Hitachi, Ltd.

Tetsuo Hiramitsu

Hideki Osaka

Tsutomu Hara

Tsunehiro Tobita

Takashi Moriyama

Shinichi Suzuki

Masahide Tsuboi

Mihoko Kudou

Yoshitsugu Ichieda

Hiroyuki Hodo

In an information processing system having a bus bridge connected between a plurality of buses for data transfer therebetween, the bus bridge is provided with a RAS data acquisition bus operating independently from the plurality of buses and a RAS data acquisition circuit for acquiring RAS data, the RAS data acquisition circuit acquires RAS data in the bus bridge or RAS data of a processor or an I/O device on a bus connected to the bus bridge, in response to a command supplied from an external circuit via the RAS data acquisition bus. The RAS data acquisition circuit sends the acquired RAS data to the external circuit via the RAS data acquisition bus.

Data processing system with RAS data acquisition function

Information processor and method of its component arrangement

Growing community of inventors

Owariasahi, Japan

Tetsuo Hiramitsu