CN101751107B - Computer system - Google Patents
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- CN101751107B CN101751107B CN2008101820820A CN200810182082A CN101751107B CN 101751107 B CN101751107 B CN 101751107B CN 2008101820820 A CN2008101820820 A CN 2008101820820A CN 200810182082 A CN200810182082 A CN 200810182082A CN 101751107 B CN101751107 B CN 101751107B
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Abstract
The invention discloses a computer system, comprising N mainboards, a judging unit, a power supply and N switches, wherein, N is the positive integer. The judging unit receives N power activation signals from N mainboards, and outputs the total power activation signal. The power supply outputs the power return signal according to the total power activation signal. N switches are used for generating N signals with good electrifying state, and whether to output N signals with good electrifying state is determined according to N power activation signals. When one of the N power activation signals is effective, a total power starting signal and the power return signal are effective, meanwhile, the power supply outputs the working voltage. Conversely, when N power activation signals are of ineffective, the total power starting signal and the power return signal are ineffective, meanwhile, the power supply stops outputting the working voltage.
Description
Technical field
The invention relates to a kind of computer system, and the computer system that particularly can independently control relevant for a kind of mainboard.
Background technology
Fig. 1 illustrates the circuit box synoptic diagram into traditional computer system.With reference to Fig. 1, conventional computer system 100 comprises a plurality of mainboards 110～130 and power supply unit 140.In integrated operation, mainboard 110～130 can be according to its received identification code, whether differentiates out-put supply activation signal PSON_11, PSON_12 and PSON_13.
On the other hand, for power supply unit 140, when receiving power supply activation signal PSON_11, PSON_12 or PSON_13, it all can output services voltage PW1 and power supply return signal PSOK1.By this, when mainboard 110～130 receives power supply return signal PSOK1, mainboard 110～130 will learn that power supply unit 140 has begun power supply.At this moment, mainboard 110～130 will utilize operating voltage PW1 to drive its internal circuit, and then the beginning start.
It should be noted that, power supply activation signal PSON_11, PSON_12 and PSON_13 see through same circuit to be sent to power supply unit 140, and power supply unit 140 is to transmit operating voltage PW1 and power supply return signal PSOK1 simultaneously to each mainboard 110～130.Therefore, when having only mainboard 110 out-put supply activation signal PSON_11, and remaining mainboard 120～130 does not have under the situation of out-put supply activation signal PSON_12 and PSON_13, and mainboard 110～130 all can be driven by power supply unit 140, and operates under the operating voltage PW1.
In other words, concerning conventional computer system 100, mainboard 110～130 can't independent start.This kind situation not only causes the user in operational inconvenience, also will cause conventional computer system 100 must expend more power.
Summary of the invention
The invention provides a kind of computer system, a plurality of mainboards of its inside can independently be controlled.
The invention provides a kind of computer system, can see through independently controlling of its inner a plurality of mainboards and reduce power consumption.
The present invention proposes a kind of computer system, comprises one first and one second mainboard, a judging unit, a power supply unit and one first and one second switch.Wherein, first and second mainboard is respectively in order to produce one first and one second source activation signal.Judging unit receives first and second power supply activation signal, and exports a general supply activation signal.Power supply unit is exported a power supply return signal according to the general supply activation signal.On the other hand, first and second switch determines whether to export a power-up state good signal according to first and second power supply activation signal respectively.Wherein, when one of them was effective when first and second power supply activation signal, the general supply enabling signal was effectively, and the power supply return signal is effectively, and power supply unit is exported an operating voltage simultaneously.Otherwise when first and second power supply activation signal is when invalid, the general supply enabling signal is invalid, and the power supply return signal is invalid, and power supply unit stops output services voltage simultaneously.
In one embodiment of this invention, above-mentioned judging unit comprises one first resistance, one second resistance, one the 3rd resistance, one first diode and one second diode.Wherein, first end of first resistance is in order to receiving one first voltage, and its second end is in order to receive the first power supply activation signal.First end of second resistance is in order to receiving first voltage, and its second end is in order to receive the second source activation signal.First end of the 3rd resistance is in order to receiving first voltage, and its second end is in order to output general supply activation signal.In addition, first diode electrically is connected between second end of first resistance and the 3rd resistance.Second diode electrically is connected between second end of second resistance and the 3rd resistance.
