Boards in 2 GitHub repositories, designed in KiCad, that use the KSZ8463FRLI by Microchip Technology (-40℃~+85℃ 100Mbps 3.3V MII、RMII LQFP-64(10x10) Interface - Specialized ROHS). See how each wires it, with its parts, size, README and files; the KSZ8463FRLI’s symbol, footprint and pinout are on its own page.
oxidecomputer/hw-gimletlet
More full-featured breakout board for the STM32H7, including many expansion headers for daughter boards. In active use for Hubris development and as a Swiss Army Knife around the lab
oxidecomputer/hw-gimletlet-nic
Daughterboard for the Gimletlet 2 which uses a KSZ8463 to break out two ethernet (RJ-45) connectors. In active use for Hubris development.