CN101576765A - Method, element and circuit board for controlling electronic device to shut down - Google Patents
Method, element and circuit board for controlling electronic device to shut down Download PDFInfo
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Abstract
The invention provides a method, an element and a circuit board for controlling an electronic device to shut down. The method comprises the following steps: firstly, receiving a power supply control signal and calculating the duration time of the power supply control signal in a predetermined electric level; and next, judging whether the duration time is greater than a threshold value, if so, generating an interrupt signal and transmitting the interrupt signal to a processing module of the electronic device so as to drive the processing module to set predetermined mechanisms of the electronic device according to the interrupt signal. When the electronic device is forcibly shut down, the invention firstly sets a plurality of predetermined mechanisms of the electronic device, so the electronic device still can retain the predetermined mechanisms after being shut down forcibly.
Description
Technical field
The present invention relates to a kind of method, element and circuit board, and be particularly related to a kind of method, element and circuit board in order to control electronic installation forced shutdown (force shutdown) in order to the shutdown of control electronic installation.
Background technology
Along with the fast development of electronic correlation technology, electronic installations such as computing machine, mobile phone have become indispensable aid in modern's life.Usually, all can comprise mainboard (Mother Board) in all kinds of electronic devices, mainboard is provided with the chipset of carrying out various functions; Passive element such as resistance, electric capacity; And the slot that supplies various functional circuit plates to peg graft.And, connect by fine and closely woven and complicated circuit between each chipset, passive element and the slot.
See also Fig. 1, it is depicted as the main board function block scheme in the prior art.(BasicInput/Output System, BIOS) chip 76 and I/O control chip 78 constitute the main framework of mainboard 7 by central processing unit 70, north bridge chips 72, South Bridge chip 74, basic input/output.Wherein, data transmission and the control between north bridge chips 72 responsible central processing unit 70, primary memory 710 and the display device (not being shown among the figure); South Bridge chip 74 is responsible for the communication of central processing unit 70 and BIOS chip 76 and part peripheral device, and these peripheral devices comprise needs the interface of high speed extended area 730, memory storage 732, network control element 734 or the like.In addition, only need then to control as serial port 750, parallel port 752, keyboard 754, mouse 756 and power supply unit 758 etc. by I/O control chip 78 than the peripheral device of low transmission speed.
In addition, BIOS chip 76 can carry out initializing set at chipset on the mainboard 7 and peripheral device, and operating system is loaded in the primary memory 710 from memory storage 732.Further, BIOS chip 76 also is available for users to set the specific mechanism of electronic installation, for example WOL (Wake On LAN) (Wake OnLAN, WOL), mechanism such as keyboard wakes up, mouse wakes up.
With WOL is example, when electronic installation carries out normal shutdown, operating system can be called out BIOS chip 76 earlier and be started WOL mechanism before powered-down, set correlation units such as network control element 734, South Bridge chip 74 for can accept WOL state by BIOS chip 76 again.After aforementioned setting was finished, operating system was just controlled power supply unit 758 and is interrupted power supply.Thus, the user can (for example transmit the wake-up signal package by remote server, by the magic package (magic packet) that AMD proposed) to this network control element 734, this network control element 734 transmits the wake events signal again to South Bridge chip 74, and South Bridge chip 74 is according to this electronic installation start of this wake events signal controlling.
In addition, electronic installation comprises power switch 80 usually, and it connects I/O control chip 78, and this power switch 80 can send power control signal to I/O control chip 78.When power switch 80 is in normal condition, power control signal has first level (signal level), and when power switch 80 was subjected to the user and pushes, the level of power control signal can be transformed to second level (usually, second level is lower than first level).When the level that detects power control signal when I/O control chip 78 changes, just can the notifying operation system carry out aforesaid shutdown programm.
Yet, when if electronic installation carries out undesired shutdown, for example the user causes the electronic installation forced shutdown lasting 80 several seconds of pushing power switch, power supply unit 758 can directly interrupt power supply, cause BIOS chip 76 to have little time correlation units such as setting network control element 734, South Bridge chip 74, and then make the WOL mechanism failure.Similarly, other mechanism that need be set by BIOS chip 76 before shutdown all may lose efficacy because electronic installation carries out undesired shutdown.
Summary of the invention
Therefore, a purpose of the present invention is to provide a kind of method in order to the shutdown of control electronic installation, in order to solve the problem in the prior art.
