···9494to the border between the highest and one but highest temperature zones, and9595vica versa. So the temperature zone trip points 1-4 (or 1-2) go from high temp9696to low temp! This is how things are implemented in the IC, and the driver9797-mimicks this.9797+mimics this.98989999There are 2 modes to specify the speed of the fan, PWM duty cycle (or DC100100voltage) mode, where 0-100% duty cycle (0-100% of 12V) is specified. And RPM