the sum may be compared to a threshold to make this determination this same mechanism may be used to determine various other cooling system trigger points both when to increase cooling as well as decrease cooling application_number US 20188205 A description reference will now be made in detail to the presently preferred embodiments of the invention examples of which are illustrated in the accompanying drawings referring generally now to fig1 and 2 exemplary embodiments of the present invention are shown for determining component temperature requiring a maximum level of operation of a cooling apparatus the cooling apparatus is illustratively employed on an information handling system although other applications of the invention are possible referring to fig1 a system block diagram of a system for determining component temperature requiring maximum cooling system operation is shown in the illustrative system thermal management software 110 controls the operation of the cooling apparatus although the thermal management control may not require run time software control it may need some initialization on the system in the illustrative embodiment the cooling apparatus includes a fan 130 that is controlled by a fan speed control 120 while the cooling apparatus is described as including a fan it is foreseeable that the invention may be employed on cooling apparatus employing other cooling devices the fan of the.