Described is a loudspeaker enclosure arrangement that reduces, by a large degree, internal acoustic reflections, enclosure vibrations, and diffraction off the surfaces and edges of the loudspeaker enclosure. The control circuit is configured for receiving a startup signal during turning on the motherboard. The guidewire apparatus comprises a hollow shaft movably disposed about a core wire and, optionally, a slippery liner interfitted there between. Embodiments of the memory cell are adapted to store multiple bits of data per cell andor adapted for programming more than one time without an erase process. The first conduction terminal being in contact with said metal frame and comprising at least an intermediate frame arranged in contact with said second conduction terminal. The disk drive test slot thermal control system also includes a cooling conduit, and a thermoelectric device mounted to the cooling conduit.