CN107544881A - One kind is used for emulating server input voltage exception DEBUG cards circuit and method - Google Patents
One kind is used for emulating server input voltage exception DEBUG cards circuit and method Download PDFInfo
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Abstract
The invention provides one kind to be used for emulating server input voltage exception DEBUG cards circuit and method, first with PSU power supplys by DEBUG cards be server master board power, mainboard normal work, then DC SOURCE output voltage values and the duration is adjusted, pattern switching is powered to two kinds of power supplys of PSU and DC SOURCE by switch, and then moment changes the input voltage of mainboard, the different phenomenons that different magnitudes of voltage and duration are showed according to mainboard and BMC daily records, contrasted with primary fault phenomenon and BMC daily records, position the abnormal basic reason of main board work.Technical scheme is simple to operate, for different anomalies, output voltage values are adjusted by DEBUG cards, reappear anomaly, fault location can be quickly made, greatly improves case study efficiency, and suitable for the abnormal investigation of market Servers-all mainboard input voltage, realization is accurately positioned to failure, versatile.
Description
Technical field
The present invention relates to the technical field of server, and in particular to it is abnormal to be used for emulating server input voltage to one kind
DEBUG cards circuit and method.
Background technology
The development of adjoint network application, informationization are gradually coated on the every field of society.The routine work life of people
More and more exchanged by network, it is desirable to which the requirement of server working stability is also being continuously increased.When server work
When making to occur abnormal, investigation is out of order as early as possible, completes quickly to repair, and it is recovered normal work becomes what client paid attention to the most
Safeguard link.Under this demand environment, can help the DEBUG cards (electric voltage exception test chart) of orientation problem point as early as possible meet the tendency of and
It is raw.
For input voltage abnormal problem, generally use changes voltage two ways mould to power cut-off or DC SOURCE
Intend power failure, then read BMC daily records, contrasted by the BMC daily records with original failed machines, it is defeated to infer whether to exist
Enter electric voltage exception failure., can not analog input voltage fluctuating change using power cut-off mode, only 0V and 12V two states
Situation；By the way of DC SOURCE change voltage, voltage switching maximum rate is 1V/ms, is slope climbing type voltage change,
The situation to moment cliff of displacement formula voltage change can not be simulated, so power input problem in many cases can not reappear, investigation
Efficiency is low.
It follows that in the prior art, power failure investigation method is simple, can not simulate machine course of normal operation
In, the situation of electric power output voltage condition of instant error, so the suddenly relatively low failure of electric power output voltage can not be reappeared and be solved,
It is low to investigate efficiency.
The content of the invention
Based on above mentioned problem, abnormal failure is inputted for many investigation server master boards, improves malfunction elimination efficiency, this
Text proposes that one kind is used for emulating server input voltage exception DEBUG cards circuit and method.
The present invention switches circuit by designing input voltage, realizes in server master board course of normal operation, using mould
Intend the abnormal mode of input voltage, reappear different phenomena of the failure, orientation problem point, and then release failure.
The present invention provides following technical scheme：
On the one hand, present invention also offers one kind to be used for emulating server input voltage exception DEBUG card circuits, the electricity
Road includes：First input end, the second input, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the first diode, the second diode, the three or two
Pole pipe, the 4th diode and output end；The first input end connects first diode, the positive pole of the second diode,
First diode, the negative pole of the second diode are connected to output end；Second input connect the 3rd diode,
The positive pole of 4th diode, the 3rd diode, the negative pole of the 4th diode are connected to the output end；The output end connects
It is connected to server master board.
Wherein, the first input end is output to clothes as the normal 12V inputs of PSU, the first metal-oxide-semiconductor control first input end
The voltage switch of business device.
Wherein, second input is that DC SOURCE simulate abnormal voltage input, the input of the second metal-oxide-semiconductor control second
End is output to the voltage switch of server.
Wherein, first diode, the second diode, the 3rd diode, the 4th diode prevent high pressure from pouring in down a chimney.
