An air-intake structure around a front grille for a vehicle in which an engine radiator is disposed at a front part of the body of a vehicle, and a front of the engine radiator is covered with the front grille. The chip is placed on the substrate. Examples of such instructions include writing of data units without linking to a queue, re-sequencing of the data units relative to one another without moving the data units in memory, and linking the previously-written data units to a queue.