A gas reclaiming system is disclosed. A spring-biased wedge block includes a first side wall and an opposing second side wall that is beveled with respect to the first side wall. The configuration process proceeds with each discrete choice now presented to the user not only with the price but also with the specific system performance impact of that item, such as showing a Frame Per Second indication. The expansion chamber and submersible motor are filled with motor oil. In another embodiment, the prefetch unit instructs the memory subsystem to mark the prefetched cache line for early, late, or normal eviction according to its cache line replacement policy based on the parameter value.