CN1490698A - Method and apparatus for rousing computer - Google Patents
Method and apparatus for rousing computer Download PDFInfo
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- CN1490698A CN1490698A CNA031093000A CN03109300A CN1490698A CN 1490698 A CN1490698 A CN 1490698A CN A031093000 A CNA031093000 A CN A031093000A CN 03109300 A CN03109300 A CN 03109300A CN 1490698 A CN1490698 A CN 1490698A
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Abstract
The method which can only be applied under wake-up state of the computer includes the follows: judging whether the computer is fallen into electricity failure or not and register setting should be checked if it is not; If resetting is required the resetting should be done in order to let the computer be started when power is reconnected on at electricity failure state; If the computer has been fallen into the electricity failure state the initialization can make the register of computer wake-up be at state to be worken-up; signal of preset wake-up is realized and initialized and then to shut down the computer. The unit of the present invention comprises judgement initialization, check and set devices.
Description
Technical field
The present invention relates to computer application field, be specifically related to a kind of computer method and device of waking up, be used to realize the computing machine power down after, wake computing machine when restoring electricity again up.
Background of invention
Dormancy awakening is a kind of technology in the computer application field, by dormancy awakening, can effectively save the consumption of electric energy, all be useful on the signal of dormancy awakening on the existing motherboard, computing machine can obtain the status information of main frame by checking these signals, realizes waking up.By utilizing the technology of dormancy awakening, computing machine can be realized Remote Wake Up, remote-controlled start-up, KBPO or the like.
Usually, the basic status of computing machine has following several:
G0/S0:Full On state.Under this state, computer booting and cpu operation.
The G1/S1:Stop-Grant state.Cpu does not carry out any instruction under this state.
The G1/S3:Suspend-To-Ram state.Under this state, the setting of the important register of system is saved in the internal memory, but host power supply is closed, and only has the power supply of internal memory to be kept.
The G1/S4:Suspend-To-Disk state.Under this state, except recovering required being provided with the power supply, all power supplies all are cut off.
G2/S5:Soft Off state.Under this state, computing machine is in off-mode, and except restarting required being provided with the power supply, computer power supply is closed.
G3:Mechanical Off state.At this moment, computing machine is in power-down state, and the powered battery on mainboard, externally fed is cut off.
For G0, G1/S1, G1/S3, G1/S4, these several states of G2/S5 have all had the ripe scheme of waking up, have just realized these functions as form.At present there is not disclosed technical scheme to be disclosed in waking up of G3 state as yet.
The G3 state is a kind of state of complete power down for computing machine, the battery on mainboard, and the power supply that computing machine is external never again; Usually, the G3 state is exactly the state that has cut off computer power supply.At the G3 state, the register that much is used for dormancy awakening has all been lost the information of preserving, and so, behind service restoration, computing machine just can't be realized waking up, can only start shooting by the start button of cabinet panel.
Such as in desktop computer and server, using RI (Ring Indicate, send by the modem interface, can realize that modem wakes up) signal and PME (PCI Power Management Event, send by PCI equipment, can be used for network interface card wakes up) signal carries out Remote Wake Up, when computing machine was in the s1-s5 state, Remote Wake Up can realize.But when owing to have a power failure or other incidents are when causing the computing machine power down,, have only by the power key of computing machine and start shooting again, could recover the function of Remote Wake Up even energized once more also can't realize the computer remote arousal function.
Application number is that 90108358.5 mandate Chinese patent discloses a kind of computer circuit breaking field data and preserves and restoration methods, can automatically field data all be deposited in hard disc when Alternating Current Power Supply interrupts preserves, after treating that power supply is normal, automatically recover on-the-spot again, state before computing machine can then cut off the power supply continues operation, but must add new hardware in computing machine.
Application number is that 97103669.1 mandate Chinese patent discloses a kind of personal computer that the CPU parameter value is set automatically, and computing machine comprises the system that bios program module and logical circuit constitute, and this system can directly reset the preset parameter of computer motherboard.Chinese patent application 99111230.X discloses the method for the multiple selection of a kind of system boot, utilizes bios program, realizes the multiple selection of start.But power up the method and apparatus that computer mode is recovered in the back after all unexposed outage of these two patents again.
The windows system of Microsoft, under the normal shutdown situation, next start can recover original state automatically, but sudden power start next time can not recover original state.
