CN220473980U - System for detecting connection between main board and board card in server - Google Patents
System for detecting connection between main board and board card in server Download PDFInfo
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- CN220473980U CN220473980U CN202321941102.4U CN202321941102U CN220473980U CN 220473980 U CN220473980 U CN 220473980U CN 202321941102 U CN202321941102 U CN 202321941102U CN 220473980 U CN220473980 U CN 220473980U
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Abstract
The utility model provides a system for detecting a connecting cable of a main board and a board card in a server, which belongs to the technical field of server cable detection and comprises the main board, the board card and the connecting cable for connecting the main board and the board card; the main board is provided with a pull-up module and a CPLD, and the board card is provided with a grounding module; the connecting cable comprises a main board end and a board card end; the main board end is connected with the pull-up module and the CPLD, and the CPLD is connected with an indicator lamp; the board card end is connected with the grounding module. The CPLD cable is matched with the pull-up module and the grounding module to realize the on-site signal detection of the board card, the on-site detection of the CPLD on the board card is displayed through the indicator lamp or the BMC, and the on-site detection of testers and research personnel is avoided.
Description
Technical Field
The utility model belongs to the technical field of server cable detection, and particularly relates to a system for detecting a connection cable between a main board and a board card in a server.
Background
SKU, abbreviated as Stock Keeping Unit, is a stock unit and has now been extended to products with a uniform product number, each corresponding to a unique SKU number, and for server products SKU numbers used to differentiate different packages and refinement requirements for the respective items.
In addition to the motherboard, many SKU boards and adapter cards are used in the server to support various components, such as network cards, PCIE cards, hard disks, and other extended function cards. The butt joint mode of each board card and the main board is board-to-board butt joint and the other is cable connection. There are typically 10 to 20 cable combinations in the server to meet the connection between each card and the motherboard.
The cable that mainboard and integrated circuit board are connected in current server is by cable engineer's preparation technology file, instructs production personnel and institutional engineer to accomplish the cable equipment when assembling the server product, carries out the functional test by the tester after the assembly of server product is accomplished, verifies that whether there is the problem in the cable that research and development personnel designed, verifies that whether there is the problem in the installation connection of each cable. The current cable connection mode of the main board and the board card needs to be verified in time, and when the cable connection problem exists, a tester needs to check whether the cable is wrong in design or wrong in cable or is wrong in installation of production personnel or even the problem that the cable is connected correctly but not connected firmly in site with a research and development personnel, so that a great deal of time and labor are wasted, and the efficiency is very low.
Therefore, in view of the above-mentioned drawbacks, it is necessary to provide a system for detecting the connection cable between the motherboard and the board in the server.
Disclosure of Invention
Aiming at the defects that the current connection mode of the main board and the board card cable needs a tester to verify whether the cable connection has a problem, and whether the problem exists is that a research and development personnel is required to confirm whether the cable connection is a design problem or an installation problem on site, time and labor are wasted and the efficiency is extremely low, the utility model provides a system for detecting the connection of the main board and the board card in a server, and aims to solve the technical problems.
The utility model provides a system for detecting connection cables of a main board and a board card in a server, which comprises the main board, the board card and the connection cables for connecting the main board and the board card;
the main board is provided with a pull-up module and a CPLD, and the board card is provided with a grounding module;
the connecting cable comprises a main board end and a board card end;
the main board end is connected with the pull-up module and the CPLD, and the CPLD is connected with an indicator lamp;
the board card end is connected with the grounding module.
Further, the pull-up module comprises a pull-up resistor and a power terminal;
the pull-up resistor is connected with the main board end and the power supply terminal;
the grounding module comprises a grounding pin;
the grounding pin is connected with the board card end and is communicated with the ground of the board card.
