A system and method for system and method for multiplexing control and data channels in a multiple input, multiple output communications system are provided. In one embodiment, a disk drive assembly includes a baseplate having a sidewall disposed about a periphery of the baseplate. Preferably, the step garnish has a plurality of ribs extending in the length of the vehicle; each rib has clip portions for attaching the step garnish to the floor panel; and the sensor is positioned between two of the ribs. The heating elements and the protecting layer are formed on the disk-facing surface of the slider.