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Universal method for fetching CPU temperature

A central processing unit and general-purpose technology, applied in hardware monitoring, etc., can solve problems such as waste of capital, increased cost of manpower and material resources, and lengthy program codes

Inactive Publication Date: 2006-03-15
INVENTEC CORP
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Problems solved by technology

[0006] 1. Since the manufacturer's feedback speed is not too fast, time-consuming is inevitable, which increases the development time of the test program
[0007] 2. The models of computers are constantly being introduced, and the models produced in the past will not be discarded immediately. Therefore, the test program must take into account the models of the past and apply to the models just produced, which will cause The length of the program code is not conducive to the maintenance of the program
[0008] 3. The temperature extraction method is not universal, and the program is always being updated. The input of manpower and material resources will continuously increase the cost, resulting in a waste of capital

Method used

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Embodiment Construction

[0045] At present, most computers support the Advanced Power Management Protocol (ACPI: Advanced Configuration and Power Management Interface). The so-called Advanced Power Management Protocol refers to some table structures and some binary codes. These table structures and binary codes have been solidified into the BIOS of the computer. , and has been transferred into the memory before the operating system is activated, part of which cannot be changed by the operating system. In this part of the fixed content, it contains hardware information, including hardware port address, operation offset and hardware operand. Among these hardware information, there is related content of CPU temperature. These contents are recorded in the form of binary code, which can be translated into a statement according to the specification of the Advanced Power Management Protocol, but this statement cannot be run directly, as can be seen from the statements already recorded in the BIOS. Paths to ...

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Abstract

A universal method of fetching central processor temperature includes fetching AML code from BIOS according to senior power management protocol, confirming hardware approach of fetching CPU temperature and confirming temperature fetching hardware port and operation code in AML code according to hardware approach, analyzing AML code to confirm operation sequence of hardware port, operating hardware port and fetching CPU temperature according to said operation sequence.

Description

technical field [0001] The invention relates to a method for reading the temperature of a central processing unit, in particular to a general method for reading the temperature of a central processing unit. Background technique [0002] Along with the development of computer industry, the updating speed of computer is faster and faster. Therefore, the output of current computers is also gradually increasing. Before every new computer leaves the factory, it must be fully tested to verify that its performance is up to standard. Among them, the central processing unit (CPU) is the main detection item. The current CPU speed is relatively satisfactory, but the heat generation of the CPU has become a problem that users generally pay attention to. CPU temperature is very important for calculators, overheating will cause damage to components, so when testing the performance of calculators, CPU temperature is an important parameter indicator. [0003] The test of CPU temperature i...

Claims

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Application Information

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IPC IPC(8): G06F11/30
Inventor 刘文涵宋建福胡幸刘一波刘萍
Owner INVENTEC CORP
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