The priming or conditioning of an AC gas discharge plasma display panel for improved selective write and selective erase which comprises addressing n number of rows in an order or sequence that is changed from frame to frame such that later rows to be addressed are advanced in the sequence with each subsequent frame. In a disc drive data storage area of sectors, user spare sectors are located not at the end of a track, a cylinder, or a segment but at the end of the data storage area. The temperature change may occur as a result of cooling of the component after the welding process. A plurality of extension pieces upwardly extend from both sides of the frame. by turning the phone off, changing the ringer’s pitch, or placing the phone in a vibrate mode.