CN1878071A - Computer remote wakeup method and device based on network - Google Patents

Abstract

The invention discloses a computer remote arousal method and device based on network, which comprises the following steps: the computer network interface card supports remote arousal function; the pulse sending unit is connected between network interface card and computer mainboard power; the starting signal output end of network interface card LAN connects signal input end of pulse sending unit, whose output end connects pulse switch of computer mainboard power; (1) the computer network interface card judges whether the computer lies in the starting condition after it receives arousal signal of computer control in the LAN; if yes, the process is over; if not, the process enters step (2); (2) the network interface card sends LAN starting signal to trigger pulse sending unit to generate pulse control signal, which triggers pulse switch of computer mainboard power to open computer.

Description

Based on network computer remote wakeup method and device

Technical field

The present invention relates to a kind of based on network computer remote wakeup method and device.

Background technology

Communication and resource-sharing between each user of the demand for development of economic society need be linked to be network with a collection of computer.In the computer network, for solving the demand of deficient problem in IP address and information sharing, local area network (LAN) is to use the most a kind of, and it adopts broadcast mode client computer in same local area network (LAN) to send broadcast packet, greatly facilitates the mutual of information.As shown in Figure 1, in the existing typical local area network (LAN), the computer that comprises has: network main control end computer 110, and a plurality of controlled terminal computer as 120,121,122 ... 12n etc., these computers connect into local area network (LAN) by mode among the figure.In the actual life, the application of local area network (LAN) is very extensive.For example; computer in the network of school computer center or Internet bar; they are in together in the local area network (LAN); quantity as computer in this large-scale machine room is sizable; have up to a hundred at least; What is more may reach thousands of, even more, and this has brought a lot of problems for the keeper of these computers of management.Modal also is the most requisite as postboost start work, can not manually open by platform, generally need utilize calling function of network could realize freely these opening computer management.Realize the local area network (LAN) start, mainboard and network interface card must all be supported the Remote Wake Up function.General present mainboard is all supported this function, and 3 special core sockets are all arranged on the mainboard of support usually, so that be the network interface card power supply when shutdown.After network interface card installs an end of Remote Wake Up cable is inserted on WOL (Wake-up On LAN, the local area network (LAN) start) interface of network interface card, an other end links to each other with 3 pin WOL Remote Wake Up interfaces of mainboard.

As shown in Figure 2, be that the existing arousal function of network interface card that utilizes carries out the structured flowchart that computer wakes up.Each assembly and annexation thereof are: ATXpower supply 230 is connected incomputer motherboard 220,computer chipset 221,network interface card 210 etc. simultaneously and is its related chip power supply, even (do not close under the external power source situation) under the shutdown situation, the chip of above-mentioned each assembly also powers on, ATXpower supply 230 is connected in mainboard bypulse switch 250, for whole computer power supply so that its operate asnormal.Computer chipset 221 is connected inpulse switch 250 by cable, after receiving the WOL signal that network interface card is sent, sends the unbalanced pulse signal to pulse switch and opens computer.Even the system that normally shuts down computer deenergization, but still can givenetwork interface card 210,computer motherboard 220 andcomputer chipset 221 power supplies in very little power consumption mode from ATXpower supply 230, unless here the user adopt undesired (for example: pull out host power supply line plug or cut off the electric power networks supply of electric power, the outage of promptly operating a switch) before the operation, ATXpower supply 230 is to be in upstate always.After the wake command of coming automatic network was received bynetwork interface card 210,network interface card 210 send power managing signal PME# can forcomputer chipset 221, and chipset is according to power managing signal PME# unbalanced pulse switch, thereby woke computer up.

Yet existing this remote opening mode has a lot of defectives, causes the arousal function that can not realize computer in a lot of under the situation.At first, the prerequisite that realizes above-mentioned start mode is thatchipset 221 must be supported power management protocol, the equipment that computer is relevant must support to be provided with network interface card arousal function (for example: BIOS must support wake upon LAN function), if there is not the support of these conditions can not realize that calling function of network wakes computer up; Secondly, when after computer system power source disconnects (not having supply of electric power fully) fully, powering once more, thoughnetwork interface card 210 can receive the WOL order and send power managing signal PME#, (for example: some equipment ofcomputer chipset 221, relevant computer) thereby original setting is lost and is made the disabler that wakes computer up because computer wakes the control relevant apparatus up.And operate a switch outage back and can not Long-distance Control to start the situation of computer very general.

Summary of the invention

At the existing problem and shortage of above-mentioned existing remote opening mode, the purpose of this invention is to provide a kind of based on network computer remote wakeup method and device that guarantees remote opening computer success rate.

