The instructions on this page, section 1.1 are incorrect. They should say "JP3" not "JP1".
https://www.nxp.com/document/guide/getting-started-with-the-lpcxpresso845-max-evaluation-board:GS-OM...
Hello @kk7xo
Thanks so much for your sharing, you are right, I will report this is to website team, thanks.
BR
Alice