CN104281507A - Server system - Google Patents
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- CN104281507A CN104281507A CN201310287523.4A CN201310287523A CN104281507A CN 104281507 A CN104281507 A CN 104281507A CN 201310287523 A CN201310287523 A CN 201310287523A CN 104281507 A CN104281507 A CN 104281507A
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Abstract
The invention provides a server system. The server system comprises a first storage unit, a second storage unit, a detection unit, a level switching unit, a control unit and a power supply unit. The first storage unit comprises a pull-up resistor. The second storage unit does not comprise the pull-up resistor. The detection unit is suitable for being coupled with the first storage unit and the second storage unit, is used for detecting a first connecting relationship between the detection unit and the first storage unit or detecting a second connecting relationship of the detection unit and the second storage unit, and generates a detection signal. The level switching unit receives the detection signal, carries out level adjustment on the detection signal and generates a level switching signal. The control unit receives the level switching signal and generates a control signal. The power supply unit receives the control signal and judges whether to generate a power supply signal.
Description
Technical field
The present invention relates to a kind of server system, particularly relate to one and can prevent central processing unit fault from damaging, and improve the server system of signal quality.
Background technology
In these years, along with the progress of electronics technology, society has entered the epoch of the Internet now, and the life of people can be combined by the Internet with the world.Along with the user of the Internet increases increasingly, the hsrdware requirements of erection the Internet also increase the weight of increasingly, therefore the server for setting up the Internet plays important role.
In server system, usually can carry out the running of back-level server by small capacity double memory module (Small-Outline Dual In-line Memory Module, SO-DIMM) in upright arrangement.Wherein, small capacity double memory module in upright arrangement is broadly divided into the memory module in upright arrangement of the small capacity double with Error-Correcting Circuit (Error Correction Circuit, ECC) and does not have the small capacity double memory module in upright arrangement of Error-Correcting Circuit.But most server is only compatible with the memory module in upright arrangement of the small capacity double with Error-Correcting Circuit.And, there is the small capacity double memory module in upright arrangement of Error-Correcting Circuit and not there is the small capacity double memory module in upright arrangement of Error-Correcting Circuit, both slots on server master board are shared, easily cause the mixed insertion of these two kinds of small capacity double memory modules in upright arrangement.
Generally speaking, be applied to server system of the prior art, mostly can not prevent the function being mistakenly inserted the memory module in upright arrangement of the small capacity double without Error-Correcting Circuit.So, easily because being mistakenly inserted the memory module in upright arrangement of the small capacity double without Error-Correcting Circuit, and causing the signal entanglement of server system, even causing the fault of central processing unit (Central Processor Unit, CPU) to damage.
Summary of the invention
The invention provides a kind of server system, so as to preventing the fault of central processing unit from damaging, and improving the signal quality of server system.
According to one embodiment of the invention, a kind of server system, comprising: one first storage element, one second storage element, a detecting unit, a level conversion unit, a control module and a power supply unit.First storage element comprises one first grounding pin, one first power pins and at least one first signal pins, and wherein at least one first signal pins comprises a pull-up resistor.Second storage element comprises one second grounding pin, a second source pin and at least one secondary signal pin, and wherein at least one secondary signal pin does not comprise this pull-up resistor.Detecting unit is suitable for coupling the first storage element and the second storage element, detecting unit is in order to detect one first annexation of detecting unit and the first storage element, or detect one second annexation of detecting unit and the second storage element, and produce a detection signal.Level conversion unit couples detecting unit, in order to receive detection signal, and carries out a level adjustment to detection signal, to produce a level shifted signal.Control module couples level conversion unit, in order to incoming level switching signal, and according to level shifted signal, to produce a control signal.Power supply unit couples control module, in order to reception control signal, and according to control signal, to judge whether generation one power supply signal.Wherein, when the first storage element couples detecting unit, control module controls power supply unit and produces power supply signal to power to the first storage element.When the second storage element couples detecting unit, control module controls power supply unit and does not produce power supply signal, does not power to make power supply unit to the second storage element.
