CN103135727A - Power supply of computer system and power supply method thereof - Google Patents
Power supply of computer system and power supply method thereof Download PDFInfo
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- CN103135727A CN103135727A CN2011103942805A CN201110394280A CN103135727A CN 103135727 A CN103135727 A CN 103135727A CN 2011103942805 A CN2011103942805 A CN 2011103942805A CN 201110394280 A CN201110394280 A CN 201110394280A CN 103135727 A CN103135727 A CN 103135727A
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Abstract
The invention discloses a power supply of a computer system and a power supply method of the computer system. The power supply method comprises the following steps: when the computer system enters a work pattern from a standby mode, receiving a verification code, judging whether the verification code is consistent to a preset code, if the verification code is consistent to the preset code, carrying out power supply sequence control to enable the power supply to generate a great amount of work voltage the computer system needs, and if the verification code is not consistent to the preset code, powering off the computer system or keeping the computer system in the standby mode.
Description
Technical field
The present invention relates to a kind of power supply unit, particularly a kind of power supply unit of computer system and method for supplying power to thereof.
Background technology
In general, power supply unit is divided into the voltage supply pre-stand-by power source (AUX Power) and main power source (MAIN Power) usually.Pre-stand-by power source is the standby power (Standby Power) that computer system is in standby mode and uses, actual required primary, voltage source when main power source is computer system operation.By separating of two kinds of voltages, can make computer system when standby mode, avoid meaningless power consumption and cause the waste of empty wasted work rate.
After standby power was enabled, computer system just entered holding state.Then, after computer system detects start request or the request of again logining (common is S0～S5 power on mode), by the power supply supply order of inside computer system and the management system of judgement, demodulating voltage circuit for each module in computer system carries out wake-up trigger, providing each element required power supply, and then reach the program of computer system power-on.
Only input judges with output general electric power controller with regard to voltage, that is by each voltage Voltage stabilizing module (Voltage Regular Down, VRD), after directly judging the output of power supply enable signal, after waiting for that the power supply good signal is responded, the way that namely enters NextState.Namely, the user presses start button or operating mouse and keyboard and makes computer system power-on or computer system wakeup, power supply unit namely carries out the power supply sequential control, makes computer system complete boot program so that the required voltage of computer system to be provided.Yet whether the power supply mode of aforementioned power source supply there is no sets any authentication mechanism, power to determine power supply unit.Therefore, the Supply Security of power supply unit still remains to be improved.
Summary of the invention
In view of above problem, the object of the present invention is to provide a kind of power supply unit and method of supplying power to thereof of computer system, use the security of the power supply that power supply unit is provided.
The method of supplying power to of a kind of power supply unit of the present invention comprises the following steps.When a computer system enters a mode of operation by a standby mode, receive an identifying code.Comparison code and a code presupposition are to determine whether to carry out a power supply sequential control.When if the comparison code conforms to code presupposition, carry out the power supply sequential control, make power supply unit produce the required a plurality of operating voltage of computer system.When if comparison code and code presupposition are not inconsistent, computer system are shut down or computer system is remained on standby mode.
In one embodiment, the aforementioned computer system of working as also comprises detection one start request signal or a wake-up signal before by the step that standby mode enters mode of operation, to determine whether computer system enters mode of operation by standby mode.
In one embodiment, aforementionedly also comprising the following steps with computer system shutdown or before computer system being remained on the step of standby mode.When if comparison code and code presupposition are not inconsistent, produce a rub-out signal and add up.Whether the accumulative frequency of misjudgment signal surpasses a preset value.If the accumulative frequency of misjudgment signal surpasses preset value, computer system is shut down or computer system is remained on standby mode.If the accumulative frequency of misjudgment signal does not surpass preset value, get back to the step that receives an identifying code.
In one embodiment, aforementioned code presupposition is stored in a non-volatility memory (storer).
In one embodiment, aforementioned code presupposition is produced by a thumb-acting switch or a keyboard.
The present invention also provides a kind of power supply unit of computer system, comprises a supply module and a control module.Supply module is in order to provide a plurality of standby voltages and a plurality of operating voltage.Control module couples supply module, in order to receive and according to an identifying code and a code presupposition, whether to control supply module with decision and carry out a power supply sequential control, this supply module is converted to by those standby voltages those operating voltage are provided.Wherein, when computer system is entered mode of operation and control module judgement identifying code and is conformed to code presupposition by standby mode, control module is controlled supply module and is carried out the power supply sequential control, make supply module provide operating voltage to computer system, when computer system was entered mode of operation and control module judgement identifying code and is not inconsistent with code presupposition by standby mode, control module control supply module did not provide operating voltage to computer system or continues to provide standby voltage to computer system.
