Patent ID: 8015326

Claim:
A information processing apparatus, comprising: a plurality of devices each of which stores data, accessed by using an address and replies the data when accessed; a plurality of system controllers that each connects to each of the plurality of devices, each includes configuration management table including a plurality of pairs of an address information and a bus information, each replies a bus information corresponding to an address included in an first access request by using the configuration management table, and each transfers the data from a device specified by the address included in a second access request; and a processor that connects to the plurality of system controllers via each of a plurality of buses, issues the first access request to one of the plurality of the system controllers, issues the second access request to a system controller via a bus specified by the bus information included in a reply of the first request from the one of the plurality to the system controllers, and receives the data transferred via the specified system controller from a device specified by the address included in the second access request.