Advanced Micro Devices Inc teamed with 18 other companies to form the Advanced Networking Test Centre facility and programme for Fibre Distributed Data Interface local area network products at AMD’s base in Sunnyvale: the centre will test and certify that FDDI products for local area networks will operate together successfully in end-user installations using products from different vendors; others in the party are Cisco Systems Inc; Rockwell International-CMC; Codenoll Technology Corp; FiberCom Inc; Fibermux Corp/Sumitomo Electric Industries Ltd; Hewlett-Packard Co; In-Net Corp; Interphase Corp; Martin Marietta Aero & Naval Systems; Network Peripherals Inc; Network Systems Corp; Proteon Inc; Schneider & Koch Co Datensysteme GmbH; Sun Microsystems Inc; Synernetics Inc; SynOptics Communications Inc; Timeplex Inc, a Unisys company; and Tandem’s Ungermann-Bass unit.