Inform writes to inform a controller of availability of a plurality of replacement data buffers are optimally batched as a single message. Batching the inform writes lets the controller maintain control of a bus, thereby letting the controller continue with input operations with less interruption, while...http://www.google.de/patents/US6785751?utm_source=gb-gplus-sharePatent US6785751 - Method and apparatus for minimizing bus contention for I/O controller write operations