These prior aries do not have to solve the register that much is used for dormancy awakening at the G3 state and have all lost the information of preserving, and therefore, behind the service restoration, computing machine just can't be realized waking up, and can only be by the power key virgin state of starting shooting.
Summary of the invention
In order to overcome the above-mentioned shortcoming of prior art, the invention provides a kind of computer method that wakes up, wherein, when waking computing machine up, need to recover the preceding state of computer circuit breaking, described method comprises step:
Described computing machine Auto Power On;
Judge whether computing machine entered power failure state,
If computing machine did not enter power failure state, then check the setting of register, determine whether set again, set again if desired, the action of then carrying out set to be to guarantee computing machine under power failure state, after power supply recloses, can Auto Power On.Computing machine continues to carry out follow-up start process then;
If computing machine entered power failure state, then initialization can realize the state of register for being waken up that computing machine wakes up; Initialization and the described prearranged signal that wakes up of realization; Shut down computer then.
Alternatively, the described step that reads the content of the register that stores the preceding power supply state of computer circuit breaking in the described computing machine also comprises step: the state that reads PCR1 (page control register 1).
Preferably, the described step that reads the content of the register that stores the preceding state of computer circuit breaking in the described computing machine also comprises step: the 5bit (position) that reads described PCR1.
Alternatively, described judge computing machine whether the step of normal power down comprise that the 5bit that judges described PCR1 is designated as Binary Zero or 1.
Preferably, described initialization realizes that the step of waking the register of described computing machine under the computing machine dormant state up also comprises step: initialization SLP_EN (dormancy awakening allows, and only is provided with this register dormancy and just can be waken up) register.
Alternatively, described initialization comprises initialization RI signal with the described step of waking prearranged signal up of realization, and initialization PME signal.
Preferably, this method also comprises step: put the dutycycle that drives cpu fan signal and be made as 0.
Alternatively, the step of the state of described inspection predetermined register comprises inspection after G3 EN, and (this position is used to be provided with computing machine can be behind G3 state service restoration, Auto Power On) position, the state value of PCR2 (this position is used to be provided with computing machine can be behind G3 state service restoration, Auto Power On).(effect that these two registers are set simultaneously be adopt two kinds of dual assurance computing machines of method can Auto Power On after power supply)
Preferably, the step of described set comprises, if afterG3_EN bit is not 0, putting this position is 0; If the 5bit of PCR2 is not 1 for 1then puts this position.
Alternatively, this method also comprises step: the initialize routine of operation bios enters the operating system that the user selectes.
The present invention also provides a kind of device that wakes computing machine up, wherein, when waking computing machine up, needs to recover the preceding state of computer circuit breaking, and described device comprises:
Reading device is used for reading the content that described computing machine stores the register of the preceding power supply state of computer circuit breaking;
Judgment means is coupled to described reading device, is used to judge whether normal power down of computing machine;
Apparatus for initializing is used for when computing machine is normal power down, and initialization realizes waking up under the computing machine dormant state register of described computing machine; And initialization and the described prearranged signal that wakes up of realization;
Check and the set device, be used at described computing machine under power failure state, behind the service restoration Auto Power On, check the state of predetermined register, determine whether set again, when needs set again, enter the subsequent process of start after the set, when not needing set again, directly enter the subsequent process after the start.
Alternatively, wherein, described reading device comprises the PCR1 device of the state that reads PCR1 (APM/PME control register 1, their effect are the power managements of record and control computer); Described apparatus for initializing comprises the device of initialization SLP_EN register, and the device of initialization RI signal and initialization PME signal; Described inspection and set device comprise checks after G3 EN position and PCR2 (APM/PME control register 1, their effect is the record and the power management of control computer) if the testing fixture of state value to reach afterG3_EN bit be not that 0 to put this be 0 the first set device, if with the 5bit of PCR2 be not 1, putting this is 1 the second set device.
Preferably, described PCR1 device comprises the device of the 5bit (position) that extracts described PCR1; Described judgment means comprises comparer, is used to judge that the 5bit of described PCR1 is Binary Zero or 1.
Utilize the present invention, after can realizing system's power down, energized system auto-initiation relevant register and Status Flag once more, thus can be implemented in the recovery of computing machine behind the service restoration easily, also can realize computer functions such as KBPO, remote-controlled start-up, WOL (Wake On LAN).Expanded computer application.
