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Computer system and power management method

A computer system and power management technology, applied in the field of computer systems, can solve problems such as inconvenient use

Active Publication Date: 2011-02-16
VIA TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] From the above description, it can be seen that users often have to charge the portable computer system after reading e-books for several hours, thus causing inconvenience in use

Method used

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  • Computer system and power management method

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Embodiment Construction

[0031] figure 1 It is a schematic block diagram of a computer system according to a preferred embodiment of the present invention. Please refer to figure 1 , the computer system 100 defines an image reading mode, a first power management mode and a second power management mode. The computer system 100 is, for example, a portable computer system, and it consumes less power when operating in the second power management mode than when operating in the first power management mode. The first power management mode can be regarded as a working state, such as power management mode S0 (so-called S0 mode), and the second power management mode can be regarded as a power saving state, such as Power management mode S3 (the so-called S3 mode). In addition, the “power management modes” mentioned in this article are all power management standards defined by the Advanced Configuration and Power Interface (ACPI) protocol. It must be explained first that when the computer systems mentioned i...

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Abstract

The invention relates to a computer system and a power management method. The computer system comprises a first part and a second part, wherein the first part comprises an image processing unit, a storage space and a display while the second part comprises a memory for storing image data. When the computer system is in an image reading mode, the storage space stores the image data and the computer system controls the second to switch from a first power management mode to a second power management mode with less power consumption for operation. And the first part is maintained to operate in the first power management mode for the image processing unit to display the image through the display on the basis of the image data stored in the storage space.

Description

technical field [0001] The present invention relates to the technical field of computer systems, and in particular to a computer system capable of saving power when displaying images and a power management method thereof. Background technique [0002] With the development of science and technology, people have gradually adopted electrophoretic displays (electrophoresis display, EPD), or installed reading software in portable computer systems to read e-books (E-books), which is not only convenient to carry a variety of different The content of the book also saves the waste of paper. [0003] However, when the portable computer system is used to display the content of the e-book, the whole system still operates in the power management mode S0 which consumes the most power as usual, thus causing power loss. The power management mode S0 is a power management standard defined by the Advanced Configuration and Power Interface (ACPI) protocol, and under the power management mode S...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F1/32
Inventor 黄宗庆张国航罗志南林莉凤
Owner VIA TECH INC