"As IBM continued to show price/performance leadership in the Unix server space with its dual-core Power4 processors, and HP and Sun Microsystems readied their own dual-core RISC processors, Intel had a conversion of sorts, it killed off Chivano and pushed out the "Montecito" kickers to the Madisons to 2005, but decided to make them a dual-core chip, thereby getting dual-core processors to market almost a year earlier than planned."