

Well, you could get this to go to PS/2: https://www.cableleader.com/6-din5-female-to-mini-din6-male-at-to-ps-2-keyboard-adapter-cable.html
Then this to get from PS/2 to USB if you need to: https://www.cableleader.com/usb-type-a-male-to-ps2-6-pin-female-converter-for-logitech.html
So glad I was not the only one who saw that and immediately heard “Mike Wazowski!” in my head.