PS/2 Keyboard+Mouse to USB adapter : ID 971 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
C2G USB to PS2 Adapter 1 x 6 pin Mini DIN PS2 KeyboardMouse Male 1 x 4 pin Type A USB Female Green - Office Depot
PS/2 to USB Keyboard Adapter
Amazon.com: StarTech.com Replacement PS/2 Keyboard to USB Adapter - F/M - Keyboard adapter - PS/2 (F) to USB (M) - GC46MFKEY, Purple : 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
USB to PS/2 Adapter for Keyboard and Mouse | Eaton
Amazon.com: Perixx PERIPRO-401 PS2 to USB Adapter for Keyboard and Mouse - Built-in USB Controller - Black : Electronics
SANOXY USB to Dual PS2 Keyboard Adapter for Keyboard, Mouse SANOXY-VNDR-Dual-pS2-blu-2port - The Home Depot
SANOXY PS2 Keyboard to USB Adapter - Walmart.com
Amazon.com: PS2 to USB Female,PS/2 Male Converter Changer Adapter for Keyboard Mouse 2pcs by Oxusbor(Notice:Can't Match All Motherboard,Have Matching Problem) : Electronics
Amazon.com: StarTech.com USB to PS/2 Adapter for Keyboard and Mouse - Keyboard / mouse adapter - USB - USBPS2PC, Black : Everything Else
PS/2 Keyboard to USB Adapter - F/M - PS/2 Cables | StarTech.com
Amazon.com: UCEC PS/2 to USB Adapter Converter for PS2 Keyboard Mouse : Electronics