The present engine design can comprise one or more three-cylinder modules. Compounds of formula I and pharmaceutically acceptable salts or prodrugs thereof show activity as modulators of gluconeogenesis. For ease of manufacturing and a cost-effective assembly. It may not be used to interpret or limit the scope or meaning of the claims. A built-in self-test engine that generates addresses up to and including content of an address limiting register can be employed to limit the ROM access to a programmed part during testing in order to tolerate defects in any unused location. The mobile station has a corresponding mobile station identifier, and the user identifier is assigned to the mobile station identifier in the private network.