Brief description of the drawings
Fig. 1 has described the process flow diagram that wakes computer method up in embodiment of the present invention;
Fig. 2 has described the state exchange block diagram of the process flow diagram that wakes computer method up among Fig. 1;
Fig. 3 has described the initialized process flow diagram of the embodiment of the invention, describes initialized step 50 of the present invention among Fig. 1 in detail.
Specific embodiment
For those skilled in the art being understood and implementing the present invention, now describe the present invention with reference to accompanying drawing in conjunction with the embodiments.
Because in the prior art, waking up under the G2/S5 state can realize, so as long as can be that the G2/S5 state just can be waking up of existing G3 state with computer initialization after restoring electricity under the G3 state.Therefore computer initialization becomes the S5 state, needs to recover the value of several important registers.So solve the key of G3 problem is how to recover the value of register.
The present invention is by allowing computing machine bios (Basic Input or Output System (BIOS)) operation initialize routine finish the set of important register and the work that computer mode is initialized as S5.Because the set of important register must be undertaken by program, and the service requirement cpu of program (central processing unit) is in running status, so the initialize routine operation necessarily requires computer booting.And the process of this start is the set register, so the process of this start wishes it is that the user is sightless, hope is hidden.Among the present invention the operation of initialize routine has been placed on before the VGA initialization, and after operation finished, bios sent shutdown command and closes by computing machine.Like this, the process of this start has just become the process that the user can't discover, and concerning them, computing machine is as not start.In fact, the operation of method of the present invention also can be placed on after the VGA initialization, and the function of method of the present invention is not had influence.
The method and apparatus of the realization of the Auto Power On of computing machine of the present invention after restoring electricity under the G3 state needs computer motherboard to have one of following two functions:
1, the south bridge of mainboard provides relevant register, and this register support is read/write, simultaneously by the mainboard powered battery, at s1, s3, s4, s5, value can not lost under power off (shutdown) state, can realize computing machine Auto Power On behind service restoration by this register of set.
2, the SUPER I/O of mainboard provides relevant register, this register support is read/is write, simultaneously by the mainboard powered battery, at s1, s3, s4, s5, value can not lost under the power off state, can realize that by this register of set SUPER I/O sends starting-up signal behind service restoration, makes the computing machine Auto Power On.
Usually, present mainboard (INTEL or SIS) all has this two kinds of registers, has these functions, therefore, can realize the present invention.
In concrete enforcement, can realize smoothly for system's Auto Power On after guaranteeing service restoration, used method simultaneously as mainboard south bridge register and the set of super I/O register.In an embodiment, adopt the ich5 of Intel and the 8712F chip of ITE, when describing these chips of use below in conjunction with accompanying drawing, the Auto Power On behind the service restoration.
At first, with reference to Fig. 1, Fig. 1 has described the process flow diagram that wakes computer method up in embodiment of the present invention.At first in step 10, BIOS is provided with mainboard register or super I/C register.In the ich5 of intel mainboard, one group of power management (power management) registers group is arranged, in the powermanagement registers group, GEN_PMCON_3 (General PM Configuration 3) (multiple power source administration configuration 3) register is one 8 a register, it supports to read/write, be by the mainboard powered battery, at s1, s3, s4, s5, its value can not lost under the G3 state, be mainly used in ACPI, Legacy (ACPI is a kind of power management standard, realizes the power supply management standard that has computing machine to observe).The 1bit (position) of this register, the 0bit of this register is that (its function is to realize under the power failure state by this register is set to AFTERG3_EN, computing machine can Auto Power On behind service restoration), this position is used for being provided with after computer power supply recovers to enter which kind of state, this position is that computer booting enters the s0 state behind the 0 expression service restoration, is that 1 expression system will enter the S5 state.
In step 20, computing machine enters the G3 state, then, in step 30, judges whether computing machine restores electricity, if do not recover, shows that computing machine also at the G3 state, if restore electricity, enters step 40.
In step 40, system boot in the present invention, is 0 by the position, 0bit position to AfterG3_EN, makes system enter open state behind service restoration.For the value that guarantees this bit is always 0, in the time of each computing machine normal boot-strap, all need scrutiny program be set in bios, check this bit, if its value is not 0, just the value with this bit is changed to 0.
