CN103092304B - The power control method of two video card module and the computer apparatus of application the method - Google Patents
The power control method of two video card module and the computer apparatus of application the method Download PDFInfo
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- CN103092304B CN103092304B CN201110338348.8A CN201110338348A CN103092304B CN 103092304 B CN103092304 B CN 103092304B CN 201110338348 A CN201110338348 A CN 201110338348A CN 103092304 B CN103092304 B CN 103092304B
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Abstract
A power control method for pair video card module, is applied to the computer apparatus with built-in video card module and display card module.The method comprises the following steps: provide integrating power supply control module, shares for built-in video card module and display card module for output voltage; Switching signal is received by integrating power supply control module; Export basic fixed voltage according to switching signal, to make built-in video card module enter built-in video card standby mode, or make built-in video card module and display card module enter built-in video card standby mode and display card standby mode respectively; Judge that switching signal corresponds to built-in video card module or display card module, make built-in video card module or display card module enter execution pattern to export corresponding voltage.Application the present invention, can all arrange corresponding energy supply control module for each video card module, with the complexity avoiding increase line design and assembly to arrange, saves cost and usage space.
Description
Art
The present invention relates to the power control method of a kind of pair of video card module, particularly a kind ofly use same energy supply control module to carry out the power control method of power supply control switching for different video card module, and use the computer apparatus of the method.
Background technology
General portable computer can be provided with built-in video card, to meet the basic display demand of computer; And for focusing on the more senior portable computer of video/audio function, the built-in video card of standard specification can not meet request for utilization, therefore the display card of high gauge corresponding can be set, to increase its display usefulness.Part machine, for providing display usefulness diversified selection, can arrange built-in video card and display card simultaneously, switch execution for computer system according to user demand.
No matter the display module of a new generation is adopt built-in video card or display card design, all has its execution usefulness and significantly promotes, relatively too increase its electrical energy demands; To this, the display card designed by Ge great factory (such as Intel and NVIDIA etc.) starts to support two-phase DC-DC converter (twophaseDCtoDCpowerconverter), to provide enough electric energy.But, only the CPU of computer inherently needs one group of two-phase or three-phase dc to direct current transducer, if add the new display module of not only a group, then need to arrange many group two-phase DC-DC converters, so by far from each other with the lightening design of portable computer.In addition, different control voltage required for display module and control mode also difference to some extent, the built-in video card of such as Intel adopts SMBUS as switching signal transmission path, NVIDIA display card then adopts GPIO signal, and internal circuit on the computer machine supporting two video card is arranged will be more complicated.
Summary of the invention
Fundamental purpose of the present invention is to provide and a kind ofly uses same energy supply control module to carry out the power control method of power supply control switching for different video card module.
For reaching above-mentioned object, the power control method of of the present invention pair of video card module is applied to computer apparatus, and computer apparatus comprises built-in video card module and display card module.The method comprises the following steps: provide integrating power supply control module, shares for built-in video card module and display card module for output voltage; Switching signal is received by integrating power supply control module; Export basic fixed voltage according to switching signal, to make built-in video card module enter built-in video card standby mode, or make built-in video card module and display card module enter built-in video card standby mode and display card standby mode respectively; Judge that switching signal corresponds to built-in video card module or display card module; When the corresponding built-in video card module of switching signal, cut off the power supply to display card module, and export the first supply voltage to built-in video card module to enter built-in video card execution pattern; And when the corresponding display card module of switching signal, export the second supply voltage to display card module and built-in video card module, make display card module enter display card execution pattern, and built-in video card module keeps corresponding standby mode.
In addition the present invention also provides the computer apparatus of the power control method of the two video card module of application of aforementioned.This computer apparatus comprises system module, built-in video card module, display card module and integrating power supply control module.System module is for generation of switching signal; Built-in video card module is different to enter built-in video card standby mode or built-in video card execution pattern according to acquired voltage; Display card module is different to enter display card standby mode and display card execution pattern according to acquired voltage; Integrating power supply control module is electrically connected system module, built-in video card module and display card module, integrating power supply control module is for receiving switching signal, and export basic fixed voltage according to switching signal, to make built-in video card module enter built-in video card standby mode, or built-in video card module and display card module is made to enter built-in video card standby mode and display card standby mode respectively.
When integrating power supply control module judges the built-in video card module of switching signal correspondence, integrating power supply control module cuts off the power supply to display card module, and exports the first supply voltage to built-in video card module to enter built-in video card execution pattern; When integrating power supply control module judges switching signal correspondence display card module, integrating power supply control module exports the second supply voltage to display card module and built-in video card module, make display card module enter display card execution pattern, and built-in video card module keep built-in display standby mode.