In one embodiment, aforementioned control module also detects start request signal or a wake-up signal, to determine whether computer system enters mode of operation by standby mode.
In one embodiment, aforementioned control module judges when this identifying code and this code presupposition are not inconsistent, can produce a rub-out signal and add up, and whether the accumulative frequency that judges this rub-out signal surpasses a preset value, if the accumulative frequency of this rub-out signal surpasses this preset value, this control module is controlled this supply module and is not provided those operating voltage to this computer system or continue to provide those standby voltages to this computer system, if the accumulative frequency of this rub-out signal does not surpass this preset value, this control module.
The power supply unit of a kind of computer system of the present invention and method of supplying power to thereof, when wanting to enter mode of operation by standby mode in computer system, whether the comparison code conforms to code presupposition, and control according to this power supply unit provide a plurality of working powers to computer system to start shooting and to enter normal mode of operation, or controlling power supply unit does not provide working power, causes computer system shutdown or computer system to continue to remain on standby mode.Thus, can effectively promote the security of Power supply.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the block scheme of computer system of the present invention;
Fig. 2 is the method for supplying power to process flow diagram of power supply unit of the present invention;
Fig. 3 is the method for supplying power to process flow diagram of power supply unit of the present invention.
Wherein, Reference numeral
100 computer systems
110 power supply units
120 supply modules
130 control modules
140 load modules
150 non-volatility memories
Embodiment
Below in conjunction with accompanying drawing, structural principle of the present invention and principle of work are done concrete description:
Please refer to shown in Figure 1ly, it is the subelement block scheme of computer system of the present invention.In the present embodiment, suppose that computer system 100 is in standby mode (Standby Mode, for example idle mode (Idle Mode) or not power on mode).Computer system 100 comprises power supply unit 110, and power supply unit 110 comprises supply module 120 and control module 130.Supply module 120 is in order to provide a plurality of standby voltages and a plurality of operating voltage.Wherein, standby voltage is computer system 100 required voltage when being in standby mode, and operating voltage is that computer system 100 is in the required voltage of normal operation.And standby voltage has respectively 1.1V, 1.25V, 1.5V, 3.3V etc., and operating voltage has respectively 1.1V, 1.5V, 3.3V, 5V, 6.5V etc.
In the present embodiment, when detecting computer system 100, control module 130 enters mode of operation and judgement identifying code when conforming to code presupposition by standby mode, control supply module 120 and carry out the power supply sequential control, so that sequentially provide computer system 100 required a plurality of working powers.On the other hand, when control module 130 detects computer system 100 and is entered mode of operation and judgement identifying code and code presupposition and be not inconsistent by standby mode, for example produce a control signal control computer system 100 and shut down or control supply module 120 and continue to provide standby voltage, make computer system 100 still be in standby mode.Thus, can effectively promote the security of the power supply supply of computer system 100.
In addition, computer system 100 also comprises load module 140, in order to aforementioned code presupposition to be provided.In the present embodiment; load module 140 can be a thumb-acting switch; and this refers to that thumb-acting switch is for example 8 bits (bit); " 00000000 " code presupposition to " 11111111 " also can be provided; and the computer management person just position of capable of regulating thumb-acting switch; producing required code presupposition, for example " 01010110 ", and then the protection that computer system 100 is powered.
In another embodiment, computer system 140 also includes non-volatility memory (storer) 150, is for example read-only memory (Read-only memory, ROM) etc.Non-volatility memory 150 is coupled between control module 130 and load module 140, the code presupposition that produces in order to store load module 140.Wherein, load module 140 can be a keyboard, and computer management person just can input by this keyboard the code presupposition of its required setting, and for example " 12345 " are so that the protection that computer system 100 is powered.
Below, will further illustrate the mode of operation of power supply unit 100.
At first, computer system 100 is in standby mode (for example idle mode or not power on mode).Whether control module 130 can detect start request signal or wake-up signal, that is whether the user presses start button etc. and make computer system 100 enter mode of operation by standby mode.If control module 130 does not measure start request signal or wake-up signal, continue to detect.When if control module 130 detects start request signal or wake-up signal, expression computer system 100 is wanted to enter mode of operation by standby mode.
At this moment, control module 130 can provide a power request signal to supply module 120, if and supply module 120 is when being kilter, can provide good (Power Good) signal of a power supply to control module 130, in order to learn that supply module 120 can normally provide operating voltage to be ready to complete.In addition, control module 130 also can Receipt Validation code and code presupposition, and identifying code and code presupposition are compared.Wherein, code presupposition is for example that system operator is set by keyboard (for example " 12345 ") or thumb-acting switch (for example " 01010110 ") in advance and completed, and to be the user input to control module 130 by a user interface to identifying code.
