A method for producing a DIMM having a reduced memory capacity. The method includes determining an amount by which a memory capacity of a DIMM can be reduced, and reducing the memory capacity of the DIMM in accordance with the determined amount to produce a DIMM having a reduced memory capacity which is available for use and a dormant memory capacity which is not available for use. A DIMM produced in accordance with the method. A computer assembly having a computer, and a DIMM disposed in the computer and having reduced memory capacity