CN103149996A - System and method for starting up, closing down and resetting hardware of mainboard - Google Patents
System and method for starting up, closing down and resetting hardware of mainboard Download PDFInfo
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- CN103149996A CN103149996A CN2012101531780A CN201210153178A CN103149996A CN 103149996 A CN103149996 A CN 103149996A CN 2012101531780 A CN2012101531780 A CN 2012101531780A CN 201210153178 A CN201210153178 A CN 201210153178A CN 103149996 A CN103149996 A CN 103149996A
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Abstract
The invention discloses a system for starting up and closing down hardware of a mainboard. The system comprises a startup button, an embedded control chip and power control chips, wherein a startup/shutdown signal is transmitted to the input end of the embedded control chip by the startup button, and an enable signal is output to multiple power control chips by the output end of the embedded control chip. The invention further discloses a system for starting up, closing down and resetting the hardware of the mainboard. The system comprises a reset button and an embedded control chip, and a reset signal is transmitted to the embedded control chip by the reset button. The invention further comprises a method for starting up, closing down and resetting the hardware of the mainboard. The invention can solve the problem of incapability of starting up, closing down and resetting the system by the mainboard without a south bridge.
Description
Technical field
The present invention relates to motherboard hardware switching on and shutting down resetting system and method, particularly without Godson motherboard hardware switching on and shutting down resetting system and the method for south bridge.
Background technology
Development along with domestic Godson processor chips, use the appearance of the computing machine of all kinds of Godson processor, formed its exclusive motherboard hardware design style, more special a kind of motherboard design without south bridge control chip that just is based on the Godson processor wherein mainly is used in the design of integrated desktop (can certainly be used in common desk-top computer design).Be not have South Bridge chip and Super IO (super input/output control unit) with the difference of traditional computing machine is apparent in view.Thereby with respect to the computing machine of tradition with south bridge control chip, it can not by South Bridge chip complete with the input/output bus interface between communicate by letter, complete the switching on and shutting down of whole system and the operation that resets.Therefore be necessary separately to ward off the small stream footpath, complete by another way the switching on and shutting down of whole system and reset.
Summary of the invention
Goal of the invention: the problem and shortage for above-mentioned prior art exists, the purpose of this invention is to provide a kind of motherboard hardware switching on and shutting down resetting system and method, solve can not completion system without the mainboard of south bridge switching on and shutting down and reset issues.
Technical scheme: for achieving the above object, the first technical scheme that the present invention adopts is a kind of motherboard hardware power on/off system, comprises starting key, embedded control chip and power supply control chip; Described starting key sends to the machine open/close signal input end of embedded control chip, and the output terminal output enable signal of described embedded control chip is given a plurality of power supply control chips.
The second technical scheme that the present invention adopts is a kind of motherboard hardware switching on and shutting down resetting system, comprises reset key and embedded control chip, and described reset key sends reset signal to embedded control chip.
The third technical scheme that the present invention adopts is a kind of motherboard hardware starting-up method, comprises the steps:
(1) press starting key, starting key output low level signal is to embedded control chip;
(2) embedded control chip output high level enable signal is given a plurality of power supply control chips;
(3) the power supply control chip out-put supply uses for each equipment, makes system complete start.
Described step (3) also can comprise: power supply control chip output high level feeds back signal to embedded control chip, informs that the embedded control chip power supply has been completed by design to have exported.
The 4th kind of technical scheme that the present invention adopts is a kind of motherboard hardware closedown method, comprises the steps:
(1) length is pressed starting key, and starting key output low level signal is to embedded control chip;
(2) embedded control chip output low level enable signal is given a plurality of power supply control chips;
(3) power-off operation is completed in a plurality of power supply control chips output of cutting off the electricity supply.
Further, the long time by starting key is not less than 4 seconds.
The 5th kind of technical scheme that the present invention adopts is a kind of motherboard hardware repositioning method, comprises the steps:
(1) press reset key, reset key output key reset signal is to embedded control chip;
(2) embedded control chip output system reset signal is given each equipment.
Beneficial effect: the present invention is mainly in the situation that without south bridge with without super input/output control unit, adopt EC(Embed Controller, embedded control chip) realize the switching on and shutting down of integrated desktop and common desk-top computer and resetting, thereby ensure the feasibility without the south bridge scheme, reduce hardware cost; Low in energy consumption, the power consumption of whole mainboard is less than 30 watts, and on mainboard, the power consumption of CPU is especially less than 5 watts, as long as radiation fin need not fan.
Description of drawings
Fig. 1 is the structured flowchart of motherboard hardware power on/off system;
Fig. 2 is the structured flowchart of motherboard hardware resetting system.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention, should understand these embodiment only is used for explanation the present invention and is not used in and limits the scope of the invention, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present invention.
As shown in Figure 1, the motherboard hardware power on/off system of the present embodiment comprises an embedded control chip, a starting key and 4 power supply control chip NB637 based on the Godson mainboard.In addition, the Godson mainboard also connects the power supply adaptor (not shown), is powered to other parts on mainboard by embedded control chip by adapter.
