A process for preparing bisallylboranes of the formula by reacting a diene with sodium borohydride in the presence of an oxidant . The power saving method for a semiconductor memory including the steps of receiving a plurality of address codes, each of which has a first part code and a second part code; and activating a first boost process when the first part code of a currently received address code is different from the first part code of a last received address code, otherwise a second boost process is activated. Using the electronic account, electronic services can be provided to the customer at either the electronic or physical address, or both. The operation mechanism includes a synchronization member having an operation member. Encapsulating material surrounds the mounted chips in low profile.