A planting module for planting a seed or a bulb in the earth includes the seed or bulb disposed in a dissoluble capsule so that after the module has been placed in the earth and water is supplied, the capsule disintegrates and the seed or bulb sprouts. Each blade server chassis has a plurality of server blades in communication with at least one switch. Shared channel space is divided into a number of communication slots that are repeated at a predetermined interval. The engaging portion includes a retaining section.