CN1485706A - Network device for sustaining network wakeup function during undesired shutdown and method therefor - Google Patents
Network device for sustaining network wakeup function during undesired shutdown and method therefor Download PDFInfo
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- CN1485706A CN1485706A CNA031549438A CN03154943A CN1485706A CN 1485706 A CN1485706 A CN 1485706A CN A031549438 A CNA031549438 A CN A031549438A CN 03154943 A CN03154943 A CN 03154943A CN 1485706 A CN1485706 A CN 1485706A
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Abstract
The present invention discloses a network device and method having network wakeup function even the computer is undesired shutdown, the network device at least includes a physical layer and dielectric access control layer, when the dielectric access control layer detects the internet device is about to be shut down, it will set out resume signal to the physical layer or is electrically connected to the switch of the physical layer, which executes reset immediately to resume to a relative low presetting speed, enabling the internet device have sufficient power to complete the network wakeup function.
Description
Technical field
The invention relates to a kind of network equipment and method thereof, and still can have the network equipment and the method thereof of calling function of network during particularly relevant for a kind of undesired shutdown that is applied to Internet device (as personal computer or have mobile phone of WAP function or the like).
Background technology
WOL (Wake On LAN) (wake on lan) function has been indispensable function in general 10/100MHz network card.Calling function of network can be divided into three kinds: the calling function of network of calling function of network, the calling function of network in the power management and undesired shutdown before the power management.
The power management system of general Internet device (as personal computer) adopts, and for example is advanced configuration and power interface (Advanced Configuration and Power Interface, ACPI) standard.Under the state that Internet device is not started shooting, power supply unit system still provides the accessory power supply of 3.3V, wakes Internet device up for various peripheral devices.The PCI slot of Internet device does not provide the primary power of 5V as yet at this moment.
Calling function of network before first kind the power management is meant that network card has just inserted Internet device, and under the situation that driver etc. all also do not have to install, network card at this moment need possess the function that WOL (Wake On LAN) is arranged.The network card of this moment needs to receive the package that wakes Internet device up, generally is referred to as magic package (magicpacket).
Calling function of network in second kind the power management is meant that behind the normal shutdown, network card at this moment need possess the function that WOL (Wake On LAN) is arranged in the normal use of Internet device.
After the calling function of network of the third undesired shutdown was meant the undesired shutdown of Internet device, the network card of this moment still must possess the function that WOL (Wake On LAN) is arranged.
General 10/100MHz network card is supported all for above three kinds of calling function of network.Yet the 1GHz network card can't be supported the third calling function of network, because of the power of its consumption is bigger, make Internet device not the power supply unit under the open state arousal function of enough auxiliary power start 1G network card can't be provided.
Summary of the invention
In view of this, purpose of the present invention is exactly that a kind of network equipment and the method thereof that still can carry out calling function of network after the undesired shutdown of Internet device is being provided.
According to purpose of the present invention, the network equipment that a kind of undesired shutdown the time still can have calling function of network is proposed, be used for Internet device.Network equipment comprises Physical layer and medium accesses key-course at least.When the medium accesses key-course detects Internet device and is about to shut down, promptly send reset signal and give Physical layer or relevant switch.Physical layer or relevant switch receive reset signal and promptly carry out replacement, to revert to lower pre-set velocity, allow whole Internet device have enough electric power to finish the function of WOL (Wake On LAN).
According to one aspect of the present invention, provide a kind of undesired shutdown the time still can have the network equipment of calling function of network, be used for Internet device, this network equipment comprises: Physical layer; And medium accesses key-course; Wherein, when this medium accesses key-course detects this Internet device and is about to shut down, promptly send reset signal and give this Physical layer, this Physical layer receives this reset signal and promptly carries out replacement; And after this Physical layer was reset, this network equipment promptly operated on default than low velocity.
According to another aspect of the present invention, provide a kind of undesired shutdown the time still can have the network equipment of calling function of network, be used for Internet device, when this Internet device start, this Internet device provides primary power and accessory power supply, when this Internet device shutdown, system provides this accessory power supply, this network equipment comprises: switch, whether export power supply according to the switching signal decision, when this Internet device start, this open relation is exported this power supply according to this primary power, when this Internet device shutdown, this open relation is exported this power supply according to this accessory power supply; Physical layer operates according to this power supply; And the medium accesses key-course, this primary power that provides according to this Internet device and this accessory power supply and operate; Wherein, when this medium accesses key-course detects this Internet device and is about to shut down, send promptly that this switching signal is given this switch so that this not conducting of switch, and this Physical layer is decommissioned because of losing the power supply supply; After a period of time, this switching signal makes this switch conduction again, gives this Physical layer to power again, and then it is default than low velocity to make that this Physical layer that restarts operates on.