By design of the present invention, by means of only same group of integrating power supply control module, coordinate the Control of Voltage adjustment of setting, the switching that can reach built-in video card module and display card intermodule controls, corresponding energy supply control module need not be all set for each video card module, with the complexity avoiding increase line design and assembly to arrange, save cost and usage space.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of computer apparatus of the present invention.
Fig. 2 is the process flow diagram of the power control method of of the present invention pair of video card module.
Primary clustering symbol description:
Computer apparatus 100
System module 110
Built-in video card module 120
Display card module 130
Integrating power supply control module 140
Primary power control module 141
Video card modular power source control module 142
CPU (central processing unit) 150
System Management Bus 160
Embodiment
Below by embodiment also by reference to the accompanying drawings, the present invention will be further described.
Please refer to the schematic diagram that Fig. 1 is computer apparatus 100 of the present invention.In one embodiment of this invention, computer apparatus 100 is portable computer, such as notebook computer, panel computer, little pen electricity etc., but different according to application type, computer apparatus 100 also can be the device that other is provided with more than two display modules, is not limited with the present embodiment.
As shown in Figure 1, computer apparatus 100 of the present invention comprises system module 110, built-in video card module 120, display card module 130 and integrating power supply control module 140, and integrating power supply control module 140 and system module 110, built-in video card module 120 and display card module 130 are electrically connected, make the switching signal that integrating power supply control module 140 sends for receiving system module 110, and share for built-in video card module 120 and display card module 130 according to switching signal output voltage.In one embodiment of this invention, system module 110 can be hardware (such as circuit, electronic chip etc.), software (being such as stored in operating system in hard disk or internal memory or program etc.), firmware or aforementioned both above combinations, but the present invention is not as limit.
Built-in video card module 120 is provided with built-in video card standby mode and built-in video card execution pattern, is that selection enters different mode according to acquired voltage is different; Wherein when built-in video card module 120 obtains minimum voltage value, then enter built-in video card standby mode.Display card module 130 is provided with display card standby mode and display card execution pattern, and also according to acquired voltage is different, selection enters different mode; Wherein when display card module 130 obtains minimum voltage value, then enter display card standby mode.In one embodiment of this invention, built-in video card module 120 is the built-in video card adopting IntelGPU, and display card module 130 is then for adopting the display card of NVIDIAGPU, but the present invention is not as limit.
Integrating power supply control module 140 is electrically connected with System Management Bus (SMBUS) 160 and system module 110, is convenient to carry out Signal transmissions to each other.Integrating power supply control module 140 comprises primary power control module 141 and video card modular power source control module 142, primary power control module 141 is for controlling the voltage exporting CPU (central processing unit) 150 to, video card modular power source control module 142 then exports the voltage of built-in video card module 120 and display card module 130 to for synchro control, namely allow built-in video card module 120 and display card module 130 share display module power control unit 142 simultaneously.
In the present embodiment, primary power control module 141 controls to DC power converter (twoorthreephaseDCtoDCpowerconverter) voltage exporting CPU (central processing unit) to by two-phase or three-phase dc, and video card modular power source control module 142 then controls to DC power converter the voltage exporting built-in video card module 120 and display card module 130 to by another group two-phase direct current.By design of the present invention, even if the video card module that employing two groups is different, also only need many increases by one group of two-phase direct current to DC power converter, to reduce the setting of corresponding line and Power Supply Assembly; And do not need to start due to built-in video card module 120 and display card module 130 simultaneously, therefore can use the maximum current of direct current to DC power converter with only having a video card module in the time, therefore only utilizing one group of two-phase direct current can meet demand of the present invention to DC power converter.In addition integrating power supply control module 140 is more by embedded controller (embeddedcontroller, and/or South Bridge chip (platformcontrollerhub EC), PCH) come the built-in video card module 120 of synchro control and display card module 130, the present invention is not as limit.
Please refer to the process flow diagram that Fig. 2 is the power control method of of the present invention pair of video card module.It is noted that, though the power control method of of the present invention pair of video card module is described for the computer apparatus 100 shown in Fig. 1 below, but the present invention is not limited to be applicable to computer apparatus 100, the computer apparatus also applicable method of the present invention of the similar framework of other tool any.As shown in Figure 2, the power control method of of the present invention pair of video card module comprises step S201 to step S206.Each step of the method will be described in detail below.
Step S201: provide an integrating power supply control module 140, shares for built-in video card module 120 and display card module 130 for output voltage.
Computer apparatus 100 comprises integrating power supply control module 140, built-in video card module 120 and display card module 130 are all by the video card modular power source control module 142 of this integrating power supply control module 140, control the voltage swing exporting built-in video card module 120 and display card module 130 to, switch the different video card modules performed by current system with this.
