Thats because the link you used to download the image is probably a modified backup image, not a clean image so the setup wizard doesnt appear. I will see if I can get a clean non-backup image uploaded for you later today.
The original DBUK 2.1.2 image can be used, but you MUST flash clone bootlaoder SSL 84b to the box first, then the image, then reflash SSL84b before rebooting.