In addition, the invention provides one kind to be used for emulating server input voltage exception DEBUG chucking methods, methods described base
In foregoing circuit, including：
Step 101, PSU output 12V are connected on DEBUG card first input ends, DC SOURCE are connected on the second input
Output, the first metal-oxide-semiconductor control first input end are output to the voltage switch of server, and the second metal-oxide-semiconductor controls the second input defeated
Go out the voltage switch to server；
Step 102, PSU power supplys are connected, open first metal-oxide-semiconductor, and server is started shooting；
Step 103, one is set to DC SOURCE and is less than 12V or the magnitude of voltage higher than 12V and output；
Step 104, turned off after opening second metal-oxide-semiconductor, investigation high voltage is abnormal；Second metal-oxide-semiconductor is opened, closes institute
The first metal-oxide-semiconductor is stated, then opens first metal-oxide-semiconductor again, investigation low-voltage is abnormal；
Step 105, it is whether consistent with original failed machines anomaly that server exception phenomenon is observed in operating process, is entered again
Enter to transfer BMC daily records after system and compare with original failed machines, check whether to match.
Wherein, methods described prevents high pressure from pouring in down a chimney into PSU and DC SOURCE using diode.
Wherein, the step 104 turns off after opening second metal-oxide-semiconductor, and investigation high voltage is abnormal specifically, first is defeated
Enter to rectify often input 12V, the first metal-oxide-semiconductor is opened, and server master board normal work, then sets DC SOURCE voltages to be higher than
12V, the second metal-oxide-semiconductor of control are opened, and now server master board input voltage can produce instantaneous pressure；MOS2 is controlled to close, service
Device mainboard input voltage understands momentary recovery to 12V.
Wherein, the step 104 opens second metal-oxide-semiconductor, closes first metal-oxide-semiconductor, then opens described the again
One metal-oxide-semiconductor, investigation low-voltage is abnormal specifically, first input end normally inputs 12V, and the first metal-oxide-semiconductor is opened, and server master board is just
Often work, DC SOURCE voltages are then set to be less than 12V, the second metal-oxide-semiconductor of control is opened, in the presence of diode, server
Mainboard input voltage is still the voltage 12V of first input end, is now closed the first metal-oxide-semiconductor, server master board input voltage
Meeting moment step-down is the magnitude of voltage of the second input；The first metal-oxide-semiconductor is controlled to open, server master board input voltage can momentary recovery
To 12V.
The invention provides one kind to be used for emulating server input voltage exception DEBUG cards circuit and method, uses PSU first
Power supply is that server master board is powered by DEBUG cards, mainboard normal work, then adjust DC SOURCE output voltage values and
Duration, pattern switching is powered to two kinds of power supplys of PSU and DC SOURCE by switch, and then moment changes mainboard
Input voltage, the different phenomenons that different magnitudes of voltage and duration are showed according to mainboard and BMC daily records, with primary fault
Phenomenon and BMC daily records contrast, the abnormal basic reason of positioning main board work.Technical scheme is simple to operate, for
Different anomalies, output voltage values are adjusted by DEBUG cards, reappears anomaly, can quickly make fault location, greatly
Improve case study efficiency, and suitable for the abnormal investigation of market Servers-all mainboard input voltage, realize to failure
Be accurately positioned, it is versatile.
Brief description of the drawings
Fig. 1 is the conspectus of the DEBUG cards of the present invention.
Fig. 2 is the layout design drawings of the DEBUG cards of the present invention.
The simulation moment low pressure that Fig. 3 is the present invention causes the oscillogram that server master board is restarted.
Embodiment
Technical scheme in order to illustrate the embodiments of the present invention more clearly, it will use below required in embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
First, present invention also offers one kind to be used for emulating server input voltage exception DEBUG card circuits, the circuit
Including：First input end VIN1, the second input VIN2, the first metal-oxide-semiconductor MOS1, the second metal-oxide-semiconductor MOS2, the first diode D1,
Second diode D2, the 3rd diode D3, the 4th diode D4 and output end VOUT；The first input end VIN1 connections institute
The first diode D1, the second diode D2 positive pole are stated, the first diode D1, the negative pole of the second diode 2 are connected to defeated
Go out end；The second input VIN2 connections the 3rd diode D3, the 4th diode D4 positive pole, the 3rd diode
D3, the 4th diode D4 negative pole are connected to the output end VOUT；The output end VOUT is connected to server master board.
