iBall / Spacewriter DSN lookup

Hello you have likely found you way to this page from the Nottingham Hackspace Google post Anyone got an iBall / spacewriter LED sphere with software?
This page is a way to look-up the Device Serial Number (DSN) needed by the SDE software.
The number you need is located inside the iBall written by hand on top of IC1, see the picture below for an example.

setup300.zip and sde_help.pdf can be found here.
Spacial display editor software serial:- 1026 CCE9 FBFD FBD8 (according to this post)