https://devzone.nordicsemi.com/f/nordic-q-a/18457/programming-with-swd-on-external-nrf51822-with-51-dkHEY I am using my nrf 51 dk too program the nrf51822 board externally. How I can identify the board in keil, only the 51 dk is shown in the debug settings. How i can select 51822 instead of 51422 and now which board is selected. Is there any alternateen-USTelligent Community 13Mon, 19 Dec 2016 09:28:03 GMThttps://devzone.nordicsemi.com/thread/71212?ContentTypeID=1Mon, 19 Dec 2016 09:28:03 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9f11a71d-2bbe-420d-8961-8c286c54ace1Petter Myhre<p>The On Board J-Link is shown in debug settings in Keil. This is a programmer/debugger that sits on the nRF51 DK. This is the chip that is connected to the PC, and the one you use if you program the on board nRF51 or an external nRF51.</p><div style="clear:both;"></div>