Macrumors article: http://www.macrumors.com/2012/02/19/photo-of-ipad-3-logic-board-with-a5x-system-on-a-chip/
So, if I believe a rumor of a rumor, this could be the board for the 'smaller' iPad, couldn't it? If it's actually the iPad 3 part, I'm slightly disappointed.