According to another aspect of the present invention, provide a kind of undesired shutdown the time still can have the network equipment of calling function of network, be used for Internet device, when this Internet device start, this Internet device provides primary power and accessory power supply, when this Internet device shutdown, is that this accessory power supply is provided, this network equipment comprises: switch receives this primary power that this Internet device provides and this accessory power supply and determines whether conducting according to switching signal and export power supply; Physical layer operates according to this power supply; The medium accesses key-course operates according to this power supply; And the buffering discharger, charge according to this primary power, when disappearing, this primary power promptly begins discharge; Wherein, when this buffering discharger detects this Internet device and is about to shut down, send promptly that this switching signal is given this switch so that this not conducting of switch, and this Physical layer is decommissioned because of losing the power supply supply; After a period of time, this switching signal makes this switch conduction again, gives this Physical layer to power again, and then it is default than low velocity to make that this Physical layer that restarts operates on.
According to another aspect of the present invention, when being provided, a kind of undesired shutdown still can have the method for calling function of network, the network equipment that is used for Internet device, when this Internet device start, this Internet device provides primary power and accessory power supply, when this Internet device shutdown, be that this accessory power supply is provided, this method comprises: detect this Internet device and whether be about to shutdown; The Physical layer that the output reset signal is given this network equipment; And this Physical layer resets according to this reset signal so that this network equipment operates on default than low velocity.
According to another aspect of the present invention, when being provided, a kind of undesired shutdown still can have the method for calling function of network, the network equipment that is used for Internet device, when this Internet device start, this Internet device provides primary power and accessory power supply, when this Internet device shutdown, be that this accessory power supply is provided, this method comprises: detect this Internet device and whether be about to shutdown; Output switching signal is with the power supply of the Physical layer of cutting off this network equipment; With buffering discharger this Physical layer of resetting, so that this Physical layer restarts in default than low velocity; And export this switching signal and give this Physical layer to power again.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below:
Description of drawings
The 1st figure illustrates and is a kind of network equipment synoptic diagram according to first embodiment of the invention.
It is the interior clock synoptic diagram of network equipment of first embodiment that the 2nd figure illustrates.
The 3rd figure illustrates and is the network equipment synoptic diagram according to second embodiment of the invention.
It is the interior clock synoptic diagram of network equipment of second embodiment that the 4th figure illustrates.
The 5th figure illustrates and is the network equipment synoptic diagram according to third embodiment of the invention.
It is the interior clock synoptic diagram of network equipment of the 3rd embodiment that the 6th figure illustrates.
Label declaration in the accompanying drawing:
100,300,500: network equipment
110: Physical layer
120: the medium accesses key-course
130,140,150: regulator
160: south bridge
170: network
580: the buffering electric discharge device
Embodiment
Just general common specification, under the state that Internet device is not started shooting, power supply unit only provides the accessory power supply of 3.3V, and maximum current is 375mA.Such power supply supply is not sufficient to start the calling function of network of 1GHz network card.
The pre-set velocity value of network card for example is to utilize the resistance or the wire jumper (jumper) that are external in the network card chips to set, therefore as long as after network card was reset, network card promptly operated on default velocity amplitude.The default value system of general 1GHz network card is located at lower running speed, so that the accessory power supply that Internet device is provided when not starting shooting can start the calling function of network of network card.Just the network card that starts promptly is to operate with low default velocity amplitude, and the running speed for the treatment of to reset again behind the os starting network card is 1GHz.
In first kind of calling function of network, therefore the 1GHz network card before the power management is the speed running with default 10/100MHz because operating system does not start as yet.Owing to the power consumption that the speed of 10/100MHz is required is less, its calling function of network gets final product normal operation.
In second kind of calling function of network, the network card under the normal shutdown is owing to can be adjusted to shutdown again behind the 10/100MHz with the speed of network card via operating system, but so also normal operation of its calling function of network.
Yet in the third calling function of network, network card under undesired shutdown system still keeps the setting before the shutdown, just operates on 1GHz, so power supply unit can't fully provide its required power supply, causes calling function of network to lose efficacy.
