Agree about Varian trademark. In 1937 the Varian brothers developed the Klystron tube. In 1965 Eitel-McCullough (EIMAC) merged with Varian Associates, but in 1995 the EIMAC division was ?spun off? (now part of CPI). In 1999, the company was reorganized into three distinct businesses: Varian Medical Systems Inc., Varian Semiconductor Equipment Associates Inc., and Varian, Inc. == The Card Edge connectors on motherboard are Sullins Connector Solutions, Inc. http://sullinscorp.com/catalog/ MPS-0125-50-DW-5H Edge Card Catalog http://www.sullinscorp.com/pdfs/edgcards-catalog.pdf Card Edge Connector, 100 Contact(s), 2 Row(s), Straight, 0.125 inch Pitch, .025? Square Wire Wrap - .610? Insulator Height, Blue Insulator, Raised with .125? Clearance Holes, .190? Contact Length for .025? Square. === For reference purposes, S-100 motherboards use Sullins EBA50DCSD . https://www.digikey.com/product-detail/en/sullins-connector-solutions/EBA50… Greg chicago Sent from iPad Air