Abstract: A system may include a plurality of temperature sensors configured to sense temperatures at a plurality of locations associated with an information handling system, a cooling subsystem comprising at least one cooling fan configured to generate a cooling airflow in the information handling system, and a thermal manager communicatively coupled to the plurality of temperature sensors and the cooling subsystem. The thermal manager may be configured to, based on at least a power provided to a subsystem of the information handling system, estimate a thermal condition proximate to the subsystem and set a speed of the at least one cooling fan based on the estimated thermal condition and a required cubic airflow rate associated with the subsystem, wherein the required cubic airflow rate is determined based on a required linear airflow velocity associated with the subsystem and a net cross-sectional area through which the cooling airflow travels.

Abstract: Method, systems are provided for providing automated open-loop control of an airflow cooling system in an IHS (Information Handling System), where the open-loop control is automatically adjusted based on changes to the components installed by the IHS. An airflow impedance, providing an amount a component physically impedes airflow, is retrieved for a new component. An estimated airflow delivery to the installed location of the new component is determined and scaled based on the airflow impedance of the new component and based on the ability to bypass the new component with ventilated airflow. An airflow delivery target for the new component is determined based on the ambient air temperature available at the installed new component. The airflow delivery target is scaled based on the installed location of the new component. The airflow cooling system is operated to equalize the estimated airflow delivery to the new component with the airflow delivery target for new component.

Abstract: In accordance with embodiments of the present disclosure, an information handling system may include a plurality of information handling resources and a thermal control system comprising a plurality of air movers, wherein the thermal control system is configured to operate in a first cooling mode in which the thermal control system operates at least one first air mover of the plurality of air movers to maintain a first information handling resource of the plurality of information handling resources above a minimum temperature threshold and operates at least one second air mover of the plurality of air movers to maintain a second information handling resource of the plurality of information handling resources below a maximum temperature threshold.

Abstract: In accordance with embodiments of the present disclosure, an information handling system may include a plurality of information handling resources and a thermal control system comprising a plurality of air movers, wherein the thermal control system is configured to operate in a first cooling mode in which the thermal control system operates at least one first air mover of the plurality of air movers to maintain a first information handling resource of the plurality of information handling resources above a minimum temperature threshold and operates at least one second air mover of the plurality of air movers to maintain a second information handling resource of the plurality of information handling resources below a maximum temperature threshold.

Abstract: In accordance with embodiments of the present disclosure, a system may include a cooling subsystem comprising at least one air mover configured to generate a cooling airflow in the system and a thermal manager communicatively coupled to the cooling subsystem and configured to: (i) determine a minimum air mover speed and maximum air mover speed based on a minimum sound level and a maximum sound level for sound generated by the at least one air mover; and (ii) operate the at least one air mover in accordance with thermal requirements of the system subject to the maximum air mover speed and the minimum air mover speed.

Abstract: A method may include: (i) based on an error between a setpoint value and a measured process value, determining an integrated error indicative of a time-based integral of the error; (ii) based on the error, determining a differential error indicative of a time-based derivative of the error; (iii) based on the integrated error and the error, generating a proportional-integral output driving signal; (iv) based on the differential error and the error, generating a proportional-differential output driving signal; (v) determining whether the differential error is stable; (vi) responsive to determining that the differential error is stable, generating a driving signal for controlling a plant based on the proportional-differential output driving signal and independent of the proportional-integral output driving signal; (vii) responsive to determining that the differential error is unstable, generating the driving signal for controlling the plant based on the proportional-differential output driving signal and the pro

Abstract: In accordance with these and other embodiments of the present disclosure, an information handling system may include a plurality of information handling resources including a thermal manager and a liquid cooling adapter comprising fluidic conduits for conveying a refrigerant liquid between a cooling distribution unit external to the information handling system and at least one of the plurality of information handling resources, a computer-readable medium configured to store information regarding the liquid cooling adapter, and a sideband interface communicatively coupled between the computer-readable medium and the thermal manager such that the thermal manager receives the information regarding the liquid cooling adapter from the computer-readable medium and provides thermal control of the information handling system in accordance with the information regarding the liquid cooling adapter.

Abstract: In accordance with embodiments of the present disclosure, a system may include a cooling subsystem comprising at least one air mover configured to generate a cooling airflow in the system and a thermal manager communicatively coupled to the cooling subsystem for control of the cooling subsystem and configured to: (i) determine relevant temperature limits of each of a plurality of hardware configurations, the hardware configuration based on a hardware inventory of the system; (ii) determine the lowest temperature limit of the relevant temperature limits; and (iii) responsive to a determination that a real-time temperature is above the lowest temperature limit, take remedial action.

Abstract: In accordance with embodiments of the present disclosure, a system may include a controller configured to control a process value using closed-loop control, wherein: (i) when using closed-loop control, the controller controls the process value based on a measured process value indicative of the process value communicated from a sensor and by generating a driving signal that is a maximum of a first driving signal which is the function of the measured process value and a second driving signal; and (ii) the controller is configured to disable polling by the controller of the sensor for the measured process value when the driving signal is greater than a threshold open-loop driving signal sufficient to maintain the process value within a desired range of the process value in the absence of closed-loop control.

