It is mentioned on IBM's site: http://www-03.ibm.com/ibm/history/exhibits/pc/pc_9.html It talks to CICS: http://publib.boulder.ibm.com/infocenter/cicsts/v2r3/index.jsp?topic=/com.ib m.cics.ts23.doc/dfha4/dfha47e.htm They were made in Italy in 1983: http://www-03.ibm.com/ibm/history/exhibits/italy/italy_ch3.html and in Boca Raton: http://www-03.ibm.com/ibm/history/exhibits/vintage/vintage_4506VV8004.html It is also mentioned here as having been introduced in 1981: http://www-03.ibm.com/ibm/history/documents/pdf/1970-1984.pdf Flickr photo here from VCF: http://www.flickr.com/photos/mwichary/2282600489/ Old commercial: http://www.retrojunk.com/details_commercial/17275/ Advertisement: http://books.google.com/books?id=aWxr0DFnO5gC&pg=PA33&lpg=PA33&… datamaster&source=bl&ots=QF3pu63OnI&sig=Vm75Apq8RaAUdfrCAdgQYhbGIfs&hl=sv&ei =Wtk-TLOMFseHOIum9bcH&sa=X&oi=book_result&ct=result&resnum=9&ved=0CEUQ6AEwCD gK#v=onepage&q=%2Bibm%20%2Bdatamaster&f=false Other paper: http://www.angelfire.com/ms/cis/CIS29.System23.01.html Article from BYTE by one of the designers: http://www.krsaborio.net/ibm/research/1990/09.htm Reminiscences from another person involved in the project: http://www.chessin.com/paul/aftermath.html http://books.google.com/books?id=Mj0EAAAAMBAJ&pg=PA15&lpg=PA15&… datamaster&source=bl&ots=eOE4r_uCBs&sig=wdPGLs30043Rbs-6RtCAip8ZEVg&hl=sv&ei =I9s-TP-sJoOeOOa8ra8H&sa=X&oi=book_result&ct=result&resnum=2&ved=0CBkQ6AEwAT go#v=onepage&q=%2Bibm%20%2Bdatamaster&f=false Not very helpful if you want to get it running I am afraid, but at least some background info. /Jonas