Further, a main board connector is arranged at the main board end of the connecting cable;
two rows of pin needles are arranged on the main board connector, and pin needles on four corners are main board test pin needles;
the pull-up module comprises four pull-up units which are in one-to-one correspondence with four main board test pin needles;
the CPLD comprises an OR gate, an output terminal and four input terminals;
each main board test pin is connected with a corresponding pull-up unit and a corresponding input terminal;
the OR gate is connected with the output terminal and the four input terminals;
the output terminal is connected with the indicator lamp.
Further, a board connector is arranged at the board end of the connecting cable;
two rows of pin needles are arranged on the board card connector, and pin needles on four corners are board card test pin needles; the grounding module comprises four grounding units corresponding to the four main board test pin needles;
each board card test pin is connected with a corresponding grounding unit.
Further, a cable connector is arranged on the connecting cable;
a PCB is arranged in the cable connector, and a butt joint pin and an IO expansion chip are arranged on the PCB;
the IO expansion chip comprises an I2C main service signal line and an I2C detection signal line;
the butt joint pins comprise service pins and detection pins;
the I2C detection signal line is connected with the pull-up module and the grounding module through detection pins;
the board card is also provided with another pull-up module connected with the grounding module and the I2C detection signal line.
Further, the butt joint pins comprise a main board end pin and a board card end pin;
the pins of the main board end are spliced with the pins of the board card end;
the main board end pins and the board card end pins respectively comprise service pins and detection pins;
the detection pins of the pins at the main board end are connected with the pull-up module;
and the detection pins of the board card end pins are connected with the grounding module.
Further, the pull-up module on the board card comprises a pull-up resistor and a power terminal;
the pull-up resistor is connected with the I2C detection signal line and the power supply terminal;
the grounding module comprises a pull-down resistor and a grounding pin;
the pull-down resistor is connected with the I2C detection signal line and the grounding pin, and the grounding pin is communicated with the ground of the board card.
Further, the number of the boards is a plurality of boards;
the number of the pull-up modules on the main board is equal to that of the grounding modules on the board card;
the CPLD is connected with a BMC.
Further, the CPLD is connected with the BMC through an I2C signal line.
Further, the CPLD is connected with the indicator lamp through a GPIO pin.
The utility model has the beneficial effects that:
according to the system for detecting the connection cable between the main board and the board in the server, the CPLD cable is matched with the pull-up module and the grounding module to realize board on-site signal detection, and the CPLD displays the on-site detection of the board through the indicator lamp or displays the board through the BMC, so that the on-site detection of testers and research personnel is avoided.
In addition, the utility model has reliable design principle, simple structure and very wide application prospect.
It is seen that the present utility model provides substantial features and improvements over the prior art, as well as significant advantages in its practice.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic diagram of a system embodiment 1 of the present utility model for inspecting a connection cable between a motherboard and a board in a server.
Fig. 2 is a schematic diagram of a motherboard connector of a system for detecting a connection cable between a motherboard and a board in a server according to the present utility model.
Fig. 3 is a schematic diagram of a cable connector of a system for detecting a connection cable between a motherboard and a board in a server according to the present utility model.
Fig. 4 is a schematic diagram illustrating connection between a plurality of boards and a motherboard in embodiment 1 of the present utility model.
Fig. 5 is a schematic diagram of a system embodiment 3 of the present utility model for inspecting a connection cable between a motherboard and a board in a server.
