USB to PS2 Adapter,PS2 Keyboard and Mouse to USB Converter Cables, for Keyboard and Mouse, Plug-and-Play,No driver required: Amazon.co.uk: Computers & Accessories
SANOXY USB to Dual PS2 Keyboard Adapter for Keyboard, Mouse SANOXY-VNDR-Dual-pS2-blu-2port - The Home Depot
Mouse support and other PS/2 shenanigans – SnowflakeOS's blog