A ZIF socket includes a base, a cover movably mounted on the base, a plurality of contacts received in the base, and a cam mechanism engaged with the cover and the base. The filter assembly, has porous filter plate elements, connected with each other on their outer as well as on their inner peripheries, forming in pairs as filter pockets. The data prefetch request is transmitted to a memory hierarchy to prefetch the selected amount of data into cache memory. The light source module is disposed beside the reflective optical film. The furcation assembly is attached to the splice assembly and includes a fan-out structure and first and second locks. During the performance of the one or more finishing steps, core segments may be transferred to a core block attached to the first rack.