And in the ITE (manufacturer of a tame I/O chip, product for other manufacturers, similar register is also arranged, register title difference just) 8712F chip, APC/PME (a kind of standard of power management) Control Register 2 (PCR 2 Offset=F4H, Default=00H) (APC/PME control register 2) its 5bit is set at 1 o'clock, system can send PSIN (a kind of Computer signal during service restoration under the G3 state, after this signal sends, computing machine just can send starting-up signal) signal, this signal can make computing machine send pwr ok signal, thereby causes Auto Power On.
Then, in step 50, move initialize routine of the present invention, the state of computing machine is set to the S5 state.Refer again to Fig. 2, Fig. 2 has described the state exchange block diagram of the process flow diagram that wakes computer method up among Fig. 1.At first, in step 210, system is in the G3 state, behind service restoration, in step 220, moves initialize routine of the present invention, makes system enter the S5 state in step 230.Among the present invention, in order to allow this program in when operation, the user can't perception, so it is placed on before the VGA initialization, after initialization of the present invention is finished, carry out power-off operation.In fact, also can be placed on all initialized any any positions before the program that enters the S5 state of computing machine, as the basic initialization of the first object computer in back of starting shooting, initialization flow process of the present invention carried out then, make computing machine enter the S5 state, recover the operation of computing machine automatically.Usually, in order to judge that computing machine is a normal boot-strap or from G3 recovering state power supply back Auto Power On, can utilize the register among the i/o to finish, used the 8712F chip of ITE in the embodiments of the invention, APC/PME Control Register 1 (PCR 1 Offset=F2H, Default=00H) its 5bit can the power supply state of storage computation machine before power down, according to this information that provides, if power supply is normal before the power down, computing machine must be from G3 recovering state power supply back Auto Power On so.Then, system is in step 60 shutdown, and in fact, step 60 might not be shut down, and only shows to have finished method of the present invention.
Fig. 3 has described the initialized process flow diagram of the embodiment of the invention, describes the details of the step 50 among Fig. 1 in detail.At first, in step 310, computer booting.Then in step 320, read the state of PCR1 (page control register 1), judge power before the 5bit instruct computer power down of PCR1 normal? if normal, method enters step 330, the dutycycle that drives cpu fan signal is made as 0, rotates to avoid fan; In step 332, initialization SLP_EN (dormancy awakening permission) register is to realize waking up computing machine under the dormant state then.In step 334, initialization RI signal, initialization PME signal, and other relevant signal of initialization.(these signals are a lot, mainly are the homing actions of finishing some registers, guarantee can wake up after the dormancy, and they are not the keys of the present invention and embodiment)
At last, in step 336, bios sends the instruction of the power supply of shutting down computer, with the power supply of shutting down computer.
If in step 320, power supply is undesired before judging the computing machine power down, then method changes step 340 over to, check after G3 EN, the set situation of PCR2, set again if desired, carry out entering step 342 after the set, continue to carry out start process, the initialize routine of operation bios enters the operating system that the user selectes.If do not need set again, directly enter step 342 and continue to carry out start process, the initialize routine of operation bios enters the operating system that the user selectes.
Realize that method of the present invention is as follows with natural language description in bios:
. the normal then of power supply before the 5bit instruct computer power down of If PCR1＜!--SIPO＜DP n=" 8 "〉--〉＜dp n=" d8 "/....; The dutycycle of cpu fan is made as 0 (being used for avoiding fan to rotate); Initialization SLP_EN register; (being used to realize waking up of s1-s5) initialization RI signal; Initialization PME signal; Bios sends shutdown command; ... If AfterG3_EN bit＜＞to put this position be 0 to 0then; The 5bit of If PCR2＜＞to put this position be 1 to 1then; The VGA initialization;
Described to adopt the method for concrete chip in the embodiments of the invention, for other chipsets, similar register is arranged also, so this method has been suitable equally.
In the present invention,, have the action of start because main frame operation initialize routine the time, thus the cpu fan can run up, though time very short (1-2) that fan rotates second concerning the user, is experienced bad.The fan of CPU has three PIN pin, and the one, the COM pin, the one, 12V, another is a control pin.Rotate behind the G3 recovering state for fear of fan, in scheme implementation, on mainboard, added one group of delay circuit, the cpu fan voltage delay 1-2 on the mainboard is exported second by delay circuit.Like this, behind service restoration under the G3 state, system's Auto Power On but because voltage time-delay output, so cpu can not rotate.In the process of start, bios moves initialize routine, and by the characteristic of dutycycle control rotation speed of the fan, when dutycycle was 0, fan can not rotate this programme in having utilized the temperature control circuit.Therefore this programme has added one section code the dutycycle output of control pin has been made as 0 in initialize routine, because dutycycle is 0, so as 1-2 after second, expire even delay time, fan can not run up yet.Like this, utilized the dutycycle of delay circuit and initialize routine control fan output, can well solve G3 state service restoration after, the problem that fan rotates.
