CN101571743B - Power management method for main board and display card thereof - Google Patents

Power management method for main board and display card thereof Download PDF

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Publication number
CN101571743B
CN101571743B CN2008100959624A CN200810095962A CN101571743B CN 101571743 B CN101571743 B CN 101571743B CN 2008100959624 A CN2008100959624 A CN 2008100959624A CN 200810095962 A CN200810095962 A CN 200810095962A CN 101571743 B CN101571743 B CN 101571743B
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video card
mainboard
efficiency mode
microcontroller
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CN101571743A (en
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吴潮崇
李侑澄
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Asustek Computer Inc
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Asustek Computer Inc
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Abstract

The invention relates to a power management method for a main board and a display card thereof. When the main board is switched to a second efficiency mode from a first efficiency mode, a microcontroller in the main board can output an adjusting signal to the display card through a special connector to correspondingly adjust the working parameters of the display card, thus the integral effects of a computer on saving energy and improving efficiency can be better.

Description

The method for managing power supply of mainboard and its video card
Technical field
The invention relates to a kind of mainboard, and particularly relevant for a kind of mainboard and the power-management interface that can manage mainboard and video card power supply service efficiency simultaneously.
Background technology
The global warming subject under discussion makes energy-conservation notion hot, and computer-related devices also all begins to pay attention to the relevant design of energy-conservation notion, and each mainboard manufacturer also all begins the design with energy-conservation notion is added in the mainboard.But the present energy-conservation technology of mainboard application of dynamic reduces power consumption, and the dynamic energy-saving technology is mainly utilized the electric power loop design of multisection type, lets power module the mainboard different power is provided according to different loads and electricity needs.By this, can reduce the consumed power of mainboard and the electrical efficiency that improves mainboard.
Because the present mainboard and the operating frequency and the WV of video card are to take independent setting, the user can be according to the user demand of itself, and the running parameter of adjusting respectively on mainboard and the video card reaches effect of saving energy.But video card can't adjust voluntarily corresponding running parameter according to the operator scheme of mainboard, and therefore, with regard to the power management of one-piece computer, no matter be enhancing efficiency or energy-conservation, the harmony of its convenience and electric power adjustment all has to be strengthened.
In addition, because mainboard is not necessarily identical with the WV and the frequency of video card, therefore in known technology; When mainboard carries out dynamic energy-saving; Video card can't be adjusted under the appropriate operating mode voluntarily, causes the electrical efficiency space, makes that the energy-saving benefit of overall calculation machine is ineffective.
Summary of the invention
The present invention provides a kind of mainboard, is applicable to a video card is installed, and this mainboard comprises one first connecting interface and a microcontroller.First connecting interface is in order to connect a video card; Microcontroller then is connected to video card via second connecting interface; When mainboard switched to second efficiency mode by first efficiency mode, microcontroller was via the running parameter of second connecting interface output adjustment signal to video card with correspondence adjustment video card.
The present invention proposes a kind of method for managing power supply of video card, comprises the following steps: at first, judges whether mainboard switches to second efficiency mode by first efficiency mode; And when mainboard switches to second efficiency mode by first efficiency mode, via the running parameter of universal input/output interface output one adjustment signal to video card with correspondence adjustment video card.
