Patent ID: 8190805

Claim:
A method for reconfiguring an information processing apparatus including system boards having a processing unit and a control unit, each system board belongs to one of partitions, and a system management unit for controlling the partitions, the method comprising: transmitting to all system boards a register setting request to set a value in a register that is included in the control unit for determining a priority of requests among a plurality of processing request sources to a predetermined value within the information processing apparatus by the system management unit, when a system board is added to or removed from any of the partitions; setting a register of a control unit of one of the system boards to the predetermined value as requested by the received register setting request when the system board that received the register setting request belongs to one of the partitions which a system board is added thereto or removed therefrom; and ignoring the received register setting request when the system board that received the register setting request does not belong to one of the partitions which a system board is added thereto or removed therefrom.