nVidia nForce 430 (MCP51 / RTL8201CL) and SME Server 8.0: working!

Lately, my home network started showing more and more signs of aging. Accessing websites was erratic, whether via wired computers or wireless devices. WiFi clients (which for some reason have almost exploded in number over time) couldn’t reliably connect, causing shouts of “Daddy, the Internet is down!” with regular occurrence, coming from various bedrooms. Something