Spirit of the present invention promptly is to detect the undesired shutdown of Internet device, and network card is reverted to the speed of default 10/100M before shutdown, so that network card still can be carried out calling function of network after the Internet device shutdown.
The 1st figure illustrates to the time still can have the network equipment synoptic diagram of calling function of network according to a kind of undesired shutdown of first embodiment of the invention.Network equipment 100 is pci interface in the present embodiment, and places the PCI slot of Internet device.Network equipment 100 comprise at least Physical layer (physicallayer) 110, medium accesses key-course (medium access control layer, MAC) 120, regulator 130,140 and 150.Network equipment 100 is to see through medium accesses key-course 120 to link up with the south bridge 160 in the Internet device, and medium accesses key-course 120 is to link up with the network 170 of outside through Physical layer 110.
Primary power Vpci is after the Internet device start, offers the 5V voltage of PCI slot by power supply unit, no matter the 3.3V voltage that accessory power supply Vaux is an Internet device has or not start all to exist.Network equipment 100 promptly receives the power supply Vpci and the Vaux of PCI slot, and through regulator 130,140 or 150 to provide Physical layer 110 and medium accesses layer 120 different voltage.For example the voltage of regulator 140 output is 1.5V and the voltage of regulator 150 outputs is 2.5V.
Network equipment 100 detect Internet devices whether the method for undesired shutdown be to check by medium accesses key-course 120 whether primary power Vpci are reduced to subcritical voltage (for example 2.5V) by original 5V, if, represent that then Internet device to be ready being shut down, give Physical layer 110 so send reset signal Sr by medium accesses key-course 120.Physical layer 110 after the replacement promptly operates on the speed of default 10/100M, but so the still normal operation after undesired shutdown of the calling function of network of network equipment 100, and reach purpose of the present invention.
It is the interior clock synoptic diagram of network equipment of first embodiment that the 2nd figure illustrates.Under the Internet device open state, power supply Vpci and Vaux are respectively 5V and 3V.Begin to be reduced to and be lower than a critical voltage (for example 2.5V) when medium accesses key-course 120 detects voltage Vpci in time point t, the expression Internet device will be shut down, so Sr drags down with reset signal, the reset signal Sr that Physical layer 110 receives low level promptly carries out replacement.Physical layer 110 after the replacement is the pre-set velocity that operates on 10/100MHz, and its power consumption is less, but so still normal operation of the calling function of network of network equipment 100.
The 3rd figure illustrates to the time still can have the network equipment synoptic diagram of calling function of network according to the undesired shutdown of second embodiment of the invention.Network equipment 300 comprises Physical layer 110, medium accesses key-course 120, regulator 130, regulator 140, regulator 150 at least, reaches switch 310.Network equipment 100 is to link up with the south bridge 160 in the Internet device through medium accesses key-course 120, and medium accesses key-course 120 is to link up with the network 170 of outside through Physical layer 110.The output voltage of switch 310 receiver regulators 130, and export to Physical layer 110 and regulator 140.Switch 310 is conducting under default situation.
Network equipment 300 detect Internet devices whether the method for undesired shutdown be to check by medium accesses key-course 120 whether voltage Vpci are reduced to subcritical voltage (for example 1V) by original 5V, if represent that then Internet device to be ready being shut down.So by medium accesses key-course 120 via switching signal S1 so that switch 310 is not conducting, so Physical layer 110 loses operating power and decommissions.Physical layer 110 after restarting promptly operates on the speed of default 10/100MHz.But the therefore still normal operation of calling function of network of network equipment 100, and reach purpose of the present invention.
It is the interior clock synoptic diagram of network equipment of second embodiment that the 4th figure illustrates.Under the Internet device open state, voltage Vpci and Vaux are respectively 5V and 3V.Begin to be reduced to subcritical voltage (for example 2V) when medium accesses key-course 120 detects voltage Vpci in time point t, the expression Internet device will be shut down, then switching signal S1 is dragged down, to stop power supply to Physical layer 110.Physical layer 110 does not have operating power promptly to decommission.After drawing high etc. switching signal S1, promptly power to Physical layer 110 with accessory power supply Vaux again.The Physical layer 110 that restarts is the speed that operates on default 10/100M, and power consumption is less, so the still normal operation of the calling function of network of network equipment 300.
