SAN JOSE, California -- For the first time in five years, Intel Corp. will make a major change in the plumbing of its chips by switching to a new design that promises better performance and lower power consumption than today's Pentium 4. The world's largest chip maker will announce the architecture this month at a conference in San Francisco, spokesman Bill Calder said Thursday. Chips based on the new architecture are expected to debut in the second half of 2006. The technology will replace the Netburst architecture that appeared in late 2000 with the Pentium 4 and enabled a...