From another viewpoint, the present invention more proposes a kind of computer system, comprise N mainboard, a judging unit, a power supply unit and N switch, and N is a positive integer.Wherein, N mainboard is in order to produce N power supply activation signal.Judging unit is in order to receiving N power supply activation signal, and exports a general supply activation signal.Power supply unit is exported a power supply return signal according to the general supply activation signal.On the other hand, at N switch, first end of i switch is in order to receiving the power supply return signal, and determines whether export i power-up state good signal through its second end, i is integer and 1 ≦ i ≦ N according to i power supply activation signal.Wherein, when one of them was effective when N power supply starting signal, the general supply enabling signal was effectively, and the power supply return signal is effectively, and power supply unit is exported an operating voltage simultaneously.Otherwise when N power supply starting signal is when invalid, the general supply enabling signal is invalid, and the power supply return signal is invalid, and power supply unit stops output services voltage simultaneously.
In one embodiment of this invention, above-mentioned judging unit comprises (N+1) individual resistance and N diode.Wherein, at (N+1) individual resistance, first end of i resistance is in order to receiving one first voltage, and its second end is in order to receive i power supply activation signal.In addition, first end of (N+1) individual resistance is in order to receiving first voltage, and its second end is in order to output general supply activation signal.On the other hand, at N diode, i diode electrically is connected between second end of i resistance and (N+1) individual resistance.
Based on above-mentioned, the present invention is that the power supply activation signal that utilizes judging unit to cause each mainboard to produce can be independent of each other.In addition, under the control of a plurality of switches, the power supply return signal that power supply unit produced can not be sent to each mainboard simultaneously, so can not cause the action of mainboard false touch.Moreover, there is the mainboard that produces effective power supply activation signal could actuating switch, and then utilizes operating voltage to drive its internal circuit and begin start.In other words, with conventional art in comparison, the mainboard in the computer system of the present invention can be controlled each other independently, and then reduces the power consumption of computer system effectively.In addition, along with mainboard independently controlling each other, also will cause the user more convenient in operation.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and conjunction with figs. is described in detail below.
Description of drawings
Fig. 1 illustrates the circuit box synoptic diagram into conventional computer system.
Fig. 2 illustrates the circuit block diagram into the computer system of foundation one embodiment of the invention.
Fig. 3 illustrates the circuit diagram into the judging unit of foundation one embodiment of the invention.
Fig. 4 illustrates the circuit diagram into the judging unit of foundation another embodiment of the present invention.
Embodiment
Fig. 2 illustrates the circuit block diagram into the computer system of foundation one embodiment of the invention.With reference to Fig. 2, computer system 200 comprises a plurality of mainboards 210～230, a judging unit 240, a power supply unit 250 and a plurality of switch SW 21～SW23.Wherein, judging unit 240 electrically connects mainboard 210～230.Power supply unit 250 electrically connects judging unit 240 and mainboard 210～230.In addition, mainboard 210～230 is corresponding mutually with switch SW 21～SW23, and switch SW 21 is electrically connected between mainboard 210 and the power supply unit 250, switch SW 22 is electrically connected between mainboard 220 and the power supply unit 250, and switch SW 23 then is electrically connected between mainboard 230 and the power supply unit 250.
In integrated operation, mainboard 210 can be according to its received identification code, whether differentiates out-put supply activation signal PSON_21.Similarly, mainboard 220 also can be according to its received identification code, whether differentiates out-put supply activation signal PSON_22.By that analogy, mainboard 230 produces the operation mechanism of power supply activation signal PSON_23.
On the other hand, judging unit 240 is in order to receiving power supply activation signal PSON_21, PSON_22 and PSON_23, and exports a general supply activation signal PSON_T according to this.On the other hand, power supply unit 250 will be exported a power supply return signal PSOK2 according to general supply activation signal PSON_T.It should be noted that when power supply activation signal PSON_21, PSON_22 and PSON_23 one of them when effective, judging unit 240 will export effective power supply return signal PSOK2, export an operating voltage PW2 to cause power supply unit 250.Relatively, when power supply activation signal PSON_21, PSON_22 and PSON_23 are when invalid, judging unit 240 will be exported invalid power supply return signal PSOK2, stop output services voltage PW2 to cause power supply unit 250.
