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Power saving system and power saving method

An electronic system and system chip technology, applied in the direction of electrical program control, data processing power supply, program control in sequence/logic controller, etc., can solve the problems that users cannot use computers normally

Inactive Publication Date: 2009-09-09
ASUSTEK COMPUTER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, only the state S0 is the state of normal operation of the computer system, and the other states S1 to S5, the computer is in the sleep state. Although the power is saved, the user cannot use the computer normally.

Method used

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Embodiment Construction

[0009] In order to make the above-mentioned and other objects, features, and advantages of the present invention more comprehensible, preferred embodiments are specifically listed below, and are described in detail in conjunction with the accompanying drawings as follows:

[0010] figure 1 A flowchart showing a power saving method according to an embodiment of the present invention. According to an embodiment of the present invention, when the electronic system is turned on to start all control units, or start a check mechanism, or any control unit changes from the off state to the start state (step S100), wherein the check mechanism can be pressed by a user Execute an application program to scan (ie detect) after pressing the control button. The checking mechanism can also be that a user selects a screen option and executes an application program to scan. Next, the application program (AP) will scan whether an auxiliary device is coupled to a corresponding control unit thro...

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PUM

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Abstract

The invention relates to a power saving system, which comprises a system chip, at least one controlling unit and at least one switch. The system chip is coupled to the controlling unit, and the switch is coupled between the controlling unit and a power supply, and switched on or switched off according to a general purpose input output (GPIO) signal. When the switch is switched on, the controlling unit is started. When no auxiliary equipment is coupled to the system chip through a connecting port and the controlling unit, the controlling unit is closed so as to save unnecessary power consumption.

Description

technical field [0001] The invention relates to a power-saving circuit, in particular to a power-saving circuit applied to a computer system. Background technique [0002] When the traditional computer system is turned on, all the auxiliary devices of the computer will be awakened, in other words, the corresponding control chips of all the auxiliary devices of the computer will also be activated to be in a working state. [0003] However, users often do not use all the computer auxiliary equipment, or users only use part of the computer auxiliary equipment for a certain period of time, and these infrequently used computer auxiliary equipment and the corresponding control chips are always consumed The state of the power supply, which will cause the problem of excessive energy consumption in traditional computer systems. [0004] Although, the computer currently has five ACPI (Advanced Configuration and Power Interface) states, for example: S0, S1, S3, S4 and S5 six states. ...

Claims

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Application Information

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IPC IPC(8): G05B19/04G06F1/32
Inventor 金忠达孙培华
Owner ASUSTEK COMPUTER INC