In an embodiment of the present invention, the present invention is used to wake up the device of computing machine, comprising: reading device is used for reading the content that described computing machine stores the register of the preceding state of computer circuit breaking, in the present invention, utilize software control CPU and peripheral logical circuit to realize; PCR1 device comprising the state that reads PCR1 (page control register 1); And comprise the device that specifically obtains the 5th of PCR1 in the PCR1 device.Also comprise judgment means in the device of embodiments of the invention, be coupled to described reading device, be used to judge whether normal power down of computing machine; Wherein, comprising the 5th device for Binary Zero or 1 judging PCR1, is comparer in the present embodiment.Device of the present invention also comprises apparatus for initializing, is used for when computing machine is normal power down, and initialization realizes waking up under the computing machine dormant state register of described computing machine; And initialization and the described prearranged signal that wakes up of realization; Wherein, comprise the device of initialization SLP_EN register and the device of initialization RI signal and initialization PME (processor storage enhancing) signal; Inspection in an embodiment of the present invention and set device, be used for before described computing machine power down power supply when undesired, check the state of predetermined register, determine whether set again, when needs set again, enter the subsequent process of start after the set, when not needing set again, directly enter the subsequent process after the start.If if this inspection and set device comprise the testing fixture of the state value of checking after G3 EN position and PCR2 and afterG3_EN bit is not that 0 to put this be that 0 the first set device and the 5bit of PCR2 are not 1, putting this is 1 the second set device.
Specific embodiment has been described in the realization of explanation invention for example.It is obvious should be understood that other variation of invention and each side thereof and revising those skilled in the art, and invention is not limited to described specific embodiment.Therefore, should consider to comprise the present invention and fall into true spirit and interior any/all modifications, variation or the equivalent transformation of cardinal rule scope disclosed and that require here.
Claims (13)
1, a kind of computer method that wakes up, wherein, described computing machine is under the power failure state, after power supply recloses, when waking computing machine up, needs to recover computing machine to the state that can be waken up, and described method comprises step:
Described computing machine Auto Power On;
Judge whether computing machine entered power failure state,
If computing machine did not enter power failure state, then check the setting of register, determine whether set again, again set if desired, the described register of set is to guarantee that computing machine is under power failure state, after power supply recloses, can Auto Power On, carry out the subsequent process after the described start,, carry out the subsequent process after the described start if do not need set again;
If computing machine entered power failure state, initialization can realize the state of register for being waken up that computing machine wakes up; Initialization and the described prearranged signal that wakes up of realization.
2, the method for claim 1 also comprises the step of shutdown.
3, the step of the setting of the method for claim 1, wherein described inspection register also comprises: the state that reads PCR1.
4, method as claimed in claim 3 also comprises step: the 5bit that reads described PCR1; Wherein, the described step of set again that determines whether comprises that the 5bit that judges described PCR1 is designated as Binary Zero or 1.
5, the method for claim 1, wherein described initialization realizes that the step of waking the register of described computing machine under the computing machine dormant state up also comprises step: initialization SLP-EN register.
6, the method for claim 1, wherein described initialization comprises initialization RI signal with the described step of waking prearranged signal up of realization, and initialization PME signal.
7, the method for claim 1 also comprises step: putting the dutycycle that drives cpu fan signal is 0.
8, the step of the setting of the method for claim 1, wherein described inspection register comprises inspection after G3 EN position, the state value of PCR2.
9, method as claimed in claim 8, wherein, the step of described set comprises, if afterG3_EN bit is not 0, putting this position is 0; If the 5bit of PCR2 is not 1 for 1then puts this position.
10, the method for claim 1 also comprises step: the initialize routine of operation bios enters the operating system that the user selectes.
