Methods and apparatus for a memory system using a new memory module architecture are disclosed. In one embodiment, the memory module has two ranks of memory devices, each rank connected to a corresponding one of two 64-bit-wide data registers. The data registers connect to two 64-bit-wide ports of a...http://www.google.de/patents/US7024518?utm_source=gb-gplus-sharePatent US7024518 - Dual-port buffer-to-memory interface