According to of the present invention one preferred specific embodiment, this method comprises the following step: at first, receive a power control signal, and calculate the duration that this power control signal is in a predetermined level.Then, judge that whether this duration is greater than a threshold value.At last,, produce a look-at-me, and this look-at-me is sent to a processing module of this electronic installation, set the default machine-processed of this electronic installation according to this look-at-me to drive this processing module if judged result is for being.
Another object of the present invention is to provide a kind of element, in order to solve the problem in the prior art in order to the shutdown of control electronic installation.
According to of the present invention one preferred specific embodiment, this element connects a power switch of this electronic installation, in order to receive the power control signal that this power switch transmits.And this element comprises a judge module, whether is in the duration of a predetermined level greater than a threshold value in order to judge this power control signal.If this judge module produces a look-at-me, and this look-at-me is sent to a processing module of this electronic installation, sets a default mechanism of this electronic installation according to this look-at-me to drive this processing module.
A further object of the present invention is to provide a kind of circuit board in order to the shutdown of control electronic installation, in order to solve the problem in the prior art.
According to of the present invention one preferred specific embodiment, this circuit board comprises a control element, a South Bridge chip and a processing module.This control element connects a power switch and a power supply unit of this electronic installation respectively, receives a power control signal in order to this power switch certainly.And this control element judges that whether duration that this power control signal is in a predetermined level is greater than a threshold value, if then this control element produces and export a look-at-me.This South Bridge chip then connects this control element and this processing module respectively, receives this look-at-me in order to this control element certainly, and this look-at-me is sent to this processing module.In addition, this processing module is set a default mechanism of this electronic installation according to this look-at-me.
Beneficial effect of the present invention is, method, element and circuit board in order to control electronic installation shutdown of the present invention can be set a plurality of default mechanism of this electronic installation earlier when the electronic installation forced shutdown, cause this electronic installation can still possess described a plurality of default mechanism behind forced shutdown.
Can be further understood by the following detailed description and accompanying drawings about the advantages and spirit of the present invention.
Description of drawings
Figure 1 shows that the functional-block diagram of the mainboard in the prior art;
Figure 2 shows that functional-block diagram according to the control element of a specific embodiment of the present invention;
Figure 3 shows that functional-block diagram according to the control circuit board of first specific embodiment of the present invention;
Figure 4 shows that functional-block diagram according to the control circuit board of second specific embodiment of the present invention;
Figure 5 shows that process flow diagram according to the control method of first specific embodiment of the present invention;
Figure 6 shows that process flow diagram according to the control method of second specific embodiment of the present invention.
Embodiment
The invention provides a kind of method, element and circuit board in order to the shutdown of control electronic installation.Especially, the method according to this invention, element and circuit board can be set a plurality of default mechanism of this electronic installation earlier when the electronic installation forced shutdown, cause this electronic installation can still possess described a plurality of default mechanism behind forced shutdown.In practical application, electronic installation of the present invention can be desk-top computer, notebook, flat computer etc., but is not subject to this.
See also Fig. 2, Figure 2 shows that functional-block diagram according to the control element of a specific embodiment of the present invention.As shown in Figure 2, this control element 10 connects the power switch 20 and a power supply unit 24 and a processing module 22 of an electronic installation (not being shown among the figure); Control element 10 is the power control signals that transmit in order to reception power switch 20, and it comprises temporary module 102, a computing module 104 and a judge module 106.
The present level of power control signal that is provided from power switch 20 can be provided temporary module 102.Computing module 104 connects temporary module 102, in order to when present level meets predetermined level, calculates the duration that power control signal is in predetermined level.
In practical application, power control signal has first level (for example, 1) as the aforementioned when power switch 20 is not pressed, and predetermined level can be made as second level (for example, 0) as the aforementioned.Therefore, when user's pushing power switch 20, the level of power control signal is changed to second level 0, therefore meets predetermined level.At this moment, computing module 104 just picks up counting, and is in the duration of predetermined level with the calculating power control signal.
106 of judge modules connect computing module 104, make comparisons in order to a duration and a predetermined threshold value that computing module 104 is calculated, to judge that whether the duration is greater than predetermined threshold value.In practical application, predetermined threshold value can be set by the deviser or the user of control element 10, for example, but be not subject to 2 seconds, 3 seconds, 4 seconds, 5 seconds, 10 seconds or the like.
When if judge module 106 judges that duration that power control signals are in predetermined level is greater than predetermined threshold value, judge module 106 produces look-at-me, and look-at-me is sent to processing module 22, sets the one or more default mechanism of electronic installation according to look-at-me to drive processing module 22.
