In one embodiment, the present invention includes an apparatus having a first interface to process data for communication according to at least first and second protocols, a second interface to process data for communication according to at least the first and second protocols, and a common buffer coupled to the first and second interfaces to temporarily store the data. In another embodiment, a passive interposer includes at least one interconnect. The passive interposer can be coupled to an unpopulated socket of a system to route signals from a first processor to a device coupled to the unpopulated socket. Other embodiments are described and claimed.