Computer system with power-saving capability and method for implementing power-saving mode in computer system
A computer system and power-saving mode technology, applied in the field of power-saving mode implementation, can solve problems such as not supporting power-saving functions, unable to achieve power-saving effects, and no changes, etc., to prolong battery life, reduce speed, and reduce power consumption The effect of consumption
Inactive Publication Date: 2008-06-11
LEJIN ELECTRONICS KUNSHAN COMPUTER CO LTD
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Problems solved by technology
[0008] Computers whose internal CPU does not provide power-saving hardware power-saving functions also support multiple CPU power management modes, but even if such a CPU selects power-saving modes such as the CPU’s best battery mode or maximum battery mode, the speed of the CPU does not change. Instead, it just regulates the power supplied to the computer's CPU, hard disk, LCD, etc.
[0009] Low-cost CPUs that do not support the above registers do not support power-saving functions, so even if the user sets the CPU mode to a power-saving mode such as optimal battery mode or maximum battery mode, the speed of the CPU will not decrease, so that substantial Sexual power-saving effect
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[0037] Embodiments of the computer system with power saving function and the method for implementing the power saving mode of the present invention will be described in detail below with reference to the accompanying drawings.
[0038] In the present invention, the so-called "power saving mode" refers to a power management mode in which the speed of the CPU is less than half of the maximum speed that can be operated. The names of the modes can vary depending on the processor manufacturer, but can be designated as Maximum Battery Mode or Optimum Battery Mode.
[0039] In the present invention, the so-called "CPU adjustment" refers to the process of adjusting the clock frequency and operating voltage of the CPU according to the temperature range of the system, that is, when the temperature of the system exceeds the specified critical range, the frequency and operating voltage of the CPU are reduced , the process of slowing down the CPU.
[0040] The computer system with power s...
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The invention relates to a computer system with electricity-saving function and the method for realizing electricity save mode by moderating CPU speed according to CPU power management mode. The CPU inside computer system is equipped with temperature sensing circuit, the CPU electricity-saving mode information is got from operation system of computer, if the CPU power management mode is electricity-saving mode, then conversing said mode into temperature value and comparing with current temperature sensed by temperature sensor, and moderating CPU according to higher temperature. The CPU electricity-saving mode can slow down CPU speed and reduce power consumption, especially for portable computer system, the internal CPU of which is not provided with said function.
Description
technical field [0001] The present invention relates to a computer system with power saving function and a method for realizing the power saving mode of the computer system, in particular to a computer system with power saving function for adjusting CPU speed according to the CPU power management mode of the computer system, thereby reducing power consumption The computer system and the method for realizing the power saving mode of the computer system are disclosed. Background technique [0002] Computer systems, especially portable computer systems, are widely used because of their good portability and mobility. It is expected that with the popularization of mobile Internet, Digital Multimedia Broadcasting (DMB: Digital Multimedia Broadcasting) services and other new services that can be used in mobile, the utilization rate of portable computers will show a trend of sharp increase. Therefore, the types of services available through the portable computer will be diversified...
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IPC IPC(8): G06F1/32
CPCG06F1/28G06F1/32
Inventor 金仰熏
Owner LEJIN ELECTRONICS KUNSHAN COMPUTER CO LTD