GadKo PS/2 to AT Keyboard Adapter, MiniDin6 (PS/2) Female to Din5 (AT) Male, 6 inch GadKo is the only authorized dealer of GadKo branded products. This 6 inch cable is designed to adapt newer PS/2-style keyboards to older DIN5 (AT) motherboard connections. Just plug the male DIN5 end into the appropriate port on your computer; and plug your PS2 keyboard into that. You can now use your newer keyboard on your older computer.