In the figure, a 1-motherboard; 2-a board card; 3-connecting the cable; 4-CPLD; 5-indicator lights; 6-a motherboard connector; 7-testing pin needles on the main board; 8-a cable connector; 9-butting pins; 9.1-service pins; 9.2-detect pin; 10-IO expansion chip; 11-BMC; ru 1-a first pull-up resistor; ru 2-second pull-up resistor; rd-pull-down resistor; P3V 3-power terminal.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
Example 1:
aiming at the problems that a tester is required to verify whether cable connection has a problem in the current connection mode of a main board and a board card cable, and whether the problem exists is that a research and development personnel is required to confirm whether the cable connection is a design problem or an installation problem on site, time and labor are wasted and the efficiency is extremely low, as shown in fig. 1, the utility model provides a system for detecting the connection cable of the main board and the board card in a server, which comprises a main board 1, a board card 2 and a connection cable 3 for connecting the main board 1 and the board card 2;
the motherboard 1 is provided with a first pull-up module and a CPLD4, and the board card 2 is provided with a grounding module;
the connecting cable 3 comprises a main board end and a board card end;
the main board end is connected with the first pull-up module and the CPLD4, and the CPLD4 is connected with an indicator lamp 5;
the board card end is connected with the grounding module;
the first pull-up module comprises a first pull-up resistor Ru1 and a power terminal P3V3; the power supply terminal can adopt a 3.3V power supply;
the first pull-up resistor Ru1 is connected with the main board end and the power supply terminal P3V3;
the grounding module comprises a grounding pin;
the ground pin is connected with the board card end and is communicated with the ground GND of the board card 2.
In some embodiments, as shown in fig. 4, the number of boards 2 is a number;
the number of the first pull-up modules on the main board 2 is equal to the number of the grounding modules on the board 2;
the CPLD4 is connected with a BMC 11;
CPLD4 is connected with BMC 11 through I2C signal line, and CPLD4 is connected with pilot lamp 5 through GPIO pin.
Example 2:
aiming at the problems that a tester is required to verify whether cable connection has a problem in the current connection mode of a main board and a board card cable, and whether the problem exists is that a research and development personnel is required to confirm whether the cable connection is a design problem or an installation problem on site, time and labor are wasted and the efficiency is extremely low, as shown in fig. 1, the utility model provides a system for detecting the connection cable of the main board and the board card in a server, which comprises a main board 1, a board card 2 and a connection cable 3 for connecting the main board 1 and the board card 2;
the motherboard 1 is provided with a first pull-up module and a CPLD4, and the board card 2 is provided with a grounding module;
the connecting cable 3 comprises a main board end and a board card end;
the main board end is connected with the first pull-up module and the CPLD4, and the CPLD4 is connected with an indicator lamp 5; the indicator lamp 5 adopts an LED lamp;
the board card end is connected with the grounding module;
the first pull-up module comprises a pull-up resistor Ru1 and a power terminal P3V3; the power supply terminal can adopt a 3.3V power supply;
the first pull-up resistor Ru1 is connected with the main board end and the power supply terminal P3V3;
the grounding module comprises a grounding pin;
the grounding pin is connected with the board card end and is communicated with the ground GND of the board card 2;
as shown in fig. 2, the motherboard end of the connection cable is provided with a motherboard connector 6;
two rows of pin needles are arranged on the main board connector 6, and pin needles on four corners are main board test pin needles 7;
the pull-up module comprises four pull-up units which are in one-to-one correspondence with the four main board test pin needles 7;
CPLD4 comprises an OR gate, an output terminal and four input terminals;
each main board test pin needle 7 is connected with a corresponding pull-up unit and a corresponding input terminal;
the OR gate is connected with the output terminal and the four input terminals;
the output terminal is connected with the indicator lamp 5;
the board card end of the connecting cable is provided with a board card connector; the board card connector has the same structure as the main board connector;
two rows of pin needles are arranged on the board card connector, and pin needles on four corners are board card test pin needles;
the grounding module comprises four grounding units corresponding to the four main board test pin needles;
each board card test pin is connected with a corresponding grounding unit.
The cable is connected to four corners of the connector by the cable in-place signal, and then is connected to the CPLD for OR gate calculation, if one pin is high, the cable can be known to have certain corner on the four corner connection of the connector for tilting and loosening, so that the risk of connection error can be ensured to be lower.
The CPLD of the utility model presents the names and the corresponding connected states of the cables through the LED lamp on the main board 1, so that on-site testers can position the problem on which cable without confirmation by a computer.