In practical application, default mechanism of the present invention can be arouse machine processed, caution mechanism etc.Further, arouse machine processed can be WOL (Wake On LAN) mechanism, mouse arouse machine processed, keyboard arouse machine processed or other suitable arouse machine processeds.
Certainly, default mechanism of the present invention can be other suitable mechanism, and be not subject to here for example.Related content about described a plurality of mechanism will describe in detail in following specific embodiment.
In addition, if when judge module 106 judges that duration that power control signals are in predetermined level is less than predetermined threshold value, judge module 106 can not carry out any action.Perhaps, judge module 106 also can notify the operating system of electronic installation to carry out aforesaid normal shutdown program.
In practical application, when processing module 22 after setting default mechanism, can produce and export confirmation signal to control element 10, its power supply unit 24 according to confirmation signal control electronic installation is stopped power supply, so that electronic installation is shut down.
In sum, control element of the present invention can preestablish foregoing mechanism when electronic installation is forced to shut down, and avoids the problem that electronic installation causes described a plurality of mechanism to be lost because of forced shutdown in the known technology, and reduces user's puzzlement.
See also Fig. 3, Figure 3 shows that functional-block diagram according to the control circuit board of a specific embodiment of the present invention.As shown in Figure 3, this control circuit board 3 comprises control element 30, South Bridge chip 32 and processing module 34.In practical application, this control circuit board 3 can be a mainboard, but is not subject to this.
In practical application, control element 30 can comprise temporary as the aforementioned module 302, computing module 304 and judge module 306.The annexation of described a plurality of intermodules, the method for operation and function all with the front for example identical, do not give unnecessary details at this.Be noted that described a plurality of modules can be integrated or cut apart according to circumstances, are not limited to any specific forms.In addition, described a plurality of module may be that form with hardware or firmware exists.
South Bridge chip 32 couples control element 30 and processing module 34 respectively, receives look-at-me in order to control element 30 certainly, and look-at-me is sent to processing module 34.As previously mentioned, processing module 34 can be set the default mechanism of electronic installation according to look-at-me.
As previously mentioned, in practical application, when processing module 34 after setting default mechanism, it can produce and export confirmation signal to control element 30, and control element 30 is stopped power supply according to the power supply unit 42 of confirmation signal control electronic installation, so that electronic installation is shut down.
In practical application, processing module 34 of the present invention can be a basic input/output module or an embedded type control module (embedded control module), but is not subject to this.In addition, processing module 34 of the present invention may be that form with hardware or firmware exists.
Please, Figure 4 shows that functional-block diagram according to the control circuit board of another specific embodiment of the present invention again referring to Fig. 4.As shown in Figure 4, this control circuit board 3 also comprises central processing unit 36, north bridge chips 37 and network control element 38 except control element shown in Figure 3 30, South Bridge chip 32 and processing module 34.Certainly, in practical application, this control circuit board 3 also can comprise other suitable elements.
The various calculation functions of electronic installation can be carried out and control to central processing unit 36, and north bridge chips 37 couples central processing unit 36 and South Bridge chip 32 respectively, in order to assist between South Bridge chip 32 and central processing unit 36 signal transmission.In practical application, central processing unit 36 is plugged in the dedicated slot on the control circuit board 3, and can be replaced.In addition, network control element 38 is connected to South Bridge chip 32, and links up by South Bridge chip 32 and other elements on the control circuit board 3.
As previously mentioned, default mechanism of the present invention can be arouse machine processed, caution mechanism etc.Further, arouse machine processed can be WOL (Wake On LAN) mechanism, mouse arouse machine processed, keyboard arouse machine processed or other suitable arouse machine processeds.
For example, when this default mechanism was WOL (Wake On LAN) mechanism, processing module 34 setting network control elements 38 caused this network control element 38 can receive wake-up signal package as discussed previously.And processing module 34 is also set South Bridge chip 32, causes South Bridge chip 32 can receive the wake events signal that network control element 38 is produced according to this wake-up signal package.Whereby, even electronic installation is forced to shutdown, it still can possess WOL (Wake On LAN) mechanism by control circuit board 3 of the present invention.
Again for example, when this default mechanism is machine-processed for warning, processing module 34 transmits a drive signal to network control element 38, and network control element 38 sends alarm signal to a monitoring client (not being shown among the figure) according to this drive signal, will shut down to notify this electronic installation of this monitoring client.Whereby, this electronic installation can be notified monitoring client when being forced to shut down, and makes this monitoring client or relevant monitor staff do suitable disposal to this situation, for example, transmits wake-up signal to wake this electronic installation up.
