Patent ID: 8156358

Claim:
An information handling system comprising: a chassis operable to accept plural information handling system modules; plural information handling system modules disposed in the chassis, each information handling system module operable to process information and having a management subsystem that manages power resources used by the information handling system module; one or more cooling fans associated with the chassis and operable to provide cooling air flow to the information handling system modules; a power system associated with the chassis and operable to provide power to the information handling system and cooling fans; a chassis manager interfaced with the power system and the information handling system module management subsystems, the chassis manager operable to allocate power available from the power system to the information handling system modules and the cooling fans; and a chassis power manager interfaced with the chassis manager and operable to establish a reserve power having adequate power resources to run the one or more cooling fans at full speed and to dynamically allocate the reserve power for use by the information handling system modules when the one or more cooling fans run at less than full speed.