Step S202: receive a switching signal by integrating power supply control module 140.
Computer apparatus 100 produces the switching signal to different video card module by system module 110, and this switching signal is sent to integrating power supply control module 140 by System Management Bus 160 is received.
Step S203: export a basic fixed voltage according to switching signal, to make built-in video card module 120 enter built-in video card standby mode, or built-in video card module 120 and display card module 130 is made to enter built-in video card standby mode and display card standby mode respectively.
The present invention is before the switching carrying out video card module, for the stability of keeping system, integrating power supply control module 140 must first provide fixing minimum amount of voltage that, for executory built-in video card module 120 or display card module 130 being first advanced into corresponding standby mode, to carry out follow-up video card module blocked operation.
In one embodiment of this invention, suppose that computer apparatus 100 is just performing built-in video card module 120 (being namely in built-in video card execution pattern) originally, display card module 130 is then off-position.After integrating power supply control module 140 receives switching signal, first first export basic fixed voltage and be supplied to separately built-in video card module 120, make built-in video card module 120 enter built-in video card standby mode by original built-in video card execution pattern, now basic fixed voltage equals the minimum amount of voltage that can enter its built-in video card standby mode for built-in video card module 120.
In another embodiment of the invention, suppose that computer apparatus 100 is just performing display card module 130 (being namely in display card execution pattern) originally, built-in video card module 120 is then in built-in video card standby mode.After integrating power supply control module 140 receives switching signal, first export basic fixed voltage and be supplied to built-in video card module 120 and display card module 130 simultaneously, continue to make built-in video card module 120 to keep its built-in video card standby mode, and make display card module 130 enter its display card standby mode by original display card execution pattern; Now can enter the minimum amount of voltage that of its built-in video card standby mode for built-in video card module 120, add the minimum amount of voltage that sum that can enter its display card standby mode for display card module 130, be i.e. basic fixed voltage for this reason.
Step S204: judge that switching signal corresponds to built-in video card module 120 or display card module 130.
After integrating power supply control module 140 receives switching signal, then judge that switching signal corresponds to built-in video card module 120 or display card module 130, to take different operating for different video card modules or to provide different magnitudes of voltage.And different for switching signal, select to continue to perform the following step S205 or step S206.
Step S205: when the corresponding built-in video card module 120 of switching signal, cut off the power supply to display card module 130, and export the first supply voltage to built-in video card module 120 to enter built-in video card execution pattern.When integrating power supply control module 140 judges the built-in video card module 120 of switching signal correspondence, because the correlation function of display card module 130 need not be performed, therefore integrating power supply control module 140 can cut off the power supply to display card module 130, it is made to change to off-position from display card standby mode, to save electric quantity consumption; Integrating power supply control module 140 can export the first supply voltage to built-in video card module 120 and enter built-in video card execution pattern to make it simultaneously, makes computer apparatus 100 carry out display frame by performing built-in video card module 120.This first supply voltage is the different and respective change adjustment of program or load performed by system, and due to display card module 130 can not power consumption, therefore the first supply voltage is not more than built-in video card module 120 maximum supply voltage required under built-in video card execution pattern.
Step S206: when the corresponding display card module 130 of switching signal, export the second supply voltage to display card module 130 and built-in video card module 120, make display card module 130 enter display card execution pattern, and built-in video card module 120 keep corresponding standby mode.When integrating power supply control module 140 judges switching signal correspondence display card module 130, integrating power supply control module 140 can export the second supply voltage and enter display card execution pattern to display card module 130 to make it, makes computer apparatus 100 carry out display frame by performing display card module 130; And because built-in video card module 120 cannot stop it operating completely, still need to provide enough voltage with under built-in video card module 120 is remained on built-in video card standby mode, therefore the second supply voltage is the voltage summation of supply display card module 130 and built-in video card module 120.This second supply voltage also can the different and respective change adjustment according to program performed by system or load, and wherein the second supply voltage is not more than display card module 130 maximum supply voltage required under display card execution pattern and the minimum supply voltage sum required under built-in video card standby mode of built-in video card module 120.In addition, the maximal value due to the second supply voltage can be greater than the maximal value of the first supply voltage, and therefore the maximal value of the second supply voltage also equals the maximum output voltage value of integrating power supply control module 140.
By design of the present invention, for different built-in video card modules and display card module, the switching that can reach different video card intermodule by means of only same group of energy supply control module controls, do not need all to arrange corresponding energy supply control module to each video card module, to avoid too much assembly and circuit to arrange, save cost and usage space; In addition by controlling the adjustment of output voltage, make system more stable when performing the switching of different video card intermodule.
