Interface management techniques provide reduced power consumption along with reducing heat and EMI generation in a computer system having multiple interconnected processing units. The position of a semiconductor substrate mounted on and secured to a substrate support plate in an HDP-CVD system is adjusted in the vertical direction, whereby a second HDP-CVD oxide film is deposited so that voids are formed between aluminum interconnections at lower positions than the height of the aluminum interconnections. Illustratively, each user system is embodied as a replication client, while each target storage system is embodied as a replication server. Moreover, one piece of category information is determined out of the category information. Upon activation of the movement resisting means the one or more predetermined regions are caused to assume a substantially rigid configuration and thereby partially or substantially support andor immobilize of at least a portion of the spine of the wearer. By this method, the power consumption of the receiver can be saved in the zapping mode.