Don't it, don't know what's CPU_OPT mean - I panicked when the message came up and changed connector from CHA_FAN1 to CPU_OPT. After restart message changed from OPT 0 rpm to FAN1 0 rpm.
I have 2 fans inside and as a CPU cooler I'm using Antec Kulher H60.
Both fans are 3 pin and all connectors on motherboard are 4 pin. Is that bad? And if yes why only now I'm getting those messages?
I build that computer myself for the first time and I'm worried now that I've done something wrong...