The present invention is because of being provided with exclusive connecting interface between mainboard and video card, mainboard can dynamically be adjusted the running parameter of video card through this connecting interface, makes its mode of operation that cooperates mainboard to reach best power management benefit and usefulness.
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts preferred embodiment, and cooperates appended graphicly, elaborates as follows.
Description of drawings
Fig. 1 is according to first embodiment of the invention mainboard calcspar.
Fig. 2 is according to second embodiment of the invention mainboard calcspar.
Fig. 3 is the method for managing power supply process flow diagram according to the third embodiment of the invention display.
Embodiment
First embodiment
Please with reference to Fig. 1, Fig. 1 is the mainboard calcspar according to first embodiment of the invention.Mainboard 100 comprises first connecting interface (comprising slot (slot) 130 and bus 117), microcontroller 110 and South Bridge chip 120.140 slots 130 by first connecting interface of video card are installed on the mainboard 100; Wherein first connecting interface then for example is peripheral component interconnection interface (pci interface) or high-speed peripheral component interconnection (PCIe) interface; Therefore 130 of slots for example are PCI slot or PCIe slot, and bus 117 employed specifications then for example are pci interface or PCIe interface.120 of South Bridge chips are connected to video card 140 through bus (for example SMBus) 125.110 of microcontrollers are connected to video card 140 via second connecting interface 115, and 115 of this second connecting interfaces for example are general input and output (General PurposeI/O, GPIO) interfaces.
When mainboard 100 carries out the switching of efficiency mode; For example by the extremely low usefulness pattern of high-effect mode switch; Or during by the paramount efficiency mode of low usefulness mode switch; Microcontroller 110 can be via second connecting interface, 115 outputs, one adjustment signal RS to video card 140, with the running parameter (for example WV, frequency of operation) of correspondence adjustment video card 140 to obtain preferable task performance.Generally speaking, during high-effect pattern, the WV of mainboard 100 or frequency of operation can be higher, and when low usefulness pattern, the WV of mainboard 100 or frequency of operation can be lower.The WV of mainboard 100, frequency are high more, and its power consumption is high more, but the usefulness of computer usually can be better.
When mainboard 100 extremely hangs down the usefulness pattern by high-effect mode switch; Can downgrade parameters such as WV, frequency to reduce power consumption; 110 of microcontrollers can be via second connecting interface, 115 outputs, one adjustment signal RS to video card 140, with the running parameter of correspondence adjustment video card 140.Video card 140 can downgrade parameters such as WV, frequency to increase energy-conservation benefit according to adjustment signal RS correspondence.Otherwise, when mainboard 100 carries out enhancing efficiency (by the paramount efficiency mode of low usefulness mode switch), can increase parameters such as WV, frequency to increase computing machine usefulness.At this moment, microcontroller 110 equally can be via second connecting interface, 115 outputs, one adjustment signal RS to video card 140, with the running parameter of correspondence adjustment video card 140.Then, video card 140 can increase parameters such as WV, frequency to increase computer usefulness according to adjustment signal RS correspondence.
In addition, microcontroller 110 also can be adjusted the running parameter of video card 140 via South Bridge chip 120.When the GPIO pin count that especially can support when 110 of microcontrollers is not enough, microcontroller 110 can be simultaneously through GPIO and SMBus transmission adjustment signal RS to video card 140, adjust the running parameter of video card 140 with correspondence.It should be noted that at present some mainboard manufacturer can combine formation one chip group with South Bridge chip and north bridge chips, though so present embodiment be example with South Bridge chip 120, present embodiment can also be represented by a chipset not as limit.In addition, present embodiment also can be provided with a button (not illustrating), is connected to microcontroller 110, adjusts signal RS to video card 140 in order to activation microcontroller 110 with output, with the running parameter of correspondence adjustment video card 140.That is to say that the user can set the running parameter of video card via hardware or application program.
