Amazon.com: SANOXY PS2 Keyboard to USB Adapter : Electronics
Amazon.com: GELRHONR USB to PS2 Cable,Dual PS2 Plug Active USB to PS2 Adapter Converter for Keyboard Mouse Bar Code Scanner-Black : Electronics
KMU2P - USB K/M to PS/2 Converter - USB keyboard & mouse to control native PS/2
PS/2 to USB Active Keyboard and Mouse Adapter
StarTech.com Replacement USB Keyboard to PS2 Adapter FM USB keyboard to PS2 Adapter USB to PS2 Adapter GC46FMKEY Keyboard adapter USB F to PS2 M - Office Depot
PS/2 to USB Keyboard and Mouse Adapter - Keyboard / mouse adapter - USB - KVM Switches | Server Management | StarTech.com
PERIPRO-401 - PS/2-USB Adapter for Keyboard and Mouse – Perixx USA
USB to PS2 Keyboard & Mouse -- DataPro
Miniature Keyboard- Microcontroller-Friendly PS/2 and USB : ID 857 : $29.95 : Adafruit Industries, Unique & fun DIY electronics and kits