Accompanying drawing 1 be DEBUG cards conspectus, accompanying drawing 2 for DEBUG cards layout design drawings, VIN1 as PSU just
Normal 12V inputs, MOS1 are the voltage switch that control VIN1 is output to server, and D1, D2 are to prevent high pressure from pouring in down a chimney two poles into PSU
Pipe；VIN2 is that DC SOURCE simulate abnormal voltage input, and MOS2 is output to the voltage switch of server, D3, D4 for control VIN2
To prevent high pressure from pouring in down a chimney the diode into DC SOURCE.
In addition, embodiments of the present invention, which additionally provide one kind, is used for emulating server input voltage exception DEBUG card sides
Method, including：
Step 101, PSU output 12V are connected on DEBUG card first input ends, DC SOURCE are connected on the second input
Output, the first metal-oxide-semiconductor control first input end are output to the voltage switch of server, and the second metal-oxide-semiconductor controls the second input defeated
Go out the voltage switch to server；
Fig. 2 is the layout design drawings of DEBUG cards, and first input end VIN1 and the second input VIN2 pass through respectively
Connect is input on DEBUG cards, and first input end VIN1 and the second input VIN2 eventually pass through two by two-way copper foil
Pole pipe is output on same output end VOUT；
Step 102, PSU power supplys are connected, open first metal-oxide-semiconductor, and server is started shooting；
Step 103, one is set to DC SOURCE and is less than 12V or the magnitude of voltage higher than 12V and output；
Step 104, turned off after opening second metal-oxide-semiconductor, investigation high voltage is abnormal；Second metal-oxide-semiconductor is opened, is closed
First metal-oxide-semiconductor is closed, then opens first metal-oxide-semiconductor again, investigation low-voltage is abnormal；
Analog input voltage moment uprises, and investigation high voltage is abnormal：First input end VIN1 normally inputs 12V first, the
One metal-oxide-semiconductor MOS1 is opened, server master board normal work, then sets DC SOURCE voltages to be higher than 12V, controls the second metal-oxide-semiconductor
MOS2 is opened, and now server master board input voltage can produce instantaneous pressure；The second metal-oxide-semiconductor MOS2 is controlled to close, server master
For plate input voltage meeting momentary recovery to 12V, what is simulated in such cases is that mainboard is influenceed by instantaneous pressure.Due to two poles
Pipe has unilateral conduction, it is ensured that high pressure will not pour in down a chimney into first input end VIN1, influence PSU.
Analog input voltage moment step-down, investigation low-voltage are abnormal：First input end VIN1 normally inputs 12V first, the
One metal-oxide-semiconductor MOS1 is opened, server master board normal work, then sets DC SOURCE voltages to be less than 12V, controls the second metal-oxide-semiconductor
MOS2 is opened, and in the presence of diode, server master board input voltage is still first input end VIN1 voltage 12V, this
When by the first metal-oxide-semiconductor MOS1 close, server master board input voltage can moment step-down be the second input VIN2 magnitude of voltage；Control
Make the first metal-oxide-semiconductor MOS1 to open, server master board input voltage meeting momentary recovery to 12V, what is simulated in such cases is
Mainboard is influenceed by instantaneous pressure.Because diode has unilateral conduction, it is ensured that high pressure will not pour in down a chimney into the first input
VIN1 is held, influences PSU.
Fig. 3 is that simulation moment low pressure causes the oscillogram that server master board is restarted, and passes through DEBUG card control server master boards
Input voltage changes, and as 12V input voltage as little as 9.35V, voltage minimum causes to touch under normal voltage operation scope
Hair mainboard off signal becomes low level, server shutdown；When 12V input voltages momentary recovery is to 12V, triggering mainboard start
Signal becomes high level, server start again.Because input voltage instantaneous variation, make server according to signalizing activity
It is made that the reaction of cycle power.
Wherein, prevent high pressure from pouring in down a chimney into PSU and DC SOURCE using four diodes.
