Actually, you'd be surprised. Every mobo I've dealt with recently doesn't include POST beep diag code listings. Not ASRock, not ASUS, not Gigabyte, not MSi. At

Actually, you'd be surprised. Every mobo I've dealt with recently doesn't include POST beep diag code listings. Not ASRock, not ASUS, not Gigabyte, not MSi. At least the motherboards tend to have screen printing that tells you which header pins works for switches/LEDs without the need for the manual.