On 25/05/2014 01:36, St?phane Tsacas wrote: That brings back memories. When I worked at Bidston Observatory we had many racks on CAMAC. http://www.liverpoolconfidential.co.uk/News-and-Comment/Bidston-Observatory… http://tardis.dl.ac.uk/computing_history/pdp-1105.html which we used to build HASP work stations, media conversion systems (card to tape etc), terminal concentrators etc. I don't remember any boards like that. Our LSI interfaces had a standard DEC 2-board set in them, with I think a q-bus to CAMAC converter. Does that make sense? Dave G4UGM