Xerox Alto's 3 Mb/s Ethernet:

Drew_Fustini_pdp7 (Drew Fustini (pdp7)) January 10, 2018, 5:03am 1

Xerox Alto’s 3 Mb/s Ethernet: Building a gateway with a BeagleBone
http://www.righto.com/2018/01/xerox-altos-3-mbs-ethernet-building.html