Method and apparatus for thermal management in a computer system
First Claim
Patent Images
1. A method for regulating the internal temperature of a computer system, said method comprising the steps of:
- monitoring the internal temperature of the computer system;
placing at least one integrated circuit within the computer system into a first powered state for a first period of time and then a second powered state for a second period of time repeatedly when the internal temperature is at least at a threshold temperature, wherein the step of placing comprises the step of selecting durations of the first period of time and the second period of time based on an amount the internal temperature exceeds the threshold temperature.
1 Assignment
0 Petitions
Accused Products
Abstract
A method and apparatus for providing thermal management to a computer system where the internal temperature is measured and, based on the temperature, heat generated in the computer system is reduced by turning off a portion of the system. When the portion of the system is off, no power is consumed by that portion. Accordingly, no heat is generated as well. In this manner, the heat generated in the computer system is reduced.
-
Citations
26 Claims
-
1. A method for regulating the internal temperature of a computer system, said method comprising the steps of:
-
monitoring the internal temperature of the computer system; placing at least one integrated circuit within the computer system into a first powered state for a first period of time and then a second powered state for a second period of time repeatedly when the internal temperature is at least at a threshold temperature, wherein the step of placing comprises the step of selecting durations of the first period of time and the second period of time based on an amount the internal temperature exceeds the threshold temperature. - View Dependent Claims (2, 3, 4)
-
-
5. A method for regulating the internal temperature of a computer system, said method comprising the steps of:
-
sensing the internal temperature of the computer system; cyclically placing an integrated circuit within the computer system into and out of a powered state when the internal temperature is at least at a threshold temperature, wherein each cycle comprises a first time period in which the integrated circuit is in the powered state and a second time period in which the integrated circuit is out of the powered state, wherein the step of cyclically placing the integrated circuit includes adjusting durations of the first time period and the second time period according to an amount that the internal temperature exceeds the threshold temperature, such that a ratio of when the integrated circuit is in the powered state to when the integrated circuit is out of the powered state is adjusted, and wherein said step of cyclically placing the integrated circuit into and out of the powered state continues until the internal temperature falls below the threshold temperature, such that heat generated within the computer system is reduced. - View Dependent Claims (6, 7, 8, 9, 10)
-
-
11. A method for thermal management of a computer system having an internal temperature, said method comprising the steps of:
-
periodically sensing the internal temperature of the computer system at a first time interval while the internal temperature remains below a threshold temperature; and cyclically placing an integrated circuit within the computer system into and out of a powered state when the internal temperature is at least at the threshold temperature, wherein each cycle comprises a first time period in which the integrated circuit is in the powered state and a second time period in which the integrated circuit is out of the powered state, wherein the step of cyclically placing the integrated circuit includes adjusting durations of the first time period and the second time period according to an amount that the internal temperature exceeds the threshold temperature, such that a ratio of when the integrated circuit is in the powered state to when the integrated circuit is out of the powered state is changed, and periodically sensing the internal temperature at a second time interval shorter than the first time interval when the internal temperature is at least at the threshold temperature, wherein the integrated circuit is continually placed into and out of the powered state until the internal temperature falls below the threshold temperature, such that heat generated within the computer system is reduced. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
-
-
19. A method for thermal management of a computer system having an internal temperature, said method comprising the steps of:
-
generating a periodic interrupt signal; periodically sensing the internal temperature of the computer system every I number of occurrences of the periodic interrupt signal, wherein I is an integer; and cyclically placing an integrated circuit within the computer system out of a powered state for m number of occurrences of the periodic interrupt signal and into the powered state for n number of occurrences of the periodic interrupt signal when the internal temperature is at least at the threshold temperature, and wherein the step of cyclically placing the integrated circuit includes varying a ratio of time when the integrated circuit is out of the powered state to when the integrated circuit is in the powered state according to a number of degrees the internal temperature exceeds the threshold temperature, such that the ratio increases and decreases as the amount the internal temperature exceeds the threshold temperature increases and decreases respectively, wherein said step of cyclically placing the integrated circuit continues until the internal temperature falls below the threshold temperature, such that the heat generated within the computer system is reduced. - View Dependent Claims (20)
-
-
21. In a computer system having a processor, an addressable memory for storing data and programs for operation on the processor, a plurality for peripheral data and a power supply for supplying power to the processor, the addressable memory and the plurality of peripheral devices, an apparatus for providing thermal management for the computer system comprising:
-
a temperature sensor that measures the internal temperature of the computer system; control logic coupled to and responsive to the internal temperature sensor measuring the internal temperature as at least a threshold temperature, wherein the control logic repeatedly places the processor out of a powered state for a first period of time and into the powered state for a second period of time in cycles to reduce heat generated in the computer system until the internal temperature falls below the threshold temperature, wherein the control logic adjusts the first period of time or the second period of time according to an amount that the internal temperature exceeds the threshold temperature, such that a ratio of when the processor is out of the powered state to when the processor is in the powered state is changed. - View Dependent Claims (22, 23, 24, 25)
-
-
26. A method of managing a computer system comprising the steps of:
-
periodically executing a first task to determine if the internal temperature of the computer system exceeds a threshold temperature, wherein the first task is executed every n number of occurrences of a periodic interval; installing a second task to place an integrated circuit in the computer system into and out of a reduced power consumption state to reduce the internal temperature when the internal temperature exceeds the threshold temperature; executing the second task to place the integrated circuit into the reduced power consumption state for a first period of time and out of the reduced power consumption state for a second period of time to cause power to be cycled to the integrated circuit until the internal temperature falls below the threshold temperature.
-
Specification