
then run cubian-nandinstall.
but board refused to start up.
the problem is uEnv.txt
root not setted to root=/dev/nandb.
i manually boot with sdcard.
mount /dev/nandb to /mnt.
edit /mnt/boot/uEnv.txt.
and set root to /dev/nandb.
and then problem was fixed.
and cubi board boot up with nand
i install cubian A10 on sdcard. then run cubian-nandinstall. but board refused to start up. the problem is uEnv.txt root not setted to root=/dev/nandb. i manually boot with sdcard. mount /dev/nandb to /mnt. edit /mnt/boot/uEnv.txt. and set root to /dev/nandb. and then problem was fixed. and cubi board boot up with nand