I have the MK2 and this was my recent blog. The disks are available from the Amiga Resources site in Germany.
Never used it.
http://www.scuzzscink.com/amiga/scuzzblog_december19/scuzzblogddecember19_0601.htmPS If you are ever worried about mucking up your Workbench just make a copy of the Workbench on your Work volume, or simply copy say Prefs, Devs, S, Libs, L, System etc plus WBStartup making sure you copy your User-Startup and Startup and any drawers with your CD software in... but I just copy the whole of Workbench. And then if it all goes Buddha up all you do is copy the old Workbench back. Always worth having a copy of your Workbench anyway.