Phoenix Technologies Ltd is an American company that designs, develops and supports core system software for personal computers and other computing devices. The companys products – commonly referred to as BIOS (Basic Input/Output System) or firmware – support and enable the compatibility, connectivity, security and management of the various components and technologies used in such devices. Phoenix Technologies and IBM developed the El Torito standard. Phoenix was incorporated in Massachusetts in September 1979, and its headquarters are in Campbell, California. Phoenix sells its products primarily to computer and component device manufacturers. The company also provides training, consulting, maintenance and engineering services to its customers.