i am a tad confused.
pins labeled do not connect in various raspberry pi documents, including the pi users guide by upton and halfacre, are labelled variously as 5v, 3.3v and ground on your boards. the user guide promises dire consequences should anything be connected to these pins.
where lies the truth?
"If I had known it was harmless, I would have killed it myself." - Phillip K. Dick, A Scanner Darkly