Comprehensive speech; In the present embodiment; When parameters such as mainboard 100 adjustment WVs, frequency of operation were adjusted computing machine usefulness, microcontroller 110 promptly can be adjusted the parameter of video card 140 so that reach better energy-saving effect and the effect of enhancing efficiency via exclusive connecting interface.
Second embodiment
Fig. 2 is the mainboard calcspar according to second embodiment of the invention.The main difference of Fig. 2 and Fig. 1 is I/O chip (Super I/O) 210, first connector 252 and second connector 254.The I/O chip 210 main data transmission of being responsible for the peripheral unit of low speed, for example floppy disk, serial port, game paddles etc.First connector 252 and second connector 254 can be considered the part of second connecting interface 115; Mainly be used for connecting microcontroller 110 and video card 140; Wherein first connector 252 can be arranged on the mainboard 200, and second connector 254 then can be arranged on the video card 140.Then be connected between first connector 252 and second connector 254 through the GPIO interface.
I/O chip 210 is coupled to chipset 220 and microcontroller 110, and I/O chip 210 can be exported adjustment signal RS to video card 140, with the running parameter of correspondence adjustment video card 140 jointly with chipset 220.In other words, in the present embodiment, when mainboard 200 carries out the switching of efficiency mode, can control the running parameter of adjustment video card 140 simultaneously via microcontroller 110 and I/O chip 210.In addition, microcontroller 110 also can be adjusted the effect of the running parameter of video card 140 with reinforcement energy-saving effect and enhancing efficiency via the bus 125 between chipset 220 and the video card 140.The function of microcontroller 110 is as long as can make amendment via firmware (Frimware).Please with reference to above-mentioned first embodiment, do not add tired stating about all the other implementation details of present embodiment at this.
The 3rd embodiment
From another perspective, the foregoing description can be summarized a kind of method for managing power supply of video card, and please with reference to Fig. 3, Fig. 3 is the method for managing power supply process flow diagram according to the display of third embodiment of the invention.At first,, judge whether a mainboard switches to one second efficiency mode by first efficiency mode, for example by the extremely low usefulness pattern of high-effect mode switch or by the paramount efficiency mode of low usefulness mode switch at step S310.When mainboard carries out the switching of efficiency mode; Then get into step S320; Via the running parameter (for example WV, frequency etc.) of universal input/output interface output one adjustment signal to video card with correspondence adjustment video card; The task performance of mainboard and video card can be arranged in pairs or groups each other, further promote the effect of energy-conservation or enhancing efficiency.All the other details of the described method for managing power supply of present embodiment please with reference to the explanation of above-mentioned first embodiment and second embodiment, do not add tired stating at this.
In sum, the present invention makes mainboard can cooperate different efficiency modes dynamically to adjust the running parameter of video card because of exclusive connecting interface is set between mainboard and video card.By this, the duty of mainboard and video card can more be coordinated, make the better effects if, more efficient of the energy-conservation or enhancing efficiency of one-piece computer, power management is also more convenient.
Though the present invention discloses as above with preferred embodiment; Right its is not in order to limit the present invention; Has common knowledge the knowledgeable in the technical field under any; Do not breaking away from the spirit and scope of the present invention, when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.