The 5th figure illustrates to the time still can have the network equipment synoptic diagram of calling function of network according to the undesired shutdown of third embodiment of the invention.Network equipment 500 comprises Physical layer 110, medium accesses key-course 120, regulator 130,140,150, switch 510 and buffering discharger 580 at least.Network equipment 100 is to link up with the south bridge 160 in the Internet device through medium accesses key-course 120, and medium accesses key-course 120 is to link up with the network 170 of outside through Physical layer 110.Switch 510 is to receive voltage Vaux and export to regulator 130, is conducting under the default situation.Buffering discharger 580 for example is made up of RC circuit, lc circuit or rlc circuit.When primary power Vpci existed, primary power Vpci system was to 580 chargings of buffering discharger.After primary power Vpci disappeared, buffering discharger 580 promptly began discharge.
Network equipment 500 detect Internet devices whether the method for undesired shutdown be to check by buffering discharger 580 whether voltage Vpci are reduced to subcritical voltage (for example 2.5V) by original 5V, if represent that then Internet device to be ready being shut down.The buffering discharger 580 via switching signal S2 so that switch 510 is not conducting, so Physical layer 110 loses operating power and decommissions.Buffering discharger 580 begins discharge to a certain size (or reduction reaches a period of time) after primary power Vpci reduces.After a period of time, even switching signal S2 switch 510 is powered with accessory power supply Vaux again for conducting.Physical layer 110 after restarting promptly operates on the speed of default 10/100M.But the therefore still normal operation of calling function of network of network equipment 500, and reach purpose of the present invention.
It is the interior clock synoptic diagram of network equipment of the 3rd embodiment that the 6th figure illustrates.Under the Internet device open state, voltage Vpci and Vaux are respectively 5V and 3V.Begin to be reduced to subcritical voltage (for example 2.3V) when buffering discharger 580 detects voltage Vpci in time point t, the expression Internet device will be shut down, then switching signal S2 is dragged down, to stop power supply to Physical layer 110 and medium accesses key-course 120.Physical layer 110 and medium accesses key-course 110 the two do not have operating power promptly to decommission.Therefore cushion discharger 580 and begin discharge because primary power Vpci disappears this moment.After drawing high etc. switching signal S2, promptly power again with accessory power supply Vaux.The Physical layer 110 that restarts is the speed that operates on default 10/100M, and its power consumption is less, but so still normal operation of the calling function of network of network equipment 500.
The disclosed network equipment of the above embodiment of the present invention can still can be carried out calling function of network under the undesired shutdown of Internet device.
In sum; though the present invention discloses as above with three preferred embodiments; right its is not in order to limit the present invention; anyly have the knack of this skill person; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking the accompanying Claim person of defining.
Claims (11)
1. a undesired shutdown time still can have the network equipment of calling function of network, is used for Internet device, and this network equipment comprises:
Physical layer; And
The medium accesses key-course;
Wherein, when this medium accesses key-course detects this Internet device and is about to shut down, promptly send reset signal and give this Physical layer, this Physical layer receives this reset signal and promptly carries out replacement; And after this Physical layer was reset, this network equipment promptly operated on default than low velocity.
2. network equipment as claimed in claim 1, wherein when this Internet device start, system provides primary power and accessory power supply, after this Internet device shutdown, system only provides this accessory power supply, this medium accesses control series of strata detect whether subcritical magnitude of voltage of this primary power, whether are about to shutdown to judge this Internet device.
3. a undesired shutdown time still can have the network equipment of calling function of network, is used for Internet device, when this Internet device start, this Internet device provides primary power and accessory power supply, when this Internet device shutdown, be that this accessory power supply is provided, this network equipment comprises:
Whether switch exports power supply according to the switching signal decision, and when this Internet device start, this open relation is exported this power supply according to this primary power, and when this Internet device shutdown, this open relation is exported this power supply according to this accessory power supply;
Physical layer operates according to this power supply; And
The medium accesses key-course, this primary power that provides according to this Internet device and this accessory power supply and operate;
Wherein, when this medium accesses key-course detects this Internet device and is about to shut down, send promptly that this switching signal is given this switch so that this not conducting of switch, and this Physical layer is decommissioned because of losing the power supply supply; After a period of time, this switching signal makes this switch conduction again, gives this Physical layer to power again, and then it is default than low velocity to make that this Physical layer that restarts operates on.
4. network equipment as claimed in claim 3, wherein this medium accesses control series of strata detect whether subcritical magnitude of voltage of this primary power, whether are about to shutdown to judge this Internet device.