Though the operating voltage PW2 that power supply unit 250 is produced can pass to mainboard 210～230 simultaneously, the power supply return signal PSOK2 that power supply unit 250 is produced and can not be sent to mainboard 210～230 but under the controlling of switch SW 21～SW23 simultaneously.
In the present embodiment, first end of switch SW 21 is in order to reception power supply return signal PSOK2, and it can determine whether export a power-up state good signal PGD21 to mainboard 210 through its second end according to power supply activation signal PSON_21.In other words, when mainboard 210 produced effective power supply activation signal PSON_21, switch SW 21 will conducting.By this, mainboard 210 just can receive power-up state good signal PGD21, and then operates under the operating voltage PW2, and begins to carry out corresponding start.
Similarly, first end of switch SW 22 is in order to reception power supply return signal PSOK2, and it can determine whether export a power-up state good signal PGD22 to mainboard 220 through its second end according to power supply activation signal PSON_22.In other words, when mainboard 220 produced effective power supply activation signal PSON_22, switch SW 22 will conducting.At this moment, mainboard 220 can receive power-up state good signal PGD22, and then utilize operating voltage PW2 to drive its internal circuit and begin start.By that analogy, the handover mechanism of switch SW 23, and the operation mechanism of mainboard 220 beginning starts.
Generally speaking, power supply activation signal PSON_21, PSON_22 and PSON_23 will be independent of each other between the signal under the controlling of judging unit each other, and power supply unit 250 also will in time begin power supply according to general supply activation signal PSON_T.In addition, power supply return signal PSOK2 will cause the mainboard that produces effective power supply activation signal could begin start under the controlling of switch SW 21～SW23.By this, mainboard 210～230 can be controlled each other independently, and then reduce the power consumption of computer system 200 effectively.
Usually know that in order to cause ability to have the knowledgeable more understands present embodiment, below will be further described at the thin portion framework of judging unit 240 and switch SW 21～SW23.
Fig. 3 illustrates the circuit diagram into the judging unit of foundation one embodiment of the invention.With reference to Fig. 3, judging unit 240 comprises a plurality of resistance R 31～R34 and a plurality of diode D31～D33.It should be noted that in Fig. 3 embodiment effectively general supply activation signal PSON_T and effective power supply activation signal PSON_21, PSON_22 and PSON_23 are a low voltage signal.Therefore, on the entity framework, first end of resistance R 31 is in order to reception supply voltage VDD, and its second end is in order to receive power supply activation signal PSON_21.Similarly, first end of resistance R 32 is in order to reception supply voltage VDD, and its second end is in order to receive power supply activation signal PSON_22.By that analogy, the coupling mode of resistance R 33.
Moreover the negative electrode of diode D31 is electrically connected to second end of resistance R 31, and its anode is electrically connected to second end of resistance R 34.Similarly, the negative electrode of diode D32 is electrically connected to second end of resistance R 32, and its anode is electrically connected to second end of resistance R 34.By that analogy, the coupling mode of diode D33.In addition, first end of resistance R 34 is in order to reception supply voltage VDD, and its second end is in order to output general supply activation signal PSON_T.
In integrated operation, when power supply activation signal PSON_21, PSON_22 and PSON_23 are when invalid, when just power supply activation signal PSON_21, PSON_22 and PSON_23 were high voltage signal, diode D31～D33 can't conducting.At this moment, the voltage of node N3 will be maintained at supply voltage VDD, produce invalid general supply activation signal PSON_T to cause judging unit 240.When effective power supply activation signal PSON_21 was produced, when just power supply activation signal PSON_21 was low voltage signal, diode D31 was conducting, and the voltage of node N3 also will be dragged down, and then produced effective general supply activation signal PSON_T.
It should be noted that when the voltage of node N3 is dragged down unless power supply activation signal PSON_22 is effectively, otherwise diode D32 will still maintain the state of not conducting.In other words, the power supply activation signal PSON_21 that mainboard 210 is produced can't have influence on other mainboard 220～230.In addition, when other mainboard 220～230 produced effective power supply activation signal PSON_22 and PSON_23, the voltage of node N3 still can be maintained at original low-voltage.In other words, when one of them was effective as power supply activation signal PSON_21, PSON_22 and PSON_23, effectively general supply activation signal PSON_T will be produced.
