That is a very interesting use of a BeagleBone. He made an interface to the Alto's 3Mbit/sec Ethernet using the BeagleBone's PRU (a programmable real-time unit

That is a very interesting use of a BeagleBone. He made an interface to the Alto's 3Mbit/sec Ethernet using the BeagleBone's PRU (a programmable real-time unit of which I believe it has two). Someone also used the PRU to build a video card for a Macintosh SE: https://hackaday.com/2014/02/05/the-30th-anniversary-macintosh/ https://hackaday.com/2014/02/05/the-30th-anniversary-macinto...