Claims (16)

1. a mainboard is characterized in that, comprising:
First connecting interface is in order to connect video card; And
Microcontroller is connected to above-mentioned video card via second connecting interface;
Wherein, when above-mentioned mainboard switched to second efficiency mode by first efficiency mode, above-mentioned microcontroller was adjusted signal to above-mentioned video card via above-mentioned second connecting interface output, to adjust the running parameter of above-mentioned video card.
2. mainboard according to claim 1 is characterized in that, wherein first efficiency mode is high-effect pattern, and above-mentioned second efficiency mode is low usefulness pattern.
3. mainboard according to claim 1 is characterized in that, wherein first efficiency mode is low usefulness pattern, and second efficiency mode is high-effect pattern.
4. mainboard according to claim 1 is characterized in that, more comprises:
Chipset is connected to above-mentioned video card via System Management Bus;
Wherein, microcontroller is connected to the said chip group, and via above-mentioned second connecting interface and common above-mentioned adjustment signal to the above-mentioned video card of exporting of said system management bus, adjusts the running parameter of above-mentioned video card with correspondence.
5. mainboard according to claim 4 is characterized in that wherein the said chip group comprises South Bridge chip and north bridge chips, and above-mentioned South Bridge chip connects above-mentioned north bridge chips, and is connected to above-mentioned video card through the said system management bus.
6. mainboard according to claim 4 is characterized in that, more comprises:
I/O chip is connected in said chip group and above-mentioned microcontroller;
Wherein, above-mentioned microcontroller and above-mentioned I/O chip are exported the adjustment signal jointly to video card, with the running parameter of correspondence adjustment video card.
7. mainboard according to claim 1 is characterized in that, wherein second connecting interface is a universal input/output interface.
8. mainboard according to claim 1 is characterized in that, wherein second connecting interface comprises:
First connector is arranged on the above-mentioned mainboard; And
Second connector is arranged on the above-mentioned video card, and is connected to above-mentioned first connector via universal input/output interface.
9. mainboard according to claim 1 is characterized in that, wherein the above-mentioned running parameter of above-mentioned video card comprises frequency of operation or WV.
10. mainboard according to claim 1 is characterized in that, more comprises:
Button is connected to above-mentioned microcontroller, and the above-mentioned microcontroller of activation is so that above-mentioned microcontroller output adjustment signal is adjusted the above-mentioned running parameter of above-mentioned video card to above-mentioned video card.
11. mainboard according to claim 1 is characterized in that, wherein first connecting interface comprises:
Slot is in order to be connected to aforementioned display device; And
Bus, microcontroller is connected to above-mentioned slot via above-mentioned bus.
12. mainboard according to claim 1 is characterized in that, wherein first connecting interface is peripheral component interconnection interface or high-speed peripheral component interconnection interface.
13. the method for managing power supply of a video card is characterized in that, comprising:
Judge whether mainboard switches to second efficiency mode by first efficiency mode; And
When above-mentioned mainboard switches to second efficiency mode by first efficiency mode, to above-mentioned video card, adjust the running parameter of above-mentioned video card with correspondence via universal input/output interface output adjustment signal.
14. method for managing power supply according to claim 13 is characterized in that, wherein first efficiency mode is high-effect pattern, and second efficiency mode is low usefulness pattern.
15. method for managing power supply according to claim 13 is characterized in that, wherein first efficiency mode is low usefulness pattern, and second efficiency mode is high-effect pattern.
16. method for managing power supply according to claim 13 is characterized in that, wherein the above-mentioned running parameter of above-mentioned video card comprises frequency of operation or WV.
CN2008100959624A 2008-04-30 2008-04-30 Power management method for main board and display card thereof Active CN101571743B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102109899B (en) * 2009-12-23 2015-06-24 联想(北京)有限公司 Computer, displayer, and display method of computer
CN101739999B (en) * 2010-01-26 2012-04-11 南京Lg新港显示有限公司 Energy-saving display
CN103092304B (en) * 2011-10-31 2015-11-18 宏碁股份有限公司 The power control method of two video card module and the computer apparatus of application the method
TWI449921B (en) * 2011-12-21 2014-08-21 Acer Inc Device for switching power consumption and methodthereof
CN105094699B (en) * 2015-07-15 2018-10-02 浪潮(北京)电子信息产业有限公司 A kind of Cloud Server storage system
CN104932659B (en) * 2015-07-15 2020-01-07 京东方科技集团股份有限公司 Image display method and display system
CN114116021A (en) * 2020-08-27 2022-03-01 技嘉科技股份有限公司 Mode switching device of display card

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JP2001109418A (en) * 1999-10-04 2001-04-20 Mitsubishi Electric Corp Picture display device and control method therefor
CN1485708A (en) * 2002-09-28 2004-03-31 宏达国际电子股份有限公司 Process for converting frequency of central processing unit
US20050086552A1 (en) * 2002-06-25 2005-04-21 Fujitsu Limited Display unit and power save controller
CN1854987A (en) * 2005-04-18 2006-11-01 乐金电子(沈阳)有限公司 Power-supply saving controlling method and controller for imaging display device

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
JP2001109418A (en) * 1999-10-04 2001-04-20 Mitsubishi Electric Corp Picture display device and control method therefor
US20050086552A1 (en) * 2002-06-25 2005-04-21 Fujitsu Limited Display unit and power save controller
CN1485708A (en) * 2002-09-28 2004-03-31 宏达国际电子股份有限公司 Process for converting frequency of central processing unit
CN1854987A (en) * 2005-04-18 2006-11-01 乐金电子(沈阳)有限公司 Power-supply saving controlling method and controller for imaging display device

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