A nozzle tip assembly and method characterized by the use of a retention device including at least one tab that cooperates with a ledge for coupling a nozzle shroud to a nozzle adaptor. A user, such as an original equipment manufacturer of personal computers or an information technology professional, selects a set of OS components from a plurality of OS components available in an installation OS image. Thus, conventional wirings and hand-welding can be eliminated to reduce the costs and enhance safety. Since the comparison of pointers is conducted without reading the ILDS, the optimal access method is determined prior to reading the ILDS, which improves pointer checking performance.