Abstract: When conflicting thermal parameters for thermal control exist in both of a personality module and one of a power table and a thermal table, wherein the power table comprises a plurality of entries each setting forth supported parameters for power management of one or more information handling resources, wherein the thermal table comprises a plurality of entries each setting forth parameters for thermal management of the one or more information handling resources, and wherein a personality module comprises a plurality of entries each setting forth custom parameters for system-specific power/thermal management of the one or more information handling resources, each entry of the personality module including an attribute associated with the custom parameters, a method may perform selecting one of the conflicting thermal parameters as a selected thermal parameter based on the at least one attribute; and writing an entry associated with the selected thermal parameter to final thermal.

Abstract: Thermal conditions at processing components disposed in an information handling system are estimated by applying conservation of energy and component power consumption so that discrete control of information handling system exhaust temperatures is more accurately maintained. For example, a PCI backplane communications card has its power consumption estimated based upon its width so that air flow through the information handling system is adequate to meet an exhaust temperature constraint.

Abstract: A system may include a plurality of temperature sensors configured to sense temperatures at a plurality of locations associated with an information handling system, a cooling subsystem comprising at least one cooling fan configured to generate a cooling airflow in the information handling system and a thermal manager communicatively coupled to the plurality of temperature sensors and the cooling subsystem. The thermal manager may be configured to, based on at least a power provided to a subsystem of the information handling system, estimate a thermal condition proximate to the subsystem and set a speed of the at least one cooling fan based on the estimated thermal condition and a required linear airflow velocity associated with the subsystem.

Abstract: An information handling system includes a memory and a controller. The memory stores settings for components within the information handling system. The controller can communicate with the memory. The controller detects a presence of a module, receives parameters of the module from the module, determines information for the module based on the parameters of the module, and updates the settings for the components based on the information for the module.

Abstract: A system may include a plurality of temperature sensors configured to sense temperatures at a plurality of locations associated with an information handling system, a cooling subsystem comprising at least one cooling fan configured to generate a cooling airflow in the information handling system, and a thermal manager communicatively coupled to the plurality of temperature sensors and the cooling subsystem. The thermal manager may be configured to, based on at least a power provided to a subsystem of the information handling system, estimate a thermal condition proximate to the subsystem, correlate each of a plurality of components of the subsystem and a linear airflow velocity requirement of the component to a respective speed of the at least one cooling fan required to provide such airflow requirement, and set a speed of the at least one cooling fan based on the respective speeds.

Abstract: A system management controller may include a thermal table, a host agent, and a thermal control system. The thermal table may comprise identifying parameters for supported remote temperature sensors external to an information handling system. The host agent may be configured to receive temperature sensor data of a remote temperature sensor. The thermal control system may be configured to provide thermal control of at least one of the information handling system and a chassis in which it is disposed by determining, based on an entry of the thermal table associated with the remote temperature sensor, a local input identifier of the system management controller that defines a virtual thermal input of the information handling system associated with the remote temperature sensor, and controlling thermal properties of at least one of the information handling system and the chassis based on the virtual thermal input and a temperature value associated therewith.

Abstract: An Information Handling System (IHS) and method provide for a thermal controller receiving from a temperature sensor a current operating temperature of the at least one functional device. The thermal controller determines a first rate of an air mover based at least in part on the current operating temperature sensed by the temperature sensor and the instantaneous component maximum temperature. The first rate prevents the at least one functional component from exceeding the instantaneous component maximum temperature. The thermal controller determines a second rate of the air mover based at least in part on lifetime average temperature and the long-term average temperature target that is selected for the reliability level. The thermal controller controls the air mover to operate at a higher one of the first and second rates.

Abstract: In accordance with embodiments of the present disclosure, a system may include a temperature sensor configured to sense an inlet ambient temperature associated with an information handling system, a cooling subsystem comprising at least one cooling fan configured to generate a cooling airflow in the information handling system, and a thermal manager communicatively coupled to the temperature sensor and the cooling subsystem and configured to, based on the inlet ambient temperature, a maximum power consumption level of the information handling system, a maximum airflow rate capable of being generated by the at least one cooling fan, and a hardware configuration of the information handling system, calculate a lowest possible maximum exhaust temperature for the information handling system.

Abstract: An information handling system includes a fan controller, and a controller. The fan controller controls a speed of a cooling fan. The controller detects a presence of a card within the information handling system, determines whether the card matches a first thermal control method of a plurality of thermal control methods, utilizes the first thermal control method to cool the card in response to the card matching the first thermal control method, otherwise determines whether the card matches a next in order thermal control method of the thermal control methods.

Abstract: An information handling system includes a plurality of components, and a controller. The controller determines a separate thermal resistance for each of the components, categorizes each component into one of a plurality of cooling domains based on the thermal resistance of the component and an amount of air flow around the component, and adjusts cooling controls for each of the components based on the respective cooling domain of the component.

Abstract: A lighting apparatus includes a printed circuit board. A first light source and a second light source can be mounted on the printed circuit board. A first optical member can receive and redirect light from the first light source, and a second optical member can receive and redirect light from the second light source. A vent aperture can be defined in the printed circuit board, the vent aperture being positioned between the optical members. The apparatus can include first and second thermally conductive sheets thermally coupled to the printed circuit board, the first thermally conductive sheet disposed on a first back side of the first optical member, the second thermally conductive sheet disposed on a second back side of the second optical member. The apparatus can include a housing having a housing vent, the housing vent and the vent aperture defining a first convective path between the optical members.