Server system provided by the present invention, detects the first annexation of detecting unit and the first storage element by detecting unit, or detects the second annexation of detecting unit and the second storage element, to produce corresponding detection signal.Then, level conversion unit receives detection signal and produces corresponding level shifted signal.Then, control module incoming level switching signal and produce corresponding control signal.Accordingly, power supply unit correspondingly can produce power supply signal or does not produce power supply signal.Thus, effectively can prevent the fault of central processing unit from damaging, and improve the signal quality of server system.
The above explanation about content of the present invention and the explanation of following embodiment in order to demonstration and explanation spirit of the present invention and principle, and provide claims of the present invention further to explain.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of server system of the present invention;
Fig. 2 is the partial circuit figure of server system of the present invention.
Reference numeral
10: server system 100: detecting unit
200: the first storage element 300: the second storage elements
400: level conversion unit 500: control module
600: power supply unit 700: signal backward flow prevention unit
800: indicating member C1: the first electric capacity
C2: the second electric capacity C3: the three electric capacity
D1: the first diode D2: the second diode
D3: the three diode R1: the first resistance
R2: the second resistance R3: the three resistance
R4: the four resistance R5: the five resistance
R6: the six resistance R7: the seven resistance
R8: the eight resistance T1: the first transistor
T2: transistor seconds VCC: voltage
Embodiment
Below detailed features of the present invention and advantage is described in embodiments in detail, its content is enough to make any personnel being familiar with correlation technique understand technology contents of the present invention and implement according to this, and according to content disclosed in the present specification, claims and accompanying drawing, any personnel being familiar with correlation technique can understand the object and advantage that the present invention is correlated with easily.Following embodiment further describes viewpoint of the present invention, but non-to limit category of the present invention anyways.
Please refer to Fig. 1 and Fig. 2, it is the partial circuit figure of schematic diagram according to the server system of one embodiment of the invention and server system.Server system 10 comprises one first storage element 200,1 second storage element 300, detecting unit 100, level conversion unit 400, control module 500 and a power supply unit 600.
First storage element 200 comprises one first grounding pin, one first power pins and at least one first signal pins, and wherein at least one first signal pins comprises a pull-up resistor.Second storage element 300 comprises one second grounding pin, a second source pin and at least one secondary signal pin, and wherein at least one secondary signal pin does not comprise this pull-up resistor.Also namely, the first storage element 200 is different from the type of the second storage element 300.In the present embodiment, the first storage element 200 such as can be the memory module in upright arrangement of the small capacity double with Error-Correcting Circuit, and the second storage element 300 such as can be the memory module in upright arrangement of the small capacity double without Error-Correcting Circuit.But the present embodiment is not limited thereto, the first storage element 200 also can use other similar element to implement, and the second storage element 300 also can use other similar element to implement.
Detecting unit 100 is suitable for coupling the first storage element 200 and the second storage element 300, and detecting unit 100 is in order to detect one first annexation of detecting unit 100 and the first storage element 200, or detect one second annexation of detecting unit 100 and the second storage element 300, and produce a detection signal.For example, when the first annexation be the first storage element 200 couple detecting unit 100 time, because the first storage element 200 has pull-up resistor, make detecting unit 100 such as produce the detection signal of high level.When the second annexation be the second storage element 300 couple detecting unit 100 time, because the second storage element 300 does not have this pull-up resistor, make detecting unit 100 such as produce low level detection signal.
Furthermore, detecting unit 100 comprises one first resistance R1, one first diode D1, one second resistance R2 and one second diode D2.
First resistance R1 has a first end and one second end, and the second end that the first end of the first resistance R1 is suitable for coupling the first storage element 200 or the second storage element 300, first resistance R1 couples an earth terminal.First diode D1 has an anode tap and a cathode terminal, and the anode tap of the first diode D1 couples the first end of the first resistance R1, and the cathode terminal of the first diode D1 produces detection signal.Second resistance R2 has a first end and one second end, and the second end that the first end of the second resistance R2 is suitable for coupling the first storage element 200 or the second storage element 300, second resistance R2 couples earth terminal.Second diode D2 has an anode tap and a cathode terminal, and the anode tap of the second diode D2 couples the first end of the second resistance R2, and the cathode terminal of the second diode D2 produces detection signal.
