Audio Stream Input/Output (ASIO) is a computer soundcard driver that provides a low-latency and high fidelity interface between a software application and a computer’s sound card. Most of todays sound cards have ASIO drivers as their chosen driver.
Install driver KORG nanoKONTROL – video guide
Cheap and cheerful guide to installing the usb driver for the KORG nanoKONTROL, Beginning covers the ‘seen as USB driver’ failed install… Then shows how to fix. step by step guide