After much searching I have a configuration manual for many of the Q' and U' cards produced by Plessey for the PDP11. I haven't started scanning yet, but if anyone needs a particular page, let me know. The list of pages is on:- http://www.ps8computing.co.uk/PDP11/plessey.htm Kevin Murrell ------------- www.savience.com www.studenthealth.co.uk