Level conversion unit 400 couples detecting unit 100, in order to receive detection signal, and carries out a level adjustment to detection signal, to produce a level shifted signal.Furthermore, level conversion unit 400 comprises one the 3rd resistance R3, one the 4th resistance R4, one first electric capacity C1 and a first transistor T1.
3rd resistance R3 has a first end and one second end, and the first end of the 3rd resistance R3 receives detection signal.4th resistance R4 has a first end and one second end, and the first end of the 4th resistance R4 couples second end of the 3rd resistance R3, and second end of the 4th resistance R4 couples an earth terminal.First electric capacity C1 has a first end and one second end, and the first end of the first electric capacity C1 couples the first end of the 4th resistance R4, and second end of the first electric capacity C1 couples earth terminal.
The first transistor T1 has a first end, one second end and one the 3rd end, and the first end of the first transistor T1 couples the first end of the first electric capacity C1, and second end of the first transistor T1 produces level shifted signal, and the 3rd end of the first transistor T1 couples earth terminal.In the present embodiment, the first transistor T1 such as can be NPN bipolarity junction transistor (Bipolar Junction Transistor, BJT).Wherein, the first end of the first transistor T1 is such as the base terminal (Base) of bipolarity junction transistor, second end of the first transistor T1 is such as the collector terminal (Collector) of bipolarity junction transistor, and the 3rd end of the first transistor T1 is such as the emitter terminal (Emitter) of bipolarity junction transistor.But the present embodiment is not limited thereto, the first transistor T1 also can use PNP bipolarity junction transistor, MOS field-effect transistor (Metal Oxide Semiconductor Field Effect Transistor, MOSFET) or other similar element to implement.
For example, when detection signal is high level, the first transistor T1 conducting, makes second end of the first transistor T1 can produce such as low level level shifted signal.When detection signal is low level, the first transistor T1 not conducting, makes second end of the first transistor T1 can produce the level shifted signal of such as high level.
Control module 500 couples level conversion unit 400, in order to incoming level switching signal, and according to level shifted signal, to produce a control signal.In the present embodiment, control module 500 such as can be CPLD (Complex Programmable Logic Device, CPLD).But the present embodiment is not limited thereto, control module 500 also can use other similar element to implement.Power supply unit 600 couples control module 500, and power supply unit 600 is in order to reception control signal, and according to control signal, to judge whether generation one power supply signal.
For example, when level shifted signal is low level, control module 500 produces the control signal of such as high level to power supply unit 600.Accordingly, power supply unit 600 such as produces power supply signal to the first storage element 200, and central processing unit is operated.When level shifted signal is high level, control module 500 produce such as low level control signal to power supply unit 600.Accordingly, power supply unit 600 does not such as produce power supply signal to the second storage element 300, and central processing unit is not operated.
In addition, aforesaid server system 10 also comprises an indicating member 800.This indicating member 800 couples level conversion unit 400, and indicating member 800 couples the first storage element 200 or the second storage element 300 in order to indicate detecting unit 100.Furthermore, indicating member 800 comprises one the 3rd diode D3 and the 5th resistance R5.
3rd diode D3 has an anode tap and a cathode terminal, and the cathode terminal of the 3rd diode D3 couples second end of the first transistor T1.In the present embodiment, the 3rd diode D3 such as can be light emitting diode (Light Emitting Diode, LED).But the present embodiment is not limited thereto, the 3rd diode D3 also can use other similar element doing to indicate to implement.
5th resistance R5 has a first end and one second end, and the first end of the 5th resistance R5 receives a voltage VCC, and second end of the 5th resistance R5 couples the anode tap of the 3rd diode D3.In the present embodiment, voltage VCC such as can be+3.3V_ALW.
