StarTech.com DisplayPort to DVI Adapter - Active Conversion - 1920x1200 - DP to DVI Single Link Converter for DVI-D Display (DP2DVIS) - DisplayPort adapter - 20 cm

Connect a supported PS/2 keyboard to the USB port on your computer. The GC46MFKEY PS/2 Keyboard to USB Adapter features a USB-A male connector and a 6-pin (PS/2) female port, allowing you to connect a PS/2 keyboard to a computer through a USB port.
This product is designed as a replacement adapter for keyboards that originally shipped with a PS/2-USB converter. If your product did not ship with a converter, try StarTech.com's USBPS2PC instead.