Example 3:
aiming at the problems that a tester is required to verify whether cable connection has a problem in the current connection mode of a main board and a board card cable, and whether the problem exists is that a research and development personnel is required to confirm whether the cable connection is a design problem or an installation problem on site, time and labor are wasted and the efficiency is extremely low, as shown in fig. 1, the utility model provides a system for detecting the connection cable of the main board and the board card in a server, which comprises a main board 1, a board card 2 and a connection cable 3 for connecting the main board 1 and the board card 2;
the motherboard 1 is provided with a first pull-up module and a CPLD4, and the board card 2 is provided with a grounding module;
the connecting cable 3 comprises a main board end and a board card end;
the main board end is connected with the first pull-up module and the CPLD4, and the CPLD4 is connected with an indicator lamp 5;
the board card end is connected with the grounding module;
the first pull-up module comprises a first pull-up resistor Ru1 and a power terminal P3V3; the power supply terminal can adopt a 3.3V power supply;
the first pull-up resistor Ru1 is connected with the main board end and the power supply terminal P3V3;
the grounding module comprises a grounding pin;
the grounding pin is connected with the board card end and is communicated with the ground GND of the board card 2;
as shown in fig. 3, the connection cable 3 is provided with a cable connector 8;
a PCB is arranged in the cable connector 8, and a butt joint pin 9 and an IO expansion chip 10 are arranged on the PCB;
the IO expansion chip 10 comprises an I2C main service signal line and an I2C detection signal line;
the docking pin 9 comprises a service pin 9.1 and a detection pin 9.2;
the I2C detection signal line is connected with the first pull-up module and the grounding module through detection pins 9.2;
the butt joint pins 9 comprise main board end pins and board card end pins;
the pins of the main board end are spliced with the pins of the board card end;
the main board end pin and the board card end pin respectively comprise a service pin 9.1 and a detection pin 9.2;
the detection pin 9.2 of the main board end pin is connected with the first pull-up module;
the detection pin of the pin at the board card end is connected with the grounding module;
as shown in fig. 5, the second pull-up module on the board 2 includes a second pull-up resistor Ru2 and a power terminal P3V3; the power supply terminal P3V3 adopts a 3.3V power supply;
the second pull-up resistor Ru2 is connected with the I2C detection signal line and the power supply terminal;
the grounding module comprises a pull-down resistor Rd and a grounding pin;
the pull-down resistor Rd is connected with the I2C detection signal line and the grounding pin, and the grounding pin is communicated with the ground GND of the board card;
the number of the board cards 2 is a plurality of;
the number of the first pull-up modules on the main board 2 is equal to the number of the grounding modules on the board 2;
the CPLD4 is connected with a BMC 11;
CPLD4 is connected with BMC 11 through I2C signal line, and CPLD4 is connected with pilot lamp 5 through GPIO pin.
The IO expansion chip 10 connects each board card 2 with the main board 1, so that the definition of pin needles of the connector design on each small board is unified and modularized, and the interface is unified; in addition, the pin number of the main board end can be reduced through I2C bus connection, and the effect of reducing the connector to release the main board space is achieved.
The CPLD of the utility model presents the names and the corresponding connected states of the cables through the LED lamp on the main board 1, so that on-site testers can position the problem on which cable without confirmation by a computer, and the cable can be ensured to be risk-free during shipment without time for functional test verification. Meanwhile, the CPLD transmits information through interaction with the BMC, so that the BMC can display whether the connection state of each cable in the current server machine is in place or not and whether the connection of cables is in place or not is not problematic on the Web, and research personnel not in the field can remotely monitor whether the connection of the cables is in place or not.
Although the present utility model has been described in detail by way of preferred embodiments with reference to the accompanying drawings, the present utility model is not limited thereto. Various equivalent modifications and substitutions may be made in the embodiments of the present utility model by those skilled in the art without departing from the spirit and scope of the present utility model, and it is intended that all such modifications and substitutions be within the scope of the present utility model/be within the scope of the present utility model as defined by the appended claims. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (10)
1. The system for detecting the connection cable between the main board and the board card in the server is characterized by comprising the main board, the board card and the connection cable for connecting the main board and the board card;
the main board is provided with a pull-up module and a CPLD, and the board card is provided with a grounding module;
the connecting cable comprises a main board end and a board card end;
the main board end is connected with the pull-up module and the CPLD, and the CPLD is connected with an indicator lamp;
the board card end is connected with the grounding module.
