A system and method in accordance with the present invention allows for an adapter to be utilized in a server environment that can accommodate both a 10 G and a 1 G source utilizing the same pins. This is accomplished through the use of a high speed serializer/deserializer (high speed serdes) which can...http://www.google.es/patents/US7881332?utm_source=gb-gplus-sharePatente US7881332 - Configurable ports for a host ethernet adapter
