Intel's efforts are focused on the launch of the first Penryn chips later this year.Following the launch of Intel's quad-core Xeon 7300 processor on Wednesday, the company's efforts are now focused on preparations for the rollout of its first Penryn chips later this year. And there are signs the company is planning an early 2008 release of its Silverthorne chip for ultramobile PCs and handheld devices.