The specific implementation process of start is: press switch key, switch key provides a low level signal PWRBTN# to embedded control chip; Embedded control chip is received the enable signal of exporting 4 road high level after this low level signal to 4 road power supply control chips, and the enable signal of 4 road high level is respectively 1.8V, 5V, 1.2V and 3.3V; After 4 road power supply control chips are received the enable signal of high level, out-put supply is for each several part equipment, feed back simultaneously corresponding high level signal to embedded control chip, inform that embedded control chip has been completed by design to have exported, thus the start that powers on of completion system.
The specific implementation process of shutdown is: length was pressed switch key 4 seconds, switch key continues output low level signal PWRBTN# to embedded control chip, embedded control chip is given 4 road power supply control chips by inner program judgement output low level enable signal, 4 road power supply control chips are judged as not out-put supply accordingly, then the output of cutting off the electricity supply, thereby the shutdown process of completion system.
As shown in Figure 2, the motherboard hardware resetting system of the present embodiment comprises an embedded control chip and a reset key based on the Godson mainboard.
The specific implementation process that resets is: press reset key, reset key provides button reset signal RSTBTN# to embedded control chip; After embedded control chip is received this button reset signal, output system reset signal SYSRESTn to Godson CPU, clock generator and Ge Lu PCI equipment etc., resets.
Claims (7)
1. a motherboard hardware power on/off system, comprise starting key, embedded control chip and power supply control chip; Described starting key sends to the machine open/close signal input end of embedded control chip, and the output terminal output enable signal of described embedded control chip is given a plurality of power supply control chips.
2. a motherboard hardware switching on and shutting down resetting system, comprise reset key and embedded control chip, and described reset key sends reset signal to embedded control chip.
3. a motherboard hardware starting-up method, comprise the steps:
(1) press starting key, starting key output low level signal is to embedded control chip;
(2) embedded control chip output high level enable signal is given a plurality of power supply control chips;
(3) the power supply control chip out-put supply uses for each equipment.
4. a kind of motherboard hardware starting-up method according to claim 3, it is characterized in that: described step (3) also comprises: power supply control chip output high level feeds back signal to embedded control chip.
5. a motherboard hardware closedown method, comprise the steps:
(1) length is pressed starting key, and starting key output low level signal is to embedded control chip;
(2) embedded control chip output low level enable signal is given a plurality of power supply control chips;
(3) power-off operation is completed in a plurality of power supply control chips output of cutting off the electricity supply.
6. a kind of motherboard hardware closedown method according to claim 5 is characterized in that: the long time by starting key is for being not less than 4 seconds.
7. a motherboard hardware repositioning method, comprise the steps:
(1) press reset key, reset key output key reset signal is to embedded control chip;
(2) embedded control chip output system reset signal is given each equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101531780A CN103149996A (en) | 2012-05-17 | 2012-05-17 | System and method for starting up, closing down and resetting hardware of mainboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101531780A CN103149996A (en) | 2012-05-17 | 2012-05-17 | System and method for starting up, closing down and resetting hardware of mainboard |
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| CN103149996A true CN103149996A (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101531780A Pending CN103149996A (en) | 2012-05-17 | 2012-05-17 | System and method for starting up, closing down and resetting hardware of mainboard |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110688260A (en) * | 2019-10-28 | 2020-01-14 | 西安闻泰电子科技有限公司 | EC reset circuit and electronic equipment based on earphone interface |
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| CN101751098A (en) * | 2008-12-02 | 2010-06-23 | 华为技术有限公司 | Method, device and system for realizing reset control |
| CN201638103U (en) * | 2010-03-10 | 2010-11-17 | 深圳华北工控股份有限公司 | Timing control system used on X86 structure platform |
| US20100332815A1 (en) * | 2009-06-26 | 2010-12-30 | Hung-Wei Yen | Peripheral control module, computer system, and operation method thereof |
| CN102045595A (en) * | 2010-11-05 | 2011-05-04 | 中国华录集团有限公司 | System for realizing standby and awakening of set top box by utilizing singlechip |
| CN102053684A (en) * | 2009-10-28 | 2011-05-11 | 深圳市朗驰欣创科技有限公司 | Resetting management system and method for processing resetting signal thereof |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1873585A (en) * | 2005-06-02 | 2006-12-06 | 株式会社东芝 | Information processing apparatus and controlling method thereof |
| CN101751098A (en) * | 2008-12-02 | 2010-06-23 | 华为技术有限公司 | Method, device and system for realizing reset control |
| US20100332815A1 (en) * | 2009-06-26 | 2010-12-30 | Hung-Wei Yen | Peripheral control module, computer system, and operation method thereof |
| CN102053684A (en) * | 2009-10-28 | 2011-05-11 | 深圳市朗驰欣创科技有限公司 | Resetting management system and method for processing resetting signal thereof |
| CN201638103U (en) * | 2010-03-10 | 2010-11-17 | 深圳华北工控股份有限公司 | Timing control system used on X86 structure platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110688260A (en) * | 2019-10-28 | 2020-01-14 | 西安闻泰电子科技有限公司 | EC reset circuit and electronic equipment based on earphone interface |
| CN110688260B (en) * | 2019-10-28 | 2023-07-07 | 西安闻泰电子科技有限公司 | EC reset circuit and electronic equipment based on earphone interface |
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Application publication date: 20130612 |