CN110543391A - method for detecting connection state of main board element - Google Patents
method for detecting connection state of main board element Download PDFInfo
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- CN110543391A CN110543391A CN201810521976.1A CN201810521976A CN110543391A CN 110543391 A CN110543391 A CN 110543391A CN 201810521976 A CN201810521976 A CN 201810521976A CN 110543391 A CN110543391 A CN 110543391A
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000012545 processing Methods 0.000 claims abstract description 22
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000011161 development Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000012827 research and development Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2273—Test methods
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
A method for detecting connection state of motherboard element is suitable for motherboard with microprocessor unit and at least one jumper, the setting voltage of jumper is used to determine at least one setting configuration of motherboard, and the memory unit of microprocessor unit is prestored with preset voltage level. The connection detection method of the main board element comprises the following steps: arranging a light-emitting unit beside each jumper; judging whether the set voltage level of each jumper accords with the corresponding preset voltage level; if the set voltage level of the jumper does not accord with the corresponding preset voltage level, the corresponding light-emitting unit is controlled to emit light in a specific mode to warn a user. In addition, when the central processing unit is not installed correctly, an alarm is sent out.
Description
Technical Field
the invention relates to a method for detecting the connection state of a main board element, in particular to a method for detecting whether a jumper and a central processing unit on a main board are correctly connected with the main board.
Background
at present, a motherboard on a computer device or a server device usually has some jumpers, and during a development stage, a user can change a configuration of a setting related to the motherboard (for example, clearing CMOS, network connection port setting, VGA enabling, or enabling or not enabling other specific functions of the motherboard, etc.) by adjusting a connection manner of the jumpers so as to meet a currently required operation mode of the user, and the number of the jumpers and the functions corresponding to the setting may be different according to different specifications of the motherboard. In general, a jumper selectively connects a node to a high voltage level or a low voltage level through its connection, and the node is electrically connected to an opposite device or pin on a motherboard to provide a set voltage level. In the development and development stage, the user often changes the setting configuration, so that before the motherboard is used each time, whether the jumper connection mode is correct needs to be confirmed again to avoid the problem of operation of the device caused by the non-corresponding setting configuration.
On the other hand, in research and development tests, the cpu on the motherboard may be replaced according to different user requirements, and therefore, the cpu and the Socket (Socket) on the motherboard are often loosened. In particular, in some cases, only a cpu may be installed improperly or askew, and only some pins are not connected to the slots on the motherboard, thereby rendering a small portion of the functions useless. In addition, if the related operations of the cpu are wrong, the system may be damaged seriously. Therefore, there is still a need for a testing method that can more effectively provide the user with a determination of whether the components on the motherboard are correctly connected.
Disclosure of Invention
The present invention provides a method for detecting whether a jumper and a CPU on a motherboard are correctly connected to the motherboard.
In order to solve the above technical problem, a method for detecting a connection state of a motherboard element is applicable to a motherboard, the motherboard has a microprocessor unit, a first jumper and a second jumper, the motherboard determines at least one setting configuration set by the motherboard according to a first setting voltage level of the first jumper and a second setting voltage of the second jumper, a memory unit of the microprocessor unit pre-stores a preset setting value set, the preset setting value set includes a first preset setting value corresponding to the first setting voltage level and a second preset setting value corresponding to the second setting voltage level, the method for detecting a connection state of a motherboard element includes: a first light-emitting unit and a second light-emitting unit are respectively arranged beside the first jumper and the second jumper, and the first light-emitting unit and the second light-emitting unit are respectively coupled to the micro-processing unit; the microprocessor unit detects whether the first set voltage level of the first cross-connect device conforms to a first preset voltage level corresponding to a first preset value; when the first setting voltage level is in accordance with the first preset voltage level, the micro-processing control unit transmits a correct setting signal to the first light-emitting unit; when the first set voltage level does not conform to the first preset voltage level, the micro-processing control unit transmits an error setting signal to the first light-emitting unit; the microprocessor unit detects whether the second set voltage level of the second jumper meets a second preset voltage level corresponding to the second preset value; when the second setting voltage level is in accordance with the second preset voltage level, the micro-processing unit transmits the correct setting signal to the second light-emitting unit; and when the second set voltage level is not in accordance with the second preset voltage level, the micro-processing control unit transmits the error setting signal to the second light-emitting unit.
preferably, the preset value group is a binary value and has two bits, and the value of each bit is the first preset value and the second preset value respectively. When the first predetermined value is 1, the first predetermined voltage level is a high voltage level. When the first predetermined value is 0, the first predetermined voltage level is a low voltage level.
