A punch down tool, a receiver for a punch down tool, and a work end adapter for a punch down tool, for terminating electrical conductors and turning fasteners, are disclosed. A search unit accesses the storage device to search a history of a first operation for inputting a parameter and a history of a second operation performed after the first operation. The non-productive mixing steps themselves are comprised of at least one preliminary non-productive mixing step followed by a final non-productive mixing step. These reflections are located at the L2 cache, and each reflection contains addresses for stores in a corresponding store buffer associated with an L1 cache, and possibly contains data that was overwritten by the stores.