Yes, you can find detailed information about the Edison in its Hardware Guide. In case you are interested in the Arduino Expansion Board or the Mini Breakout Board, you can find more information about them in their hardware guides: http://www.intel.com/support/edison/sb/CS-035275.htm and http://www.intel.com/support/edison/sb/CS-035252.htm respectively.
Wow! That was super fast!
Thanks for the links, I'll check them!