For example, when the cathode terminal of the 3rd diode D3 receives such as low level level shifted signal, the 3rd diode D3 can conducting also luminescence.When the cathode terminal of the 3rd diode D3 receives the level shifted signal such as high level, the 3rd diode D3 not conducting is not luminous yet.
In addition, aforesaid server system 10 also comprises a signal backward flow prevention unit 700.This signal backward flow prevention unit 700 couples detecting unit 100, level conversion unit 400 and indicating member 800, and signal backward flow prevention unit 700 prevents process in order to carry out a signal backflow to level shifted signal.Furthermore, signal backward flow prevention unit 700 comprises a transistor seconds T2, one second electric capacity C2, one the 3rd electric capacity C3, one the 6th resistance R6, one the 7th resistance R7 and the 8th resistance R8.
Transistor seconds T2 has a first end, one second end and one the 3rd end, and the 3rd end of transistor seconds T2 couples the first end of the 3rd resistance R3.In the present embodiment, transistor seconds T2 such as can be PNP bipolarity junction transistor.Wherein, the first end of transistor seconds T2 is such as the base terminal of bipolarity junction transistor, second end of transistor seconds T2 is such as the emitter terminal of bipolarity junction transistor, and the 3rd end of transistor seconds T2 is such as the collector terminal of bipolarity junction transistor.But the present embodiment is not limited thereto, transistor seconds T2 also can use NPN bipolarity junction transistor, MOS field-effect transistor or other similar element to implement.
Second electric capacity C2 has a first end and one second end, and the first end of the second electric capacity C2 couples the first end of transistor seconds T2, and second end of the second electric capacity C2 couples earth terminal.3rd electric capacity C3 has a first end and one second end, and the first end of the 3rd electric capacity C3 couples second end of transistor seconds T2, and second end of the 3rd electric capacity C3 couples earth terminal.6th resistance R6 has a first end and one second end, the first end receiver voltage VCC of the 6th resistance R6, and second end of the 6th resistance R6 couples the first end of the 3rd electric capacity C3.In the present embodiment, voltage VCC such as can be+3.3V_ALW.
7th resistance R7 has a first end and one second end, and the first end of the 7th resistance R7 couples the first end of the 6th resistance R6, and second end of the 7th resistance R7 couples the first end of the second electric capacity C2.8th resistance R8 has a first end and one second end, and the first end of the 8th resistance R8 couples second end of the 7th resistance R7, and second end of the 8th resistance R8 couples second end of the first transistor T1.
By above-mentioned explanation, can learn that control module 500 controls power supply unit 600 and produces power supply signal when detecting unit 100 detects that detecting unit 100 and the first storage element 200 couple, to power to the first storage element 200 and to supply central processing unit to operate.When detecting unit 100 detects that detecting unit 100 and the second storage element 300 couple, control module 500 controls power supply unit 600 and does not produce power supply signal, does not power and do not operate for central processing unit to make power supply unit 600 to the second storage element 300.So, effectively can prevent the fault of central processing unit from damaging, and improve the signal quality of server system 10.
In sum, the server system that embodiments of the invention disclose, detect the first annexation of detecting unit and the first storage element by detecting unit, or detect the second annexation of detecting unit and the second storage element, to produce corresponding detection signal.Then, level conversion unit receives detection signal and produces corresponding level shifted signal.Then, control module incoming level switching signal and produce corresponding control signal.Accordingly, power supply unit correspondingly can produce power supply signal or does not produce power supply signal.Thus, effectively can prevent the fault of central processing unit from damaging, and improve the signal quality of server system.