5. a undesired shutdown time still can have the network equipment of calling function of network, is used for Internet device, when this Internet device start, this Internet device provides primary power and accessory power supply, when this Internet device shutdown, be that this accessory power supply is provided, this network equipment comprises:
Switch receives this primary power that this Internet device provides and this accessory power supply and determines whether conducting according to switching signal and export power supply;
Physical layer operates according to this power supply;
The medium accesses key-course operates according to this power supply; And
The buffering discharger charges according to this primary power, promptly begins discharge when this primary power disappears;
Wherein, when this buffering discharger detects this Internet device and is about to shut down, send promptly that this switching signal is given this switch so that this not conducting of switch, and this Physical layer is decommissioned because of losing the power supply supply; After a period of time, this switching signal makes this switch conduction again, gives this Physical layer to power again, and then it is default than low velocity to make that this Physical layer that restarts operates on.
6. network equipment as claimed in claim 5, wherein this medium accesses control series of strata detect whether subcritical magnitude of voltage of this primary power, whether are about to shutdown to judge this Internet device.
7. network equipment as claimed in claim 5 wherein should buffering discharger system be made up of the RC circuit.
8. still can have the method for calling function of network during a undesired shutdown, be used for the network equipment of Internet device, when this Internet device start, this Internet device provides primary power and accessory power supply, when this Internet device shutdown, be that this accessory power supply is provided, this method comprises:
Detect this Internet device and whether be about to shutdown;
The Physical layer that the output reset signal is given this network equipment; And
This Physical layer is reset according to this reset signal so that this network equipment operates on default than low velocity.
9. method as claimed in claim 8 wherein should detect step system and check whether subcritical magnitude of voltage of this primary power.
10. still can have the method for calling function of network during a undesired shutdown, be used for the network equipment of Internet device, when this Internet device start, this Internet device provides primary power and accessory power supply, when this Internet device shutdown, be that this accessory power supply is provided, this method comprises:
Detect this Internet device and whether be about to shutdown;
Output switching signal is with the power supply of the Physical layer of cutting off this network equipment;
With buffering discharger this Physical layer of resetting, so that this Physical layer restarts in default than low velocity; And
Export this switching signal and give this Physical layer to power again.
11. method as claimed in claim 10 wherein should detect step system and check whether subcritical magnitude of voltage of this primary power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03154943 CN1241093C (en) | 2003-08-25 | 2003-08-25 | Network device for sustaining network wakeup function during undesired shutdown and method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03154943 CN1241093C (en) | 2003-08-25 | 2003-08-25 | Network device for sustaining network wakeup function during undesired shutdown and method therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1485706A true CN1485706A (en) | 2004-03-31 |
| CN1241093C CN1241093C (en) | 2006-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03154943 Expired - Lifetime CN1241093C (en) | 2003-08-25 | 2003-08-25 | Network device for sustaining network wakeup function during undesired shutdown and method therefor |
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| CN (1) | CN1241093C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101232400B (en) * | 2008-02-25 | 2010-12-01 | 浪潮电子信息产业股份有限公司 | Method for allocating operating system through network guide |
| CN101431445B (en) * | 2007-11-08 | 2011-04-13 | 英业达股份有限公司 | Network awakening test system and method |
| US8095808B2 (en) | 2008-05-09 | 2012-01-10 | Asustek Computer Inc. | Method, element and circuit board for controlling shutdown of electronic device |
| CN111416719A (en) * | 2019-01-04 | 2020-07-14 | 佛山市顺德区顺达电脑厂有限公司 | Server device capable of waking up through network and method thereof |
-
2003
- 2003-08-25 CN CN 03154943 patent/CN1241093C/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431445B (en) * | 2007-11-08 | 2011-04-13 | 英业达股份有限公司 | Network awakening test system and method |
| CN101232400B (en) * | 2008-02-25 | 2010-12-01 | 浪潮电子信息产业股份有限公司 | Method for allocating operating system through network guide |
| US8095808B2 (en) | 2008-05-09 | 2012-01-10 | Asustek Computer Inc. | Method, element and circuit board for controlling shutdown of electronic device |
| CN111416719A (en) * | 2019-01-04 | 2020-07-14 | 佛山市顺德区顺达电脑厂有限公司 | Server device capable of waking up through network and method thereof |
| CN111416719B (en) * | 2019-01-04 | 2022-09-16 | 佛山市顺德区顺达电脑厂有限公司 | Server device capable of waking up through network and method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1241093C (en) | 2006-02-08 |
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