2. The system for inspecting a motherboard-to-board connection cable of a server of claim 1, wherein the pull-up module comprises a pull-up resistor and a power terminal;
the pull-up resistor is connected with the main board end and the power supply terminal;
the grounding module comprises a grounding pin;
the grounding pin is connected with the board card end and is communicated with the ground of the board card.
3. The system for inspecting a motherboard-to-board connection cable of a server of claim 1, wherein the motherboard end of the connection cable is provided with a motherboard connector;
two rows of pin needles are arranged on the main board connector, and pin needles on four corners are main board test pin needles;
the pull-up module comprises four pull-up units which are in one-to-one correspondence with four main board test pin needles;
the CPLD comprises an OR gate, an output terminal and four input terminals;
each main board test pin is connected with a corresponding pull-up unit and a corresponding input terminal;
the OR gate is connected with the output terminal and the four input terminals;
the output terminal is connected with the indicator lamp.
4. The system for detecting a connection cable between a motherboard and a board in a server according to claim 3, wherein a board connector is provided at a board end of the connection cable;
two rows of pin needles are arranged on the board card connector, and the pin needles on the four corners are board card test pin needles;
the grounding module comprises four grounding units corresponding to the four main board test pin needles;
each board card test pin is connected with a corresponding grounding unit.
5. The system for inspecting a motherboard-to-board connection cable in a server of claim 1, wherein the connection cable has a cable connector;
a PCB is arranged in the cable connector, and a butt joint pin and an input/output expansion chip are arranged on the PCB;
the input/output expansion chip comprises an I2C main service signal line and an I2C detection signal line;
the butt joint pins comprise service pins and detection pins;
the I2C detection signal line is connected with the pull-up module and the grounding module through detection pins;
the board card is also provided with another pull-up module connected with the grounding module and the I2C detection signal line.
6. The system for inspecting a motherboard-to-board connection cable of claim 5, wherein the docking pins comprise motherboard-end pins and board-end pins;
the pins of the main board end are spliced with the pins of the board card end;
the main board end pins and the board card end pins respectively comprise service pins and detection pins;
the detection pins of the pins at the main board end are connected with the pull-up module;
and the detection pins of the board card end pins are connected with the grounding module.
7. The system for detecting a motherboard-to-board connection cable in a server of claim 5 or 6, wherein the pull-up module on the board comprises a pull-up resistor and a power terminal;
the pull-up resistor is connected with the I2C detection signal line and the power supply terminal;
the grounding module comprises a pull-down resistor and a grounding pin;
the pull-down resistor is connected with the I2C detection signal line and the grounding pin, and the grounding pin is communicated with the ground of the board card.
8. The system for detecting a connection cable between a motherboard and a board in a server according to claim 1, wherein the number of boards is a plurality of boards;
the number of the pull-up modules on the main board is equal to that of the grounding modules on the board card;
the CPLD is connected with a BMC.
9. The system for testing a motherboard-to-board connection cable of claim 8, wherein the CPLD is connected to the BMC via an I2C signal line.
10. The system for detecting a motherboard-to-board connection cable in a server of claim 1, wherein the CPLD is connected to the indicator light through a GPIO pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321941102.4U CN220473980U (en) | 2023-07-21 | 2023-07-21 | System for detecting connection between main board and board card in server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321941102.4U CN220473980U (en) | 2023-07-21 | 2023-07-21 | System for detecting connection between main board and board card in server |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220473980U true CN220473980U (en) | 2024-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321941102.4U Active CN220473980U (en) | 2023-07-21 | 2023-07-21 | System for detecting connection between main board and board card in server |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220473980U (en) |
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2023
- 2023-07-21 CN CN202321941102.4U patent/CN220473980U/en active Active
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