US Patent 7989946 Multimode signaling on decoupled input/output and power channels

A multimode system with at least two end points may include a multimode signaling path that, in some embodiments, is a multimode cable or a multimode board and is pluggably connectable to packages at each end point. Each end point may include a processor die package coupled to a socket. The socket may also receive a connector that couples the cable to the package. Power supply signals and input/output signals may be decoupled at each end point.