If when judging identifying code and conforming to (for example meeting " 12345 " or " 01010110 ") with code presupposition, control module 130 can be controlled supply module 120 and carry out the power supply sequential control, that is sequentially produce the operating voltage of a plurality of different voltage potentials, so that computer system enters normal mode of operation.
On the other hand, if when judging identifying code and code presupposition and not being inconsistent (for example meeting " 12345 " or " 01010110 "), control module 130 for example produces a control signal control computer system 100 and shuts down, or controlling power supply unit 120 continues to provide standby voltage, make computer system 100 still be in standby mode, thus, can effectively promote the security of power supply supply.
In addition, if when judging identifying code and code presupposition and not being inconsistent, control module 130 for example can produce rub-out signal and rub-out signal is added up.Suppose that rub-out signal produces for the 1st time, the accumulative frequency of rub-out signal is 1 time; Rub-out signal produces for the 2nd time, and the accumulative frequency of rub-out signal is 2 times, and all the other by that analogy.Then, whether the accumulative frequency of control module 130 meeting misjudgment signals surpasses preset value, for example 3 times.
If the accumulative frequency of misjudgment signal surpasses preset value, 130 of control modules produce control signal and shut down to control computer system 100, or controlling supply module 120 continues to provide standby voltage, makes computer system 100 still be in standby mode.
On the other hand, if the accumulative frequency of misjudgment signal does not surpass preset value, again to receive new identifying code.For instance, control module 130 is for example re-entered identifying code by user's interface display, and the user can key in new identifying code when receiving this information again, so that control module 130 is carried out comparing identifying code and code presupposition.
If the result of comparison is when conforming to again, control module 130 can be controlled power supply units 120 execution power supply sequence management, works to computer system 100 so that operating voltage to be provided.In addition, if the result of comparison is not when being inconsistent again, control module 130 can continue produce rub-out signal and add up, until the accumulative frequency of rub-out signal surpasses preset value, control module 120 generation control signals are shut down to control computer system 100, or controlling supply module 120 continues to provide standby voltage, makes computer system 100 still be in standby mode.So, can effectively promote the security of Power supply.
By the explanation of previous embodiment, can summarize a kind of method of supplying power to of power supply unit.Please refer to shown in Figure 2ly, it is the method for supplying power to process flow diagram of a kind of power supply unit of the present invention.The computer system of supposing the present embodiment is in standby mode (for example idle mode or not power on mode).In step S210, when computer system enters mode of operation by standby mode, the Receipt Validation code.In step S220, judge whether identifying code conforms to code presupposition.In the present embodiment, code presupposition can be produced via thumb-acting switch or keyboard by system operator, and code presupposition can be stored in non-volatility memory, and identifying code is for example inputted by the user interface for the user.
When if the comparison code conforms to code presupposition, enter step S230, carry out the power supply sequential control, make power supply unit produce the required a plurality of operating voltage of computer system.On the other hand, if when comparison code and code presupposition are not inconsistent, enter step S240, computer system is shut down or computer system is remained on standby mode.
Please refer to shown in Figure 3ly, it is the method for supplying power to process flow diagram of power supply unit of the present invention.The computer system of supposing the present embodiment is in a standby mode (for example idle mode or not power on mode).In step S310, judge whether to detect start request signal or wake-up signal.If start request signal or wake-up signal do not detected, get back to step S310, detect continuing.
If start request signal or wake-up signal detected, the expression computer system is wanted to enter mode of operation by standby mode, enters step S320, the Receipt Validation code.For example pass through user's interface input by the user.Afterwards, in step S330, judge whether identifying code conforms to code presupposition.In the present embodiment, code presupposition for example can be produced via thumb-acting switch or keyboard by system operator, and code presupposition can be stored in non-volatility memory.
If when the judgement identifying code conforms to code presupposition, enter step S340, carry out the power supply sequential control, make power supply unit produce the required a plurality of operating voltage of computer system, but make the computer system normal operation.If when judgement identifying code and code presupposition are not inconsistent, enter step S350, produce rub-out signal and add up.
Afterwards, in step S360, whether the accumulative frequency of misjudgment signal surpasses preset value.Surpass preset value if judge the accumulative frequency of rub-out signal, enter in step S370, computer system is shut down or computer system is remained on standby mode.Thus, can effectively promote the security of the Power supply of computer system.
On the other hand, when if the accumulative frequency of judging rub-out signal surpasses preset value, enter step S320, the Receipt Validation code, to re-start step S330, judge whether identifying code conforms to code presupposition again, until conforming to code presupposition, identifying code enters step S340, or re-start step S330, S350, S360, whether the accumulative frequency of misjudgment signal surpasses preset value, enters step S370 until the accumulative frequency of rub-out signal surpasses preset value.
