http://blogs.msdn.com/b/peterwie/archive/2008/10/21/new-kmdf-white-paper-out-on-writing-a-bus-driver.aspxPenny Orwick has been working on a white paper that talks abut using KMDF to write a bus driver.  It’s been stalled waiting for us lazy developers to review it, but it finally came out last night: http://www.microsoft.com/whdc/driver/wdf/KMDFBusDrvenTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)