Jeff Atwood op Twitter: "I just noticed that PC I sold had a PS/2 port on the back. And a brand new Ryzen build I just made .. also had a PS/2
Amazon.com: JXSZ PCI-Express to 2xPS2 PS/2 Keyboard and Mouse Port Expansion Card Without USB Ports : Electronics
ASUS ROG Strix B450-F Gaming II AMD AM4 Motherboard - Newegg.com
Amazon.com: JXSZ PCI 32bit to 2xUSB 2.0+2xPS2 PS/2 Port for PC Keyboard Mouse Combo Adapter Card : Electronics
Do you remember the PS/2 port on your keyboard? Why is it not used?
IOGEAR 8-Port USB PS/2 Combo VGA KVM Switch with USB KVM Cables - TAA Compliant, 8x USB KVM Cables, 1 Local User, Rack-mountable, TAA Compliant - GCS1808KITU at TigerDirect.com