Step 105, it is whether consistent with original failed machines anomaly that server exception phenomenon is observed in operating process, weight
Transfer BMC daily records after newly entering system and compared with original failed machines, check whether to match.
Because the trigger signal charge threshold level that different server mainboard is set is different, the phenomenon showed is different,
The BMC daily records of record are also different, so being directed to different anomalies, adjust output voltage values by DEBUG cards, reproduction is abnormal existing
As just can quickly make fault location, greatly improve case study efficiency.By realizing the instantaneous variation of input voltage,
Investigate out phenomenon of the failure of the server under different abnormal voltages, with this come judge server in the course of the work because power supply export
Exception causes the basic reason of failure.In addition, technical scheme is also used in server and storage mainboard plant produced
Problem check link, for server delay machine, restart the problems such as inspection.
The invention provides one kind to be used for emulating server input voltage exception DEBUG cards circuit and method, uses PSU first
Power supply is that server master board is powered by DEBUG cards, mainboard normal work, then adjust DC SOURCE output voltage values and
Duration, pattern switching is powered to two kinds of power supplys of PSU and DC SOURCE by switch, and then moment changes mainboard
Input voltage, the different phenomenons that different magnitudes of voltage and duration are showed according to mainboard and BMC daily records, with primary fault
Phenomenon and BMC daily records contrast, the abnormal basic reason of positioning main board work.Technical scheme is simple to operate, for
Different anomalies, output voltage values are adjusted by DEBUG cards, reappears anomaly, can quickly make fault location, greatly
Improve case study efficiency, and suitable for the abnormal investigation of market Servers-all mainboard input voltage, realize to failure
Be accurately positioned, it is versatile.
The foregoing description of the disclosed embodiments, those skilled in the art are enable to realize or using the present invention.To this
A variety of modifications of a little embodiments will be apparent for a person skilled in the art, and generic principles defined herein can
Without departing from the spirit or scope of the present invention, to realize in other embodiments.Therefore, the present invention will not be limited
The embodiments shown herein is formed on, but meets the most wide model consistent with principles disclosed herein and features of novelty
Enclose.
Claims (8)
1. one kind is used for emulating server input voltage exception DEBUG card circuits, it is characterised in that：
The circuit includes：First input end, the second input, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the first diode, the two or two
Pole pipe, the 3rd diode, the 4th diode and output end；The first input end connects first diode, the two or two
The positive pole of pole pipe, first diode, the negative pole of the second diode are connected to output end；Described in the second input connection
3rd diode, the positive pole of the 4th diode, the 3rd diode, the negative pole of the 4th diode are connected to the output end；
The output end is connected to server master board.
2. circuit according to claim 1, it is characterised in that：The first input end inputs as the normal 12V of PSU, the
One metal-oxide-semiconductor control first input end is output to the voltage switch of server.
3. circuit according to claim 1, it is characterised in that：Second input is that DC SOURCE simulations are abnormal electric
Pressure input, the second metal-oxide-semiconductor the second input of control are output to the voltage switch of server.
4. circuit according to claim 1, it is characterised in that：First diode, the second diode, the three or two pole
Pipe, the 4th diode prevent high pressure from pouring in down a chimney.
5. a kind of method for being used for emulating server input voltage exception DEBUG cards based on circuit described in claim 1-4, it is special
Sign is：
Step 101, PSU output 12V are connected on DEBUG card first input ends, it is defeated to connect DC SOURCE on the second input
Go out, the first metal-oxide-semiconductor control first input end is output to the voltage switch of server, and the second metal-oxide-semiconductor controls the output of the second input
To the voltage switch of server；
Step 102, PSU power supplys are connected, open first metal-oxide-semiconductor, and server is started shooting；
Step 103, one is set to DC SOURCE and is less than 12V or the magnitude of voltage higher than 12V and output；
Step 104, turned off after opening second metal-oxide-semiconductor, investigation high voltage is abnormal；Second metal-oxide-semiconductor is opened, closes institute
The first metal-oxide-semiconductor is stated, then opens first metal-oxide-semiconductor again, investigation low-voltage is abnormal；
Step 105, it is whether consistent with original failed machines anomaly that server exception phenomenon is observed in operating process, is entered again
Enter to transfer BMC daily records after system and compare with original failed machines, check whether to match.
