A starting method of an engine wherein a fuel is directly injected into a combustion chamber, the engine having a starter for starting up the engine, the starting method including the steps of actuating the starter and injecting a fuel in a compression stroke when the starter is actuated. A stress reducing circuit is connected to at least one of the plurality of transistors to equalize a voltage drop across the plurality of transistors. The system MMU includes a set of hardware resources. The insulating layer is formed on the metal plate.