The power supply unit of the computer system of embodiments of the invention and method of supplying power to thereof, it is when wanting to enter mode of operation by standby mode in computer system, whether the comparison code conforms to code presupposition, and control according to this power supply unit provide a plurality of working powers to computer system to start shooting and to enter normal mode of operation, or controlling power supply unit does not provide working power, causes computer system shutdown or computer system to continue to remain on standby mode.Thus, can effectively promote the security of Power supply.
Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. the method for supplying power to of a power supply unit, is characterized in that, comprising:
When a computer system enters a mode of operation by a standby mode, receive an identifying code;
Judge whether this identifying code conforms to a code presupposition;
If judge when this identifying code conforms to this code presupposition, carry out a power supply sequential control, make this power supply unit produce the required a plurality of operating voltage of this computer system; And
If when comparing this identifying code and this code presupposition and not being inconsistent, this computer system shutdown is maybe remained on this standby mode with this computer system.
2. the method for supplying power to of power supply unit according to claim 1, is characterized in that, when this computer system is also comprised by the step that this standby mode enters this mode of operation before:
Detect start request signal or a wake-up signal, whether enter this mode of operation by this standby mode to judge this computer system.
3. the method for supplying power to of power supply unit according to claim 1, is characterized in that, also comprised before the step that this computer system shutdown is maybe remained on this computer system this standby mode:
If when comparing this identifying code and this code presupposition and not being inconsistent, produce a rub-out signal and also add up;
Whether the accumulative frequency that judges this rub-out signal surpasses a preset value;
If judge that the accumulative frequency of this rub-out signal surpasses this preset value, this computer system shutdown maybe remained on this standby mode with this computer system; And
If judge that the accumulative frequency of this rub-out signal does not surpass this preset value, gets back to the step that receives this identifying code.
4. the method for supplying power to of power supply unit according to claim 1, is characterized in that, this code presupposition is produced by a thumb-acting switch or a keyboard.
5. the method for supplying power to of power supply unit according to claim 4, is characterized in that, this code presupposition is stored in a non-volatility memory.
6. the power supply unit of a computer system, is characterized in that, comprising:
One supply module is in order to provide a plurality of standby voltages and a plurality of operating voltage; And
One control module couples this supply module, in order to receive and according to an identifying code and a code presupposition, whether to control this supply module with decision and carry out a power supply sequential control, makes those standby voltages convert those operating voltage to;
wherein, when this computer system enters a mode of operation and this control module when judging that this identifying code conforms to code presupposition by a standby mode, this control module is controlled this supply module and is carried out this power supply sequential control, make this supply module provide those operating voltage to this computer system, when this computer system enters this mode of operation and this control module when judging that this identifying code and this code presupposition are not inconsistent by this standby mode, this control module is controlled this supply module and is not provided those operating voltage to this computer system or continue to provide those standby voltages to this computer system.
7. the power supply unit of computer system according to claim 6, is characterized in that, this control module also detects start request signal or a wake-up signal, to determine whether this computer system enters this mode of operation by this standby mode.
8. the power supply unit of computer system according to claim 6, it is characterized in that, this control module judges when this identifying code and this code presupposition are not inconsistent, can produce a rub-out signal and add up, and whether the accumulative frequency that judges this rub-out signal surpasses a preset value, if the accumulative frequency of this rub-out signal surpasses this preset value, this control module is controlled this supply module and is not provided those operating voltage to this computer system or continue to provide those standby voltages to this computer system, if the accumulative frequency of this rub-out signal does not surpass this preset value, this control module rejudges this identifying code and this code presupposition, until the accumulative frequency of this rub-out signal surpasses this preset value.
9. the power supply unit of computer system according to claim 6, is characterized in that, computer system comprises a load module, couples this control module, in order to produce this identifying code.
10. the power supply unit of computer system according to claim 9, is characterized in that, this computer system comprises a non-volatility memory, is coupled between this control module and this load module, in order to store this code presupposition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011103942805A CN103135727A (en) | 2011-11-29 | 2011-11-29 | Power supply of computer system and power supply method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103942805A CN103135727A (en) | 2011-11-29 | 2011-11-29 | Power supply of computer system and power supply method thereof |
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| CN103135727A true CN103135727A (en) | 2013-06-05 |
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| CN2011103942805A Pending CN103135727A (en) | 2011-11-29 | 2011-11-29 | Power supply of computer system and power supply method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111338451A (en) * | 2018-12-18 | 2020-06-26 | 新唐科技股份有限公司 | Control circuit and method for quickly setting power mode |
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Application publication date: 20130605 |