See also Fig. 5, Figure 5 shows that process flow diagram according to the control method of a specific embodiment of the present invention.As shown in Figure 5, the method according to this invention comprises the following step:
Step S50 receives a power control signal, and calculates the duration that this power control signal is in a predetermined level.Step S52 judges that whether this duration is greater than a threshold value.If being judged as of step S52 is (for example, the user continues pushing power switch), then carry out step S54, produce a look-at-me, and this look-at-me is sent to a processing module of this electronic installation.By step S54, method of the present invention can drive this processing module is set this electronic installation according to this look-at-me a default mechanism.
According to step S54, this processing module should can produce and export a confirmation signal (step S56) after the default mechanism in setting, and, method of the present invention can further comprise step S58, receive this confirmation signal, and the power supply unit of controlling this electronic installation according to this confirmation signal is stopped power supply, so that this electronic installation is shut down.
In this specific embodiment, if being judged as of step S52 denied (for example, user's pushing power switch once back is decontroled), method then of the present invention can be carried out step S60, and the control electronic installation enters the normal shutdown state.Yet, in practical application, if being judged as of step S52 denied that method of the present invention also can not carried out any other step.
Note that above each step can be carried out (wherein, step S52 can be carried out by the judge module of this control element) by control element of the present invention, but also can carry out by other suitable unit (or module), be not limited to here for embodiment.
Further see also Fig. 6, Figure 6 shows that process flow diagram according to the control method of another specific embodiment of the present invention.As shown in Figure 6, step S50 shown in Figure 5 also can comprise the following step: step S500, receives this power control signal.Step S502 writes down a present level of this power control signal.Step S504 judges whether this present level meets this predetermined level.If being judged as of step S504 is then to calculate the duration that this power control signal is in this predetermined level in step S506.Note that above each step can be performed by the temporary module and the computing module of control element of the present invention respectively, but also can carry out by other suitable unit or module, be not limited to this instructions for embodiment.
In this specific embodiment, if being judged as of step S504 denied that method then of the present invention can be carried out step S62, keeps the electronic installation running status.Yet, in practical application, if being judged as of step S504 denied that method of the present invention also can not carried out any other step.
In addition, as mentioned above, this default mechanism can be arouse machine processed, caution mechanism etc.Further, arouse machine processed can be WOL (Wake On LAN) mechanism, mouse arouse machine processed, keyboard arouse machine processed or other suitable arouse machine processeds.And processing module of the present invention can be carried out foregoing setting or other suitable settings respectively at each mechanism.
In sum, method, element and circuit board in order to control electronic installation shutdown of the present invention can be set a plurality of default mechanism of this electronic installation earlier when the electronic installation forced shutdown, cause this electronic installation can still possess a plurality of default mechanism behind forced shutdown.
By the detailed description of above preferred specific embodiment, hope can be known description feature of the present invention and spirit more, and is not to come purpose of the present invention is limited with above-mentioned disclosed preferred specific embodiment.On the contrary, its objective is that hope can contain in the scope of claims of being arranged in of various changes and tool equality institute of the present invention desire application.Therefore, the scope of claims that the present invention applied for should be done the broadest explanation according to above-mentioned explanation, so that it contains the arrangement of all possible change and tool equality.
Claims (25)
1, a kind of method in order to the shutdown of control electronic installation is characterized in that, comprises the following step:
A receives power control signal, and calculates the duration that above-mentioned power control signal is in predetermined level;
B judges that whether the above-mentioned duration is greater than threshold value; And
C is if being judged as and being among the step b produces look-at-me, and above-mentioned look-at-me is sent to the processing module of above-mentioned electronic installation, sets the default mechanism of above-mentioned electronic installation according to above-mentioned look-at-me to drive above-mentioned processing module.
2, method according to claim 1 is characterized in that, wherein above-mentioned processing module produces and the output confirmation signal in setting above-mentioned default mechanism back, and said method further comprises the following step:
D receives above-mentioned confirmation signal, and stops power supply according to the power supply unit that above-mentioned confirmation signal is controlled above-mentioned electronic installation, with above-mentioned electronic installation shutdown.
3, method according to claim 1 is characterized in that, wherein step a further comprises the following step:
A1 writes down the present level of above-mentioned power control signal; And
When a2 meets above-mentioned predetermined level when above-mentioned present level, calculate the duration that above-mentioned power control signal is in above-mentioned predetermined level.
4, method according to claim 1 is characterized in that, wherein above-mentioned default mechanism is arouse machine processed.