The present invention is achieved in that a kind of based on network computer remote wakeup method, wherein, the computer network interface card is supported the Remote Wake Up function, be connected with the pulsing unit between network interface card and the computer motherboard power supply, the local area network (LAN) starting-up signal output of network interface card is connected in the signal input part of pulsing unit, the output of pulsing unit is connected in the pulse switch of computer motherboard power supply, and this method may further comprise the steps:

(1) after the wake-up signal of control computer in the local area network (LAN) was received in the computer network clamping, whether computer was in open state under network interface card was judged it, if, then not dealing with, step finishes; Otherwise, enter step (2);

(2) network card chip sends the local area network (LAN) starting-up signal of network interface card, and the trigger impulse transmitting element sends control wave, triggers the pulse switch of computer motherboard power supply, impels computer booting.

Wherein, described pulsing unit is specially logic switch, is used to control the unlatching of computer motherboard power supply or close.

Wherein, comprise the MAC Address that remains to be waken up network interface card in the described wake-up signal, the control computer wakes computer under it up according to the MAC Address of network interface card in the local area network (LAN).

A kind of based on network computer remote wakeup device, network interface card is supported the Remote Wake Up function in the computer, this device comprises the pulsing unit, this pulsing unit is connected between the pulse switch of network interface card and computer motherboard power supply, the local area network (LAN) starting-up signal output of network interface card is connected in the signal input part of pulsing unit, the output of pulsing unit is connected in the pulse switch of computer motherboard power supply, after the wake-up signal of control computer in the local area network (LAN) is received in the computer network clamping, the trigger impulse transmitting element sends control wave, trigger the pulse switch of computer motherboard power supply, impel computer booting.

Wherein, described pulsing unit is specially logic switch, is used to control the unlatching of computer motherboard power supply or close.

Wherein, described computer motherboard power supply is the ATX power supply.

Wherein, described computer network interface card is independent network interface card or the integrated network card that is integrated into computer motherboard.

Wherein, between described network interface card and the pulsing unit, be connected by data cable between pulsing unit and the computer motherboard power supply.

The present invention is by directly acting on power-on pulse the pulse switch of power supply, under the deenergization state of the operation (but computer still has supply of electric power) of normally shutting down computer and in the undesired operation of shutting down computer (supply of computer unregulated power as the supply of electric power of cut-out electric power networks, the outage of promptly operating a switch) recovers behind the deenergization under the state that power supply connects (as closing a floodgate again), when detecting the WOL signal WOL that sends after the WOL order of network card chip acquisition from network, send the unlatching of pulse switch of the ATX power supply of pulse control computer, be equivalent to the effect that the user presses the computer power supply key switch, thereby wake computer up.

Description of drawings

Fig. 1 is the structural representation of existing LAN;

Fig. 2 is existing computer remote wakeup apparatus structure schematic diagram;

Fig. 3 is a computer remote wakeup apparatus structure schematic diagram of the present invention;

Fig. 4 is a computer remote wakeup flow chart of the present invention.

Embodiment

Describe the present invention below in conjunction with accompanying drawing.

The present invention improves on the basis of Fig. 2 Rouser and realizes.As shown in Figure 3, Rouser of the present invention includespulsing unit 312, this pulsing unit is connected betweennetwork interface card 311 and the computermotherboard power supply 330, the local area network (LAN) starting-up signal output of network interface card is connected in the signal input part ofpulsing unit 312, the output ofpulsing unit 312 is connected in thepulse switch 350 of computer motherboard power supply, and the other end ofpulse switch 350 is connected on the computer motherboard 320.Also be provided with computerpower switch button 340 between computermotherboard power supply 330 and thepulse switch 350, this computerpower switch button 340 is used for manually opening computer.Between network interface card and the pulsing unit, be connected by data cable between pulsing unit and the computer motherboard power supply.Operate a switch or pull out before the attaching plug operation, ATXpower supply 330 all is to be in upstate, and ATXpower supply 330 is still tocomputer motherboard 320 andnetwork interface card 311 power supplies.Among the present invention, ATXpower supply 330 is connected incomputer motherboard 220,network interface card 311,pulsing unit 312 etc. simultaneously and is its related chip power supply.Whennetwork interface card 311 receives WOL order (carrying by waking protocol package up) on the automatic network, network interface card 311 (including network card chip) judges whether computer system is in off-mode (330 pairs of network interface card power supplies of ATX power supply), when detecting computer system is when being in the deenergization state, network card chip sends WOL signal WOL, triggerimpulse transmitting element 312 sends control wave, trigger thepulse switch 350 of computer motherboard power supply, provide operating voltage tocomputer motherboard 320, impel computer booting.

When computer system is under the deenergization state, and when not having the WOL order to give this controlled terminal computer, the user can produce pulse-triggered computer motherboard power-supplysystem pulse switch 350 by pressing computer powersupply key switch 340, thereby opens computer.The present invention supports normal boot-strap and artificial start dual mode.

