The present invention provides a unified layer for Plug and Play (PnP) components and power management components while relieving device drivers from system-level complexities associated with implementing PnP and/or power management functionality. The layer operates at a level between low-level device...http://www.google.co.uk/patents/US7308586?utm_source=gb-gplus-sharePatent US7308586 - Interlocked plug and play with power management for operating systems