5, method according to claim 4 is characterized in that, wherein above-mentioned arouse machine processed is WOL (Wake On LAN) mechanism, mouse arouse machine processed or keyboard arouse machine processed.
6, method according to claim 1 is characterized in that, wherein above-mentioned default mechanism is caution mechanism.
7, method according to claim 6, it is characterized in that, wherein above-mentioned processing module transmits the network control element of drive signal to above-mentioned electronic installation, and above-mentioned network control element sends alarm signal to monitoring client according to above-mentioned drive signal, will shut down to notify the above-mentioned electronic installation of above-mentioned monitoring client.
8, a kind of element in order to the shutdown of control electronic installation is characterized in that said elements connects the power switch of above-mentioned electronic installation, and in order to receive the power control signal that above-mentioned power switch transmits, said elements comprises:
Whether judge module is in the duration of predetermined level greater than threshold value in order to judge above-mentioned power control signal;
Wherein when duration that above-mentioned power control signal is in above-mentioned predetermined level during greater than above-mentioned threshold value, above-mentioned judge module produces look-at-me, and above-mentioned look-at-me is sent to the processing module of above-mentioned electronic installation, sets the default mechanism of above-mentioned electronic installation according to above-mentioned look-at-me to drive above-mentioned processing module.
9, element according to claim 8 is characterized in that, further comprises:
Temporary module is in order to write down the present level of above-mentioned power control signal; And
Computing module connects above-mentioned temporary module, in order to when above-mentioned present level meets above-mentioned predetermined level, calculates the duration that above-mentioned power control signal is in above-mentioned predetermined level;
Wherein above-mentioned judge module connects the aforementioned calculation module, in order to compare duration and the above-mentioned threshold value that the aforementioned calculation module is calculated, to judge that whether the above-mentioned duration is greater than above-mentioned threshold value.
10, element according to claim 8, it is characterized in that, wherein above-mentioned processing module produces and exports confirmation signal to above-mentioned element in setting above-mentioned default mechanism back, and the power supply unit that said elements is controlled above-mentioned electronic installation according to above-mentioned confirmation signal is stopped power supply, so that above-mentioned electronic installation is shut down.
11, element according to claim 8 is characterized in that, wherein above-mentioned default mechanism is arouse machine processed.
According to claim 11 a described element, it is characterized in that 12, wherein above-mentioned arouse machine processed is WOL (Wake On LAN) mechanism, mouse arouse machine processed or keyboard arouse machine processed.
13, element according to claim 8 is characterized in that, wherein above-mentioned default mechanism is caution mechanism.
14, element according to claim 13, it is characterized in that, wherein above-mentioned processing module transmits the network control element of drive signal to above-mentioned electronic installation, and above-mentioned network control element sends alarm signal to monitoring client according to above-mentioned drive signal, will shut down to notify the above-mentioned electronic installation of above-mentioned monitoring client.
15, element according to claim 8 is characterized in that, wherein above-mentioned processing module is basic input/output module or embedded type control module.
16, a kind of circuit board in order to the shutdown of control electronic installation is characterized in that, comprises:
Control element, the power switch and the power supply unit that connect above-mentioned electronic installation respectively, in order to receive power control signal from above-mentioned power switch, and judge that whether above-mentioned power control signal is in the duration of predetermined level greater than threshold value, if then above-mentioned control element produces and the output look-at-me; And
South Bridge chip connects above-mentioned control element and processing module respectively, in order to receiving above-mentioned look-at-me from above-mentioned control element, and above-mentioned look-at-me is sent to above-mentioned processing module;
Wherein above-mentioned processing module is in order to set the default mechanism of above-mentioned electronic installation according to above-mentioned look-at-me.
17, circuit board according to claim 16 is characterized in that, further comprises:
Central processing unit is in order to carry out and to control the various calculation functions of above-mentioned electronic installation; And
North bridge chips connects above-mentioned central processing unit and above-mentioned South Bridge chip respectively, in order to assist the signal transmission between above-mentioned South Bridge chip and above-mentioned central processing unit.
18, circuit board according to claim 16 is characterized in that, wherein above-mentioned control element further comprises:
Temporary module is in order to write down the present level of above-mentioned power control signal;
Computing module connects above-mentioned temporary module, in order to when above-mentioned present level meets above-mentioned predetermined level, calculates the duration that above-mentioned power control signal is in above-mentioned predetermined level; And
Judge module connects the aforementioned calculation module, in order to compare duration and the above-mentioned threshold value that the aforementioned calculation module is calculated, to judge that whether the above-mentioned duration is greater than above-mentioned threshold value.
