Patent ID: 7545822

Claim:
An information communication system connectable to serial buses via a serial bridge, wherein the serial bridge comprises: at least two portals respectively connected to different serial buses; a registration table for registering serial bus specifying information and information of a connected node for each connected serial bus; a monitoring unit constructed to monitor bus reset on the serial bus connected to each portal; and a re-registration unit constructed to, when said monitoring unit detects bus reset, rewrite contents of the registration table corresponding to the serial bus on which bus reset is detected in accordance with newly updated node information, wherein a change in system configuration can be recognized from the updated registration table, and wherein the serial bridge further comprises a communication management unit configured to manage a communication state of the connected node for each connected serial bus, and when said monitoring unit detects bus reset, said monitoring unit notifies, of re-registration, a node rewritten by said re-registration unit and the connected node for each connected serial bus having a communication state managed by said communication management unit.