Finally done: The Olimex Olinuxino-A20-Micro board
alexis now u-boots from its microSD card (4GB) into
its 120GB SolidState"Disk". The SSD is GPT-partitioned, with
/dev/sda1 19G 6.1G 12G 35% /
/dev/sda2 9.2G 593M 8.2G 7% /var
used for the Debian Wheezy system. 90GB reserved for other systems.