19, circuit board according to claim 16, it is characterized in that, wherein above-mentioned processing module produces and exports confirmation signal to above-mentioned element in setting above-mentioned default mechanism back, and the power supply unit that said elements is controlled above-mentioned electronic installation according to above-mentioned confirmation signal is stopped power supply, so that above-mentioned electronic installation is shut down.
20, circuit board according to claim 16 is characterized in that, wherein above-mentioned default mechanism is arouse machine processed.
21, circuit board according to claim 20 is characterized in that, wherein above-mentioned arouse machine processed is WOL (Wake On LAN) mechanism, mouse arouse machine processed or keyboard arouse machine processed.
22, circuit board according to claim 21, it is characterized in that, wherein when above-mentioned arouse machine processed is above-mentioned WOL (Wake On LAN) mechanism, the foregoing circuit plate further comprises network control element, and above-mentioned processing module is set above-mentioned network control element, cause above-mentioned network control element can receive the wake-up signal package, and above-mentioned processing module is set above-mentioned South Bridge chip, causes above-mentioned South Bridge chip can receive the wake events signal that above-mentioned network control element is produced according to above-mentioned wake-up signal package.
23, circuit board according to claim 16 is characterized in that, wherein above-mentioned default mechanism is caution mechanism.
24, circuit board according to claim 23, it is characterized in that, further comprise network control element, wherein above-mentioned processing module transmits the network control element of drive signal to above-mentioned electronic installation, and above-mentioned network control element sends alarm signal to monitoring client according to above-mentioned drive signal, will shut down to notify the above-mentioned electronic installation of above-mentioned monitoring client.
25, circuit board according to claim 16 is characterized in that, wherein above-mentioned processing module is basic input/output module or embedded type control module.
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| CN2008100967599A CN101576765B (en) | 2008-05-09 | 2008-05-09 | Method, element and circuit board for controlling electronic device to shut down |
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| CN2008100967599A CN101576765B (en) | 2008-05-09 | 2008-05-09 | Method, element and circuit board for controlling electronic device to shut down |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780246A (en) * | 2012-07-31 | 2012-11-14 | 圣邦微电子（北京）股份有限公司 | Power supply control device and power supply control system |
| CN111414066A (en) * | 2020-02-29 | 2020-07-14 | 苏州浪潮智能科技有限公司 | Server expansion system and power supply control method thereof |
| CN114415546A (en) * | 2022-01-19 | 2022-04-29 | 环荣电子(惠州)有限公司 | Electronic equipment power supply operation method and electronic equipment |
| CN114553613A (en) * | 2021-12-31 | 2022-05-27 | 南京微智新科技有限公司 | Wired network control method, terminal equipment and control system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100247274B1 (en) * | 1997-04-18 | 2000-03-15 | 윤종용 | Power on/off confirming method |
| US6085328A (en) * | 1998-01-20 | 2000-07-04 | Compaq Computer Corporation | Wake up of a sleeping computer using I/O snooping and imperfect packet filtering |
| CN1287255C (en) * | 2003-06-25 | 2006-11-29 | 威达电股份有限公司 | Safety shutdown system and method |
| CN100378617C (en) * | 2003-09-09 | 2008-04-02 | 华宇电脑股份有限公司 | Network wakening device and method |
| CN1838030A (en) * | 2005-03-22 | 2006-09-27 | 浩鑫股份有限公司 | Integrated keying apparatus and method for computer power supply management |
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2008
- 2008-05-09 CN CN2008100967599A patent/CN101576765B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780246A (en) * | 2012-07-31 | 2012-11-14 | 圣邦微电子（北京）股份有限公司 | Power supply control device and power supply control system |
| CN111414066A (en) * | 2020-02-29 | 2020-07-14 | 苏州浪潮智能科技有限公司 | Server expansion system and power supply control method thereof |
| CN114553613A (en) * | 2021-12-31 | 2022-05-27 | 南京微智新科技有限公司 | Wired network control method, terminal equipment and control system |
| CN114415546A (en) * | 2022-01-19 | 2022-04-29 | 环荣电子(惠州)有限公司 | Electronic equipment power supply operation method and electronic equipment |
| CN114415546B (en) * | 2022-01-19 | 2024-03-26 | 环荣电子(惠州)有限公司 | Electronic equipment power supply operation method and electronic equipment |
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| CN101576765B (en) | 2011-08-10 |
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