Abstract: Disclosed herein is an adhesive- and fastener-free footing pad including a pad seat located in the bottom of a housing, a protrudent ring corresponding to the circumference of the pad seat forward on the housing and a footing pad. The pad seat has a circular block, the footing pad has a plurality of claw elements each with a reserve hook so that when the footing pad is installed, the reserves hooks are retained by the circular block, and the footing pad is positioned by the protrudent ring to secure the footing pad to the pad seat firmly. Such a design can prevent displacement of the footing pad after its installation, and can withstand a considerable thrust.

Abstract: An interface slot and speaker seat structure for a mother board wherein the structure includes a fixing frame provided with a plurality of spaced left and right trapezoid blocks, with adjacent blocks being provided with corresponding elastic retainers and defining a slot therebetween having elastic elements for securely holding an interface. The fixing frame also includes a speaker seat for holding a speaker, and both positioning hooks and tabs are provided for engaging corresponding slots and holes formed in a computer frame for attaching the fixing frame to the computer frame without requiring fasteners.