Attribution for this board that must be with any copy of the design: MFM disk emulator and reader created by David Gesswein. Web site http://www.pdp8online.com/mfm/

Original BeagleBone symbol from https://github.com/piranha32/FlyingBone FlyingBone by Jacek Radzikowski is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.

I think I may have used a symbol from https://github.com/upverter/schematic-file-converter/tree/master/upconvert/library/kicad Apache License, Version 2.0

Beaglebone 3d model attribution: Made available by Logic Supply based on information from BeagleBoard.org. Visit Logic Supply to buy the BeagleBone Black and accessories at http://www.logicsupply.com/products/bb_bblk_000 Follow us on Google+ for updates and more information: https://plus.google.com/u/0/b/103613886667848850929/ Designed by Rodney Hill and Hans Brakeley for Logic Supply. Creative Commons Attribution 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/3.0/.