11, a kind of device that wakes computing machine up wherein, when waking computing machine up, needs to recover the preceding state of computer circuit breaking, and described device comprises:
Reading device is used for reading the content that described computing machine stores the register of the preceding power supply state of computer circuit breaking;
Judgment means is coupled to described reading device, is used to judge whether normal power down of computing machine;
Apparatus for initializing is used for when computing machine is normal power down, and initialization realizes waking up under the computing machine S1-S5 state register of described computing machine; And initialization and the described prearranged signal that wakes up of realization;
Check and the set device, when being used for that power supply is undesired before described computing machine power down, check the state of predetermined register, determine whether set again, when needs set again, enter the subsequent process of start after the set, when not needing set again, directly enter the subsequent process after the start.
12, device as claimed in claim 11, wherein, described reading device comprises the PCR1 device of the state that reads PCR1; Described apparatus for initializing comprises the device of initialization SLP_EN register, and the device of initialization RI signal and initialization PME signal; If it is not that 0 to put this be 0 the first set device that described inspection and set device comprise the testing fixture of the state value of checking after G3 EN position and PCR2 and afterG3_EN bit, if with the 5bit of PCR2 be not 1, putting this is 1 the second set device.
13, device as claimed in claim 12, wherein, described PCR1 device comprises the device of the 5bit (position) that extracts described PCR1; Described judgment means comprises comparer, is used to judge that the 5bit of described PCR1 is Binary Zero or 1.
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| CN 03109300 CN1251051C (en) | 2003-04-09 | 2003-04-09 | Method and apparatus for rousing computer |
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| CN 03109300 CN1251051C (en) | 2003-04-09 | 2003-04-09 | Method and apparatus for rousing computer |
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| CN1251051C CN1251051C (en) | 2006-04-12 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102163151A (en) * | 2009-10-14 | 2011-08-24 | 中正大学 | Fast speed computer system power-on & power-off method |
| CN102830985A (en) * | 2011-06-15 | 2012-12-19 | 英业达股份有限公司 | Starting method |
| CN103019694A (en) * | 2012-10-24 | 2013-04-03 | 泰金宝电通股份有限公司 | System and method for recovering network setting parameters |
| CN103235750A (en) * | 2013-04-12 | 2013-08-07 | 深圳市杰和科技发展有限公司 | Unattended control system and method for computer |
| CN104345850A (en) * | 2013-08-09 | 2015-02-11 | 瑞祺电通股份有限公司 | Intelligent type automatic power-on device |
| TWI505079B (en) * | 2013-08-02 | 2015-10-21 | ||
| CN110209430A (en) * | 2019-06-06 | 2019-09-06 | 深圳市智微智能科技开发有限公司 | It sends a telegram here again under a kind of G3 state the method for keeping RTC to wake up |
| CN112462909A (en) * | 2020-11-23 | 2021-03-09 | 广州朗国电子科技有限公司 | Reset control method and device of all-in-one switching equipment and storage medium |
-
2003
- 2003-04-09 CN CN 03109300 patent/CN1251051C/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102163151A (en) * | 2009-10-14 | 2011-08-24 | 中正大学 | Fast speed computer system power-on & power-off method |
| CN102830985A (en) * | 2011-06-15 | 2012-12-19 | 英业达股份有限公司 | Starting method |
| CN103019694A (en) * | 2012-10-24 | 2013-04-03 | 泰金宝电通股份有限公司 | System and method for recovering network setting parameters |
| CN103235750A (en) * | 2013-04-12 | 2013-08-07 | 深圳市杰和科技发展有限公司 | Unattended control system and method for computer |
| CN103235750B (en) * | 2013-04-12 | 2016-09-14 | 深圳市杰和科技发展有限公司 | A kind of unmanned computerized control system and method |
| TWI505079B (en) * | 2013-08-02 | 2015-10-21 | ||
| CN104345850A (en) * | 2013-08-09 | 2015-02-11 | 瑞祺电通股份有限公司 | Intelligent type automatic power-on device |
| CN104345850B (en) * | 2013-08-09 | 2018-05-08 | 瑞祺电通股份有限公司 | Intelligent auto power on device |
| CN110209430A (en) * | 2019-06-06 | 2019-09-06 | 深圳市智微智能科技开发有限公司 | It sends a telegram here again under a kind of G3 state the method for keeping RTC to wake up |
| CN112462909A (en) * | 2020-11-23 | 2021-03-09 | 广州朗国电子科技有限公司 | Reset control method and device of all-in-one switching equipment and storage medium |
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| Publication number | Publication date |
|---|---|
| CN1251051C (en) | 2006-04-12 |
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