A memory hub for a memory module having a DMA engine for performing DMA operations in system memory. The memory hub includes a link interface for receiving memory requests for access at least one of the memory devices of the system memory, and further including a memory device interface for coupling...http://www.google.ca/patents/US8209445?utm_source=gb-gplus-sharePatent US8209445 - Apparatus and method for direct memory access in a hub-based memory system