Pulsing of thepresent invention unit 312 is a logic switch, control computer powersupply pulse switch 350 closed or close.The pulsing unit can be realized by optical coupler, promptly sends the logic shutdown command by triggering optical coupler to the pulse switch of computer motherboard power supply, thereby pulse switch cuts out, computer booting.Comprise the MAC Address that remains to be waken up network interface card in the wakeup packet of the present invention, the control computer wakes computer under it up according to the MAC Address of network interface card in the local area network (LAN).

Network interface card of the present invention is separate mesh card structure or mainboard integrated network card structure; It will be appreciated by those skilled in the art that and anyly realize that network connects and support the chip of power management all can realize the present invention.

As shown in Figure 4, the present invention includes following steps:

Instep 410, handle the main control end computer by the user and send the WOL order to the controlled terminal computer, that is to say and can the controlled terminal computer of desiring to wake up be set voluntarily by the user.The MAC Address of the network interface card by computer to be waken up is determined to send wakeup packet (including the WOL order) to it;

Instep 420, wakeup packet is broadcasted in local area network (LAN), and the WOL order that main control end is sent is received in the controlled terminal computer network clamping of corresponding MAC Address.

Instep 430, controlled terminal computer network interface card judges that whether the current computer system is off-mode, if the current computer system is in off-mode, then entersstep 440; Otherwise do not send WOL signal WOL, thereby can not trigger the pulse control switch that supply control unit is opened the ATX power supply yet, thereby can the computer that is moving not impacted yet.

Instep 440, the controlled terminal network card chip sends WOL signal WOL;

Instep 450,pulsing unit 312 on the controlled terminal computer detects the WOL signal that network card chip sends, will send control impuls and open the ATX power supply, be equivalent to the effect that the user presses the computer power supply key switch, so just wake the controlled terminal computer up.

The present invention can guarantee the success rate of each power management, particularly when the object computer open command, though be computer operate a switch power on (power supply again after power supply, power supply are disconnected again after operating a switch) still normal shutdown cut off the power supply, can both guarantee to wake up.Remote wake-up method of the present invention is applicable in any network configurations such as local area network (LAN) LAN, Internet, metropolitan area network, wide area network.

Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those skilled in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims (10)

1, a kind of based on network computer remote wakeup method, wherein, the computer network interface card is supported the Remote Wake Up function, it is characterized in that, be connected with the pulsing unit between network interface card and the computer motherboard power supply, the local area network (LAN) starting-up signal output of network interface card is connected in the signal input part of pulsing unit, and the output of pulsing unit is connected in the pulse switch of computer motherboard power supply, and this method may further comprise the steps:

(1) after the wake-up signal of control computer in the local area network (LAN) was received in the computer network clamping, whether computer was in open state under network interface card was judged it, if, then not dealing with, step finishes; Otherwise, enter step (2);

(2) network card chip sends the local area network (LAN) starting-up signal of network interface card, and the trigger impulse transmitting element sends control wave, triggers the pulse switch of computer motherboard power supply, impels computer booting.

2, based on network computer remote wakeup method according to claim 1 is characterized in that, the local area network (LAN) starting-up signal of described network interface card is specially level signal, to provide the logic control level to the pulsing unit.

3, based on network computer remote wakeup method according to claim 2 is characterized in that, described pulsing unit is specially logic switch, is used to control the unlatching of computer power supply pulse switch or close.

4, based on network computer remote wakeup method according to claim 3 is characterized in that, comprises the MAC Address that remains to be waken up network interface card in the described wake-up signal, and the control computer wakes computer under it up according to the MAC Address of network interface card in the local area network (LAN).

5, based on network computer remote wakeup method according to claim 1 is characterized in that, described computer motherboard power supply is the ATX power supply.

6, a kind of based on network computer remote wakeup device, network interface card is supported the Remote Wake Up function in the computer, it is characterized in that, this device comprises the pulsing unit, this pulsing unit is connected between the pulse switch of network interface card and computer motherboard power supply simultaneously, the local area network (LAN) starting-up signal output of network interface card is connected in the signal input part of pulsing unit, the output of pulsing unit is connected in the pulse switch of computer motherboard power supply, after the wake-up signal of control computer in the local area network (LAN) is received in the computer network clamping, the trigger impulse transmitting element sends control wave, trigger the pulse switch of computer motherboard power supply, impel computer booting.

7, based on network computer remote wakeup device according to claim 6 is characterized in that, described pulsing unit is specially logic switch, is used to control the unlatching of computer motherboard power supply or close.

8, based on network computer remote wakeup device according to claim 6 is characterized in that, described computer motherboard power supply is the ATX power supply.

9, based on network computer remote wakeup device according to claim 6 is characterized in that, described computer network interface card is independent network interface card or the integrated network card that is integrated into computer motherboard.

10, based on network computer remote wakeup device according to claim 6 is characterized in that, between described network interface card and the pulsing unit, be connected by data cable between pulsing unit and the computer motherboard power supply.

Images