Preferably, the correct setting signal is a high voltage level, and the first light emitting unit continuously emits light when the first light emitting unit receives the correct setting signal. In addition, when the second light emitting unit receives the correct setting signal, the second light emitting unit continuously emits light.
preferably, the error setting signal is a square wave signal, and when the first light-emitting unit receives the error setting signal, the first light-emitting unit flashes at a predetermined frequency to emit light. In addition, when the second light-emitting unit receives the error setting signal, the second light-emitting unit flashes and emits light at the set frequency.
preferably, the motherboard unit further comprises a cpu socket for mounting a cpu, the cpu has at least one ground pin, and the cpu socket has at least one jack, wherein when the cpu is inserted into the cpu socket, each jack is electrically connected to each ground pin. In addition, the method for detecting the connection of the motherboard components further comprises the following steps: providing a high voltage level to each of the jacks; the microprocessor unit detects whether the voltage level of the jack is the ground voltage to judge whether the central processing unit is correctly inserted into the central processing unit slot; and generating an insertion error signal when the microprocessor unit detects that the voltage level of any one of the jacks is a high voltage level.
Preferably, the microprocessor unit is further configured to control a power-on procedure of the motherboard. In addition, the method for detecting the connection of the motherboard components further comprises the following steps: the micro-processing unit stops the power-on program of the mainboard according to the insertion error signal.
Preferably, each of the ground pins of the cpu is disposed at each corner of the cpu.
Compared with the prior art, the method for detecting the connection state of the main board element can help a user to more easily judge whether the jumper setting on the main board meets the original preset value, greatly reduce debugging time in the research and development test process, and effectively enable a research and development staff or the user of the main board to clearly judge the setting requirement adjustment of the jumper. On the other hand, the situation that the system operation is wrong due to incorrect connection of the central processing unit is also avoided.
[ description of the drawings ]
Fig. 1 is a schematic diagram illustrating a motherboard according to an embodiment of the invention.
[ detailed description ] embodiments
Referring to fig. 1, a motherboard 100 includes a cpu 110, a cpu socket 120, jumpers J1, J2, …, and Jn, and light emitting units LED1, LED2, …, and LEDn. In this embodiment, the mcu 110 can be a Complex Programmable Logic Device (CPLD) for controlling a power-on program on the motherboard 100, the cpu socket 120 is configured to configure the cpu 200, and the jumpers J1, J2, …, and Jn are configured to provide the set voltage levels V1, V2, …, and Vn to determine at least one set configuration in the motherboard 100. It should be understood that the set voltage levels V1, V2, …, Vn are provided to corresponding devices (not shown) or pins on the main board 110, and the types, numbers and pins of the connected devices may be different according to the specifications and functions of the main board 110. The light emitting units L1, L2, …, Ln are respectively disposed beside the jumpers J1, J2, …, Jn for respectively displaying whether the jumpers J1, J2, …, Jn are correctly disposed.
In the present embodiment, the memory unit 112 of the microprocessor 110 stores a set of preset setting values. The preset set of setting values includes preset setting values corresponding to preset voltage levels (e.g., preset voltage levels S1, S2, …, Sn) of the setting voltage levels V1, V2, …, Vn, which are preset by a user for the jumpers J1, J2, …, Jn. In the present embodiment, the preset values of the preset voltage levels S1, S2, …, Sn may be "0" or "1" respectively to indicate that the preset voltage level is a low voltage level or a high voltage level. It should be understood that the preset set of values can be binary values, and the value of each bit corresponds to the preset voltage level of each jumper, i.e., the preset value. Therefore, the number of bits in the preset setting value group is the same as the number of jumpers. For example, when the number of jumpers is 6 (e.g., J1, J2, …, J6), the preset set value stored in the memory cell 112 can be "001001", which means that the preset voltage levels of the jumpers J1, J4 are high voltage levels and the preset voltage levels of the jumpers J2, J4, J5, J6 are low voltage levels. Alternatively, when the number of jumpers is 8 (e.g., J1, J2, …, J8), the preset set value stored in the memory cell 112 can be "00100101", which indicates that the preset voltage levels of the jumpers J1, J3, J6 are high voltage levels and the preset voltage levels of the jumpers J2, J4, J5, J7, J8 are low voltage levels. It should be understood that the correspondence between the default values in the bits of the default value set and the jumpers in the above examples is only an example, and the invention is not limited thereto.
