An exemplary memory subsystem with fault isolation comprises a first data bus routing data groupings in a lower 72 bits to a first memory expander, and a second data bus routing data groupings in an upper 72 bits to a second memory expander. A first memory module receives all of the data groupings in...http://www.google.com.tw/patents/US20090193316?utm_source=gb-gplus-share專利 US20090193316 - MEMORY SUBSYSTEMS WITH FAULT ISOLATION
