Old 2000's keyboard I was trying to interface to my laptop is a Yamaha PSR 270 with 5 pin DINS, no USB...

https://www.manualslib.com/manual/197110/Yamaha-Psr-270.html

https://images.search.yahoo.com/yhs/search?p=yamaha+psr-270&fr=yhs-fc-90&type=fc_AC22890F0FA_s69_g_e_d_n1_c999&hspart=fc&hsimp=yhs-90&imgurl=http%3A%2F%2Fmedias.audiofanzine.com%2Fimages%2Fnormal%2Fyamaha-psr-270-1078552.jpg#id=0&iurl=http%3A%2F%2Fmedias.audiofanzine.com%2Fimages%2Fnormal%2Fyamaha-psr-270-1078552.jpg&action=click


Bob