The mcu 110 is coupled to the jumpers J1, J2, …, and Jn to detect the setting voltage levels V1, V2, …, and Vn thereof, and compares the detected setting voltage levels V1, V2, …, and Vn with the preset voltage levels S1, S2, S …, and Sn corresponding to the preset set values in the memory unit 112, thereby determining whether the jumpers J1, J2, …, and Jn are correctly set. In the example of detecting the jumper J1, the mcu 110 compares the set voltage level V1 with the preset voltage level S1 corresponding to the jumper J1 in the preset set value of the memory unit 112, and determines that the jumper J1 is correctly set if the two correspond to each other (e.g., the set voltage level V1 of the jumper J1 is a high voltage level and the preset setting value corresponding to the jumper J1 in the preset set value of the memory unit 112 is "1"), or the set voltage level V1 of the jumper J1 is a low voltage level and the preset setting value corresponding to the jumper J1 in the preset set value of the memory unit 112 is "0"), and the mcu 110 transmits a correct setting signal to the lighting unit L1 corresponding to the jumper J1 (e.g., transmits a high voltage level to make the lighting unit L1 continuously light up) to inform the user that the jumper J1 is correctly set. It should be understood that the above signals are provided by way of example only and are not intended to be limiting.
On the other hand, when the microprocessor 110 compares the preset voltage level V1 with the preset voltage level S1 corresponding to the jumper J1 in the preset setting value set in the memory unit 112, if the preset voltage level V1 and the preset voltage level S1 do not correspond to each other, it determines that the jumper J1 is not correctly set, and the microprocessor 110 transmits an error setting signal to the light emitting unit L1 corresponding to the jumper J1 (e.g., transmits a square wave signal with a predetermined frequency to make the light emitting unit L1 flash) to notify the user of a setting error of the jumper J1. It should be understood that the above error setting signal is only for example and not limited thereto. On the other hand, the detection method of the jumpers J2, …, and Jn of the present invention is also the same as the example of the jumper J1, and thus, the description thereof is omitted here.
In the embodiment, the cpu socket 120 has a plurality of jacks respectively corresponding to the pins of the cpu 200. For simplicity, only the sockets P1, P2, P3, and P4 located at the corners of the CPU socket 120 are shown, however, it should be understood that there are other sockets corresponding to the pins of the CPU 200 in the CPU socket 120, and the CPU socket 120 may be different according to the specifications of the CPU 200, and the invention is not limited thereto.
The sockets P1, P2, P3, P4 of the cpu socket 120 are respectively coupled to the high voltage node H through resistors R1, R2, R3, R4, and respectively correspond to the ground pins G1, G2, G3, G4 of the cpu 200. In other words, when the cpu 200 is properly inserted into the cpu socket 120, the ground pins G1, G2, G3, G4 are electrically connected to the sockets P1, P2, P3, P4, respectively.
in order to determine whether the CPU 200 is correctly inserted into the CPU slot 120, in the present embodiment, when the motherboard 100 is powered on and the CPU 110 performs the power-on procedure, the CPU 110 first determines the voltage levels of the sockets P1, P2, P3, and P4 to determine whether the CPU 200 is correctly inserted. In the example of determining the socket P1, the mcu 110 determines whether the voltage level of the socket P1 is the ground voltage, and if not, it indicates that the socket P1 is still at the high voltage level provided by the high voltage node H via the resistor R1, at this time, the mcu 110 may generate an insertion error signal to notify the user that the cpu 200 is not correctly inserted, and the mcu 110 stops the power-on procedure according to the insertion error signal to avoid generating a system error. The detection of the sockets P2, P3, and P4 is also the same as the above example, and will not be described herein.
On the other hand, in the case of determining the jack P1, if the mcu 110 determines that the voltage level of the jack P1 is the ground voltage, which means that the jack P1 is pulled down from the original high voltage level to the ground voltage through the ground pin G1 of the cpu 200, the mcu 110 determines that the ground pin G1 of the cpu 200 is correctly plugged into the jack P1. In addition, the detection of the sockets P2, P3, P4 is the same as the above example. When the cpu 110 determines that the ground pins G1, G2, G3, and G4 of the cpu 200 are properly plugged into the sockets P1, P2, P3, and P4, the following power-on process or other operations may be continued.
In addition, in order to ensure that the pins of the CPU 200 are properly inserted into the sockets of the CPU socket 120, the sockets P1, P2, P3, P4 detected by the MPU 110 are respectively disposed at the four corners of the CPU socket 120, so that once the four corners of the CPU 200 are properly aligned with the sockets of the CPU socket 120, the CPU 200 is properly disposed on the CPU socket 120.
in the present embodiment, the micro-processing unit 110 executes the corresponding program code to perform the operations of the micro-processing unit 110 related to the connection status detection method described in the above embodiments, such as detecting the voltage of the jumper, comparing the voltage of the jumper with the voltage indicated by the preset set value, outputting the correct setting signal, outputting the incorrect setting signal, detecting the voltage level of the cpu socket, and the like. Therefore, the program codes for detecting the connection state detection are arranged before the program codes for powering on, so that the mainboard component can be prevented from being powered on under the condition of incorrect connection.
