Due to a problem in the Intel® Quartus® Prime Pro Edition Software version 22.3, you might find that the “Number of slave device” setting is changed in the Device & Pin Option -> Power Management & VID tab. This occurs when there are more “PMBus device # slave address” values provided than there are slave devices selected.
To work around this problem, change the unused slave address to “00”.
This problem is fixed starting with the Intel® Quartus® Prime Pro Edition Software version 22.4.