What deserves to be mentioned is that for Fig. 3 embodiment, the switch SW 21～SW23 among Fig. 2 can be made of a P transistor npn npn respectively.By this, switch SW 21～SW23 just can be respectively according to effectively power supply activation signal PSON_21, PSON_22 and PSON_23 (low voltage signal) and its two ends of conducting.
Fig. 4 illustrates the circuit diagram into the judging unit of foundation another embodiment of the present invention.With reference to Fig. 4, judging unit 240 comprises a plurality of resistance R 41～R44 and a plurality of diode D41～D43.It should be noted that in Fig. 4 embodiment effectively general supply activation signal PSON_T and effective power supply activation signal PSON_21, PSON_22 and PSON_23 are a high voltage signal.Therefore, on the entity framework, first end of resistance R 41 is in order to reception ground voltage GND, and its second end is in order to receive power supply activation signal PSON_21.Similarly, first end of resistance R 42 is in order to reception ground voltage GND, and its second end is in order to receive power supply activation signal PSON_22.By that analogy, the coupling mode of resistance R 43.
Moreover the anode of diode D41 is electrically connected to second end of resistance R 41, and its negative electrode is electrically connected to second end of resistance R 44.Similarly, the anode of diode D42 is electrically connected to second end of resistance R 42, and its negative electrode is electrically connected to second end of resistance R 44.By that analogy, the coupling mode of diode D43.In addition, first end of resistance R 44 is in order to reception ground voltage GND, and its second end is in order to output general supply activation signal PSON_T.
In integrated operation, when power supply activation signal PSON_21, PSON_22 and PSON_23 are when invalid, when just power supply activation signal PSON_21, PSON_22 and PSON_23 were low voltage signal, diode D41～D43 can't conducting.At this moment, the voltage of node N4 will be maintained at ground voltage GND, produce invalid general supply activation signal PSON_T to cause judging unit 240.When effective power supply activation signal PSON_21 was produced, when just power supply activation signal PSON_21 was high voltage signal, diode D41 was conducting, and the voltage of node N4 also will be drawn high, and then produced effective general supply activation signal PSON_T.
It should be noted that when the voltage of node N4 is drawn high unless power supply activation signal PSON_22 is effectively, otherwise diode D42 will still maintain the state of not conducting.In other words, see through judging unit 240, the power supply activation signal PSON_21 that mainboard 210 is produced can't have influence on other mainboard 220～230.In addition, when other mainboard 220～230 produced effective power supply activation signal PSON_22 and PSON_23, the voltage of node N4 still can be maintained at original high voltage.In other words, when one of them was effective as power supply activation signal PSON_21, PSON_22 and PSON_23, effectively general supply activation signal PSON_T will be produced.
What deserves to be mentioned is that for Fig. 4 embodiment, the switch SW 21～SW23 among Fig. 2 can be made of a N transistor npn npn respectively.By this, switch SW 21～SW23 just can be respectively according to effectively power supply activation signal PSON_21, PSON_22 and PSON_23 (high voltage signal) and its two ends of conducting.
In sum, the present invention is that the power supply activation signal that utilizes judging unit to cause each mainboard to produce can be independent of each other.In addition, under the control of a plurality of switches, the power supply return signal that power supply unit produced can not pass back to each mainboard simultaneously.Relatively, there is the mainboard that produces effective power supply activation signal could receive and obtains the power-up state good signal, and then utilize operating voltage driving its internal circuit and begin start.In other words, mainboard can be controlled each other independently in the computer system, and then reduce the power consumption of computer system effectively.In addition, along with mainboard independently controlling each other, also will cause the user more convenient in operation.
Though the present invention discloses as above with embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when doing a little change and retouching, so protection scope of the present invention is worked as with being as the criterion that claim was defined.