In summary, by the connection detection method of the motherboard component of the present invention, a user can more easily determine whether the jumper settings on the motherboard meet the original preset values, thereby greatly reducing the debugging time during the development and testing process, and effectively enabling the developer or user of the motherboard to clearly determine whether the jumper settings need to be adjusted. On the other hand, the situation that the system operation is wrong due to incorrect connection of the central processing unit is also avoided.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A method for detecting connection status of motherboard component, which is suitable for a motherboard having a microprocessor unit, a first jumper and a second jumper, the motherboard determines at least one configuration set by the motherboard according to a first set voltage level of the first jumper and a second set voltage of the second jumper, a first light-emitting unit and a second light-emitting unit are respectively disposed beside the first jumper and the second jumper, the first light-emitting unit and the second light-emitting unit are respectively coupled to the microprocessor, a memory unit of the microprocessor pre-stores a set of preset values including a first preset value corresponding to the first set voltage level and a second preset value corresponding to the second set voltage level, the method is characterized in that, the method for detecting the connection state of the main board element comprises the following steps:
The microprocessor unit detects whether the first set voltage level of the first jumper is in accordance with a first preset voltage level corresponding to the first preset value;
when the first setting voltage level is in accordance with the first preset voltage level, the micro-processing control unit transmits a correct setting signal to the first light-emitting unit;
When the first set voltage level does not conform to the first preset voltage level, the micro-processing control unit transmits an error setting signal to the first light-emitting unit;
The microprocessor unit detects whether the second set voltage level of the second jumper meets a second preset voltage level corresponding to the second preset value;
when the second setting voltage level is in accordance with the second preset voltage level, the micro-processing unit transmits the correct setting signal to the second light-emitting unit; and
When the second set voltage level does not conform to the second preset voltage level, the micro-processing control unit transmits the error setting signal to the second light-emitting unit.
2. the method as claimed in claim 1, wherein the preset setting value set is a binary value and has two bits, and the value of each bit is the first preset value and the second preset value respectively.
3. The method of claim 2, wherein the first predetermined voltage level is a high voltage level when the first predetermined value is 1; and
When the first predetermined value is 0, the first predetermined voltage level is a low voltage level.
4. The method of claim 1, wherein the correct setting signal is a high voltage level, and the first light-emitting unit continuously emits light when the first light-emitting unit receives the correct setting signal;
when the second light-emitting unit receives the correct setting signal, the second light-emitting unit continuously emits light.
5. The method as claimed in claim 4, wherein the error setting signal is a square wave signal, and when the first light emitting unit receives the error setting signal, the first light emitting unit flashes at a predetermined frequency;
when the second light-emitting unit receives the error setting signal, the second light-emitting unit flashes and emits light at the set frequency.
6. The method as claimed in claim 1, wherein the motherboard unit further comprises a CPU socket for housing a CPU, the CPU has at least one ground pin, the CPU socket has at least one jack, wherein when the CPU is plugged into the CPU socket, each jack is electrically connected to each ground pin, and the method further comprises:
Providing a high voltage level to each of the jacks;
The microprocessor unit detects whether the voltage level of the jack is the ground voltage to judge whether the central processing unit is correctly inserted into the central processing unit slot; and
When the micro-processing unit detects that the voltage level of any one of the jacks is a high voltage level, an insertion error signal is generated.
7. The method as claimed in claim 6, wherein the microprocessor is further configured to control a power-on process of the motherboard, and the method further comprises:
The micro-processing unit stops the power-on program of the mainboard according to the insertion error signal.
8. The method as claimed in claim 6, wherein the ground pins of the CPU are disposed at corners of the CPU respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810521976.1A CN110543391B (en) | 2018-05-28 | 2018-05-28 | Method for detecting connection state of motherboard element |
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| CN201810521976.1A CN110543391B (en) | 2018-05-28 | 2018-05-28 | Method for detecting connection state of motherboard element |
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| CN110543391B CN110543391B (en) | 2023-06-06 |
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Cited By (1)
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| TWI830623B (en) * | 2023-03-15 | 2024-01-21 | 神雲科技股份有限公司 | A motherboard detection method |
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