In a computer system having a device and a communications link for communicating with the device. The method includes forming a nitride layer over a boundary region between a device isolation region and a pixel region, forming a silicide barrier layer in the pixel region and performing a silicide process. A feed portion is perpendicular to the slot portion and crosses over the slot portion. The individual source regions are absent small radius fingertip regions. A logic core is at the center, where the logic core operates the serial and parallel data ports, and the bus that connects the data ports. an OLRC in a first DLC at level L making local point-to-point connections to an ILRC in a second DLC at level L+1.