Claims (8)
1. computer system comprises:
N mainboard, in order to produce N power supply activation signal, N is a positive integer;
One judging unit electrically connects those mainboards, in order to receiving those power supply activation signals, and exports a general supply activation signal;
One power supply unit electrically connects this judging unit and those mainboards, in order to export a power supply return signal according to this general supply activation signal; And
N switch, in order to producing N power-up state good signal, and first end of i switch is in order to receiving this power supply return signal, and i power supply activation signal of foundation and determine whether export i power-up state good signal through its second end, i is integer and 1≤i≤N
Wherein, when one of them was effective when those power supply starting signals, this general supply enabling signal was effectively, and this power supply return signal is that effectively this power supply unit is exported an operating voltage simultaneously; When those power supply starting signals are when invalid, this general supply enabling signal is invalid, and this power supply return signal is invalid, and this power supply unit stops to export this operating voltage simultaneously.
2. computer system as claimed in claim 1 is characterized in that, this judging unit comprises:
(N+1) individual resistance, wherein first end of i resistance is in order to receive one first voltage, and its second end is in order to receiving i power supply activation signal, and first end of (N+1) individual resistance is in order to receiving this first voltage, and its second end is in order to export this general supply activation signal; And
N diode, wherein i diode electrically is connected between second end of i resistance and (N+1) individual resistance.
3. computer system as claimed in claim 2 is characterized in that, makes those power supply activation signals, the effective signal of this general supply activation signal be respectively a low voltage signal.
4. computer system as claimed in claim 3, it is characterized in that, this first voltage is a supply voltage, and the negative electrode of i diode is electrically connected to second end of i resistance, and the anode of i diode is electrically connected to second end of (N+1) individual resistance.
5. computer system as claimed in claim 3 is characterized in that, those switches are made of a P transistor npn npn respectively.
6. computer system as claimed in claim 2 is characterized in that, makes those power supply activation signals, the effective signal of this general supply activation signal be respectively a high voltage signal.
7. computer system as claimed in claim 6, it is characterized in that, this first voltage is a ground voltage, and the anode of i diode is electrically connected to second end of i resistance, and the negative electrode of i diode is electrically connected to second end of (N+1) individual resistance.
8. computer system as claimed in claim 6 is characterized in that, those switches are made of a N transistor npn npn respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101820820A CN101751107B (en) | 2008-11-28 | 2008-11-28 | Computer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101820820A CN101751107B (en) | 2008-11-28 | 2008-11-28 | Computer system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101751107A CN101751107A (en) | 2010-06-23 |
| CN101751107B true CN101751107B (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101820820A Expired - Fee Related CN101751107B (en) | 2008-11-28 | 2008-11-28 | Computer system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1515220A2 (en) * | 2003-09-12 | 2005-03-16 | Broadcom Corporation | Method, machine readable storage and system for power management in a gigabit Ethernet chip |
| CN1652061A (en) * | 2005-03-25 | 2005-08-10 | 威盛电子股份有限公司 | Computer host board and its power controller |
| CN101127001A (en) * | 2006-08-15 | 2008-02-20 | 泰安电脑科技（上海）有限公司 | System management configuration of multiple main board system |
-
2008
- 2008-11-28 CN CN2008101820820A patent/CN101751107B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1515220A2 (en) * | 2003-09-12 | 2005-03-16 | Broadcom Corporation | Method, machine readable storage and system for power management in a gigabit Ethernet chip |
| CN1652061A (en) * | 2005-03-25 | 2005-08-10 | 威盛电子股份有限公司 | Computer host board and its power controller |
| CN101127001A (en) * | 2006-08-15 | 2008-02-20 | 泰安电脑科技（上海）有限公司 | System management configuration of multiple main board system |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平11-119867A 1999.04.30 |
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| CN101751107A (en) | 2010-06-23 |
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Inventor after: Zhang Yingying Inventor before: Huang Lihong Inventor before: Liu Shihao |
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Effective date of registration: 20170918 Address after: Jilin province Jilin city Shulan City South Street vanguard Committee five groups Patentee after: Zhang Yingying Address before: Taipei City, Taiwan Chinese Shilin District Hougang Street No. 66 Patentee before: Inventec Corporation |
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Address after: Xinyi Road Xiufeng District, Guilin city 541001 No. 93 the Guangxi Zhuang Autonomous Region Patentee after: Zhang Yingying Address before: 132600 the five groups of the forward Committee of Nancheng street, Shulan City, Jilin, Jilin Patentee before: Zhang Yingying |
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Granted publication date: 20111005 Termination date: 20171128 |