An assembly includes a chip including an integrated circuit, a casing including an integrated circuit and having an upper portion formed on a side of the chip and lower portion formed on another side of the chip, plural through-wafer vias (TWVs) for electrically connecting the integrated circuit of the chip and the integrated circuit of the casing, a system board configured to be electrically connected to the casing, and upper and lower cards connected to the casing for electrically connecting the casing to the system board.