A power and power management signaling circuit in a network interface card (NIC) for all known Wake On LAN PCI bus configurations includes a single voltage regulator together with connections to a network-initiated power management recovery signal MPT—PMEN from the network interface, power management...http://www.google.com/patents/US6952784?utm_source=gb-gplus-sharePatent US6952784 - Multi-source power switching circuit for Wake On LAN ethernet application
