The CPU OPT header is an additional connection for special processor cooling accessories, such as specialized coolers with multiple fans or water-cooling components. Functionally, CPU OPT is identical to CPU FAN. The connector provides a 12-volt DC connection with at least one ampere to ensure that sufficient power is provided to the entire system to adequately cool the chip. Despite the almost identical function, there are some differences between CPU OPT and CPU FAN. CPU OPT does not check whether a connection exists before the system is booted. In contrast, the system reports an error and r…