Claims (8)
1. a server system, is characterized in that, comprising:
One first storage element, comprises one first grounding pin, one first power pins and at least one first signal pins, and wherein this at least one first signal pins comprises a pull-up resistor;
One second storage element, comprises one second grounding pin, a second source pin and at least one secondary signal pin, and wherein this at least one secondary signal pin does not comprise this pull-up resistor;
One detecting unit, be suitable for coupling this first storage element and this second storage element, this detecting unit in order to detect one first annexation of this detecting unit and this first storage element, or detects one second annexation of this detecting unit and this second storage element, and produces a detection signal;
One level conversion unit, couples this detecting unit, in order to receive this detection signal, and carries out a level adjustment to this detection signal, to produce a level shifted signal;
One control module, couples this level conversion unit, in order to receive this level shifted signal, and according to this level shifted signal, to produce a control signal; And
One power supply unit, in order to receive this control signal, and according to this control signal, to judge whether generation one power supply signal;
Wherein, when this first storage element couples this detecting unit, this control module controls this power supply unit and produces this power supply signal to power to this first storage element, when this second storage element couples this detecting unit, this control module controls this power supply unit and does not produce this power supply signal, does not power to make this power supply unit to this second storage element.
2. server system according to claim 1, is characterized in that, this detecting unit comprises:
One first resistance, has a first end and one second end, and this first end of this first resistance is suitable for coupling this first storage element or this second storage element, and this second end of this first resistance couples an earth terminal;
One first diode, has an anode tap and a cathode terminal, and this anode tap of this first diode couples this first end of this first resistance, and this cathode terminal of this first diode produces this detection signal;
One second resistance, has a first end and one second end, and this first end of this second resistance is suitable for coupling this first storage element or this second storage element, and this second end of this second resistance couples this earth terminal; And
One second diode, has an anode tap and a cathode terminal, and this anode tap of this second diode couples this first end of this second resistance, and this cathode terminal of this second diode produces this detection signal.
3. server system according to claim 1, is characterized in that, this level conversion unit comprises:
One the 3rd resistance, have a first end and one second end, this first end of the 3rd resistance receives this detection signal;
One the 4th resistance, has a first end and one second end, and this first end of the 4th resistance couples this second end of the 3rd resistance, and this second end of the 4th resistance couples an earth terminal;
One first electric capacity, has a first end and one second end, and this first end of this first electric capacity couples this first end of the 4th resistance, and this second end of this first electric capacity couples this earth terminal; And
One the first transistor, there is a first end, one second end and one the 3rd end, this first end of this first transistor couples this first end of this first electric capacity, and this second end of this first transistor produces this level shifted signal, and the 3rd end of this first transistor couples this earth terminal.
4. server system according to claim 3, is characterized in that, also comprises:
One indicating member, couples this level conversion unit, couples this first storage element or this second storage element in order to indicate this detecting unit.
5. server system according to claim 4, is characterized in that, this indicating member comprises:
One the 3rd diode, has an anode tap and a cathode terminal, and this cathode terminal of the 3rd diode couples this second end of this first transistor; And
One the 5th resistance, have a first end and one second end, this first end of the 5th resistance receives a voltage, and this second end of the 5th resistance couples this anode tap of the 3rd diode.
6. server system according to claim 4, is characterized in that, also comprises:
One signal backward flow prevention unit, couples this detecting unit, this level conversion unit and this indicating member, prevents process in order to carry out a signal backflow to this level shifted signal.
7. server system according to claim 6, is characterized in that, this signal backward flow prevention unit comprises:
One transistor seconds, have a first end, one second end and one the 3rd end, the 3rd end of this transistor seconds couples this first end of the 3rd resistance;
One second electric capacity, has a first end and one second end, and this first end of this second electric capacity couples this first end of this transistor seconds, and this second end of this second electric capacity couples this earth terminal;
One the 3rd electric capacity, has a first end and one second end, and this first end of the 3rd electric capacity couples this second end of this transistor seconds, and this second end of the 3rd electric capacity couples this earth terminal;
One the 6th resistance, have a first end and one second end, this first end of the 6th resistance receives a voltage, and this second end of the 6th resistance couples this first end of the 3rd electric capacity;
One the 7th resistance, has a first end and one second end, and this first end of the 7th resistance couples this first end of the 6th resistance, and this second end of the 7th resistance couples this first end of this second electric capacity; And
One the 8th resistance, has a first end and one second end, and this first end of the 8th resistance couples this second end of the 7th resistance, and this second end of the 8th resistance couples this second end of this first transistor.
8. server system according to claim 1, is characterized in that, this control module is a CPLD.
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