6. according to the method for claim 5, it is characterised in that：Using diode prevent high pressure pour in down a chimney into PSU and
DCSOURCE。
7. according to the method for claim 5, it is characterised in that：The step 104 is closed again after opening second metal-oxide-semiconductor
Close, investigation high voltage is abnormal, is specially：First input end normally inputs 12V, and the first metal-oxide-semiconductor is opened, the normal work of server master board
Make, then set DC SOURCE voltages to be higher than 12V, the second metal-oxide-semiconductor of control is opened, and now server master board input voltage can produce
Raw instantaneous pressure；MOS2 is controlled to close, server master board input voltage meeting momentary recovery to 12V.
8. according to the method for claim 5, it is characterised in that：The step 104 opens second metal-oxide-semiconductor, closes institute
The first metal-oxide-semiconductor is stated, then opens first metal-oxide-semiconductor again, investigation low-voltage is abnormal, is specially：First input end normally inputs
12V, the first metal-oxide-semiconductor are opened, and server master board normal work, then set DC SOURCE voltages to be less than 12V, control the 2nd MOS
Pipe is opened, and in the presence of diode, server master board input voltage is still the voltage 12V of first input end, now by the
One metal-oxide-semiconductor is closed, and server master board input voltage meeting moment step-down is the magnitude of voltage of the second input；The first metal-oxide-semiconductor is controlled to beat
Open, server master board input voltage meeting momentary recovery to 12V.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710598578.5A CN107544881B (en) | 2017-07-21 | 2017-07-21 | DEBUG card circuit and method for simulating server input voltage abnormity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710598578.5A CN107544881B (en) | 2017-07-21 | 2017-07-21 | DEBUG card circuit and method for simulating server input voltage abnormity |
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| Publication Number | Publication Date |
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| CN107544881A true CN107544881A (en) | 2018-01-05 |
| CN107544881B CN107544881B (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710598578.5A Active CN107544881B (en) | 2017-07-21 | 2017-07-21 | DEBUG card circuit and method for simulating server input voltage abnormity |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114546091A (en) * | 2022-02-26 | 2022-05-27 | 苏州浪潮智能科技有限公司 | Fusion power supply system for server |
| WO2023082440A1 (en) * | 2021-11-12 | 2023-05-19 | 博泰车联网(大连)有限公司 | Fault reproduction method and apparatus, and device and readable storage medium |
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| JPH04246735A (en) * | 1991-02-01 | 1992-09-02 | Nec Ic Microcomput Syst Ltd | In-circuit emulator |
| CN1604088A (en) * | 2004-11-17 | 2005-04-06 | 浙江大学 | Fault collection and detection apparatus and method |
| JP2011174827A (en) * | 2010-02-25 | 2011-09-08 | Mitsubishi Electric Corp | Power source monitoring apparatus |
| CN102375128A (en) * | 2010-08-02 | 2012-03-14 | 康舒科技股份有限公司 | Abnormity detection method for server power supply system and apparatus thereof |
| CN103064477A (en) * | 2013-01-25 | 2013-04-24 | 浪潮电子信息产业股份有限公司 | Method for designing server motherboard |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04246735A (en) * | 1991-02-01 | 1992-09-02 | Nec Ic Microcomput Syst Ltd | In-circuit emulator |
| CN1604088A (en) * | 2004-11-17 | 2005-04-06 | 浙江大学 | Fault collection and detection apparatus and method |
| JP2011174827A (en) * | 2010-02-25 | 2011-09-08 | Mitsubishi Electric Corp | Power source monitoring apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082440A1 (en) * | 2021-11-12 | 2023-05-19 | 博泰车联网(大连)有限公司 | Fault reproduction method and apparatus, and device and readable storage medium |
| CN114546091A (en) * | 2022-02-26 | 2022-05-27 | 苏州浪潮智能科技有限公司 | Fusion power supply system for server |
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