Above-described embodiment is only in order to principle of the present invention and effect thereof are described, but not for limiting the scope of the invention.Those skilled in the art without prejudice under know-why of the present invention and spirit, can make an amendment and change to embodiment.The scope of the present invention should be as claimed in claim.
Claims (8)
1. a power control method for two video card module, be applied to a computer apparatus, this computer apparatus comprises a built-in video card module and a display card module, and the method comprises the following steps:
One integrating power supply control module is provided, shares for this built-in video card module and this display card module for output voltage;
A switching signal is received by this integrating power supply control module;
Export a basic fixed voltage according to this switching signal, to make this built-in video card module enter a built-in video card standby mode, or make this built-in video card module and this display card module enter this built-in video card standby mode and a display card standby mode respectively; This basic fixed voltage is enter the minimum amount of voltage that of this built-in video card standby mode for this built-in video card module, or for this built-in video card module and this display card module enter respectively each minimum amount of voltage that of this built-in video card standby mode and this display card standby mode and;
Judge that this switching signal corresponds to this built-in video card module or this display card module;
When this switching signal to should built-in video card module time, cut off the power supply to this display card module, and export one first supply voltage to this built-in video card module to enter a built-in video card execution pattern; And
When this switching signal to should display card module time, export one second supply voltage to this display card module and this built-in video card module, make this display card module enter a display card execution pattern, and this built-in video card module keep this built-in video card standby mode.
2. the method for claim 1, is characterized in that, this first supply voltage is not more than this built-in video card module maximum supply voltage required under this built-in video card execution pattern.
3. the method for claim 1, it is characterized in that, this second supply voltage be not more than this display card module maximum supply voltage required under this display card execution pattern minimum supply voltage required under this built-in video card standby mode with this built-in video card module with.
4. the method for claim 1, it is characterized in that, the maximum output voltage value of this integrating power supply control module equal this display card module maximum supply voltage required under this display card execution pattern minimum supply voltage required under this built-in video card standby mode with this built-in video card module with.
5. a computer apparatus, comprising:
One system module, for generation of a switching signal;
One built-in video card module is different to enter a built-in video card standby mode or a built-in video card execution pattern according to acquired voltage;
One display card module is different to enter a display card standby mode and a display card execution pattern according to acquired voltage; And
One integrating power supply control module, be electrically connected this system module, this built-in video card module and this display card module, this integrating power supply control module is for receiving this switching signal, and export a basic fixed voltage according to this switching signal, to make this built-in video card module enter this built-in video card standby mode, or this built-in video card module and this display card module is made to enter this built-in video card standby mode and this display card standby mode respectively; This basic fixed voltage is enter the minimum amount of voltage that of this built-in video card standby mode for this built-in video card module, or for this built-in video card module and this display card module enter respectively each minimum amount of voltage that of this built-in video card standby mode and this display card standby mode and;
When this integrating power supply control module judge this switching signal to should built-in video card module time, this integrating power supply control module cuts off the power supply to this display card module, and exports one first supply voltage to this built-in video card module to enter this built-in video card execution pattern; When this integrating power supply control module judge this switching signal to should display card module time, this integrating power supply control module exports one second supply voltage to this display card module and this built-in video card module, make this display card module enter this display card execution pattern, and this built-in video card module keep this built-in video card standby mode.
6. computer apparatus as claimed in claim 5, is characterized in that, the maximum output voltage value of this integrating power supply control module equal maximum supply voltage required for this display card module and this minimum supply voltage required for built-in video card module with.
7. computer apparatus as claimed in claim 5, is characterized in that, this first supply voltage is not more than this built-in video card module maximum supply voltage required under this built-in video card execution pattern.
8. computer apparatus as claimed in claim 5, it is characterized in that, this second supply voltage be not more than this display card module maximum supply voltage required under this display card execution pattern minimum supply voltage required under this built-in video card standby mode with this built-in video card module with.
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| CN105807883B (en) * | 2016-03-09 | 2019-10-29 | 联想(北京)有限公司 | A kind of method for controlling power supply, device and electronic equipment |
| CN111158625A (en) * | 2019-12-31 | 2020-05-15 | 中国电子科技集团公司第十五研究所 | Double-independent display card dynamic switching device and method based on Feiteng platform |
| CN112306213B (en) * | 2020-11-02 | 2024-03-08 | 上海闻泰电子科技有限公司 | Display card mode switching method and device based on terminal, storage medium and terminal |
| CN112435635B (en) * | 2020-11-05 | 2022-03-08 | 联宝(合肥)电子科技有限公司 | Brightness adjusting method and device and computer storage medium |
| CN116028211B (en) * | 2022-05-16 | 2024-06-21 | 荣耀终端有限公司 | Display card scheduling method, electronic equipment and computer readable storage medium |
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