There is provided an information processing apparatus having a setting unit for setting an instruction for an inquiry of the capacity of a memory on a data destination side, and a transfer unit for transferring the instruction set by the setting unit to an external apparatus. A first and a second N-type epitaxial silicon layers are stacked on a P-type single crystalline silicon substrate, and P-type well regions are formed in the second epitaxial silicon layer. The carrier bridge and rocker body subassembly is attached to a pocket in a bezel for pivotal movement about an axis that is perpendicular to the axis about which the rocker body pivots relative to the carrier bridge.