CN213904335U

CN213904335U - BMC management system based on XMC interface

Info

Publication number: CN213904335U
Application number: CN202023283979.8U
Authority: CN
Inventors: 张世强
Original assignee: Inspur Electronic Information Industry Co Ltd
Current assignee: Inspur Electronic Information Industry Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-06
Anticipated expiration: 2030-12-30

Abstract

The utility model provides a BMC management system based on XMC interface, including base plate management controller, second XMC connector, second PMC connector, VGA driver, VGA interface and peripheral equipment connection module; the substrate management controller is respectively connected with the second XMC connector, the second PMC connector, the VGA driver, the VGA interface and the peripheral equipment connecting module; and the VGA driver is also respectively connected with the second PMC connector and the VGA interface. The second XMC connector is also buckled and plugged with the first XMC connector on the server mainboard. The second PMC connector is also in buckling and inserting stacking connection with the first PMC connector on the server main board. The utility model discloses a server provides the formula BMC management card function of stacking, with XMC and PMC connector rational distribution high-speed signal and low-speed signal transmission, can realize that BMC and server mainboard stacking connect, improve mainboard utilization ratio and maintainability.

Description

BMC management system based on XMC interface

Technical Field

The utility model belongs to the technical field of server mainboard design, in particular to BMC management system based on XMC interface.

Background

The BMC part of the server is designed completely, is used as an important link for monitoring the server, and has special significance. The XMC interface has the characteristics of firm connection, strong vibration resistance, high-speed signal transmission and the like, and the XMC interface card is widely applied based on XMC interface design as a sandwich card, and a plurality of interface cards, network cards, display cards and the like of XMC are derived. The development of the modern server field is very rapid, and the design advantages of the server can be greatly enhanced by applying the high-speed stackable technology of the XMC interface. Therefore, it is very necessary to design a functional card of XMC interface, especially a BMC management card based on XMC standard interface.

At present, a BMC interface of a mainstream server is designed in a mainboard, the server mainboard is interconnected with a BMC through a PCIe bus to realize a VGA display function, and in addition, the BMC is provided with rich resources to realize voltage monitoring, read the temperature of each board card, read the FRU state, expand a management network port, realize serial communication, and supervise the starting, shutdown, operation and other states of the server mainboard through GPIO. With the requirements on functions and performance of the server becoming higher and higher, the server mainboard resources become more and more, and the space occupied by the onboard BMC circuit of the server is generally larger, which provides a huge challenge for layout and wiring of the server. In addition, the BMC is an independent integral part, and great risk is brought once problems occur and the problems cannot be solved quickly.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a BMC management system based on XMC interface uses XMC and PMC connector rational distribution high-speed signal and low-speed signal transmission, can realize BMC and server mainboard stacking joint. The XMC interface has firm connection and strong vibration resistance, and improves the utilization rate and the maintainability of the mainboard.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a BMC management system based on XMC interface comprises a substrate management controller, a second XMC connector, a second PMC connector, a VGA driver, a VGA interface and a peripheral equipment connection module;

the substrate management controller is respectively connected with the second XMC connector, the second PMC connector, the VGA driver, the VGA interface and the peripheral equipment connecting module; and the VGA driver is also respectively connected with the second PMC connector and the VGA interface.

Furthermore, the second XMC connector is buckled and plugged with the first XMC connector on the server mainboard in a stacking manner.

Further, the second PMC connector is also in snap-fit stacking connection with the first PMC connector on the server motherboard.

Furthermore, the peripheral equipment connecting module comprises an SD card connector, an earphone hole serial port and a management network port;

and the substrate management controller is respectively connected with the SD card connector, the earphone hole serial port and the management network port.

Further, the model of the baseboard management controller is AST 2500.

Further, the management network port adopts an RJ45 connector.

Further, the VGA interface is connected with a display.

The effect provided in the summary of the invention is only the effect of the embodiment, not all the effects of the invention, and one of the above technical solutions has the following advantages or beneficial effects:

the utility model provides a BMC management system based on XMC interface, including base plate management controller, second XMC connector, second PMC connector, VGA driver, VGA interface and peripheral equipment connection module; the substrate management controller is respectively connected with the second XMC connector, the second PMC connector, the VGA driver, the VGA interface and the peripheral equipment connecting module; and the VGA driver is also respectively connected with the second PMC connector and the VGA interface. The second XMC connector is also buckled and plugged with the first XMC connector on the server mainboard. The second PMC connector is also in buckling and inserting stacking connection with the first PMC connector on the server main board. The utility model discloses a server provides the formula BMC management card function of stacking, with XMC and PMC connector rational distribution high-speed signal and low-speed signal transmission, can realize that BMC and server mainboard stack connect. The XMC interface has firm connection and strong vibration resistance, and improves the utilization rate and the maintainability of the mainboard.

Drawings

Fig. 1 is a schematic diagram of a BMC management system according to embodiment 1 of the present invention;

fig. 2 is a schematic view of a first XMC connector on a server motherboard according to embodiment 1 of the present invention;

fig. 3 is a schematic diagram of a second XMC connector in a BMC management system based on an XMC interface according to embodiment 1 of the present invention;

fig. 4 is a schematic circuit diagram of a VGA driver in a BMC management system according to embodiment 1 of the present invention.

Detailed Description

In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily limit the invention.

Example 1

The embodiment 1 of the utility model provides a BMC management system based on XMC interface, through the second XMC connector above the BMC management system and the first XMC connector on the server motherboard carry out the stacking and connect, the BMC management function can be realized to normal during operation. The voltage monitoring can be realized, the temperature of each board card is read, the FRU state is read, the management network port is expanded, the serial port communication is realized, and the GPIO supervises the states of the mainboard of the server, such as starting, shutting down and running. More importantly, the XMC interface BMC management card is detachable and replaceable. Once the BMC management system has problems, the BMC management system can be immediately replaced by replacement for verification, and quick problem positioning can be realized. With the help of the utility model discloses well independent, the stacking joint advantage can save server mainboard large-scale space, improves server mainboard interest rate usefulness, has improved the flexibility and the usability of server extension greatly.

Fig. 1 is a schematic diagram of a BMC management system according to embodiment 1 of the present invention; the system comprises a substrate management controller, a second XMC connector, a second PMC connector, a VGA driver, a VGA interface and a peripheral equipment connecting module;

The second XMC connector is also buckled and plugged with the first XMC connector on the server mainboard. And high-speed signal butt joint is realized. The server mainboard is in PCIe signal communication with the BMC, the USB signal is introduced into the BMC to realize the KVM function and supply power to the invention, and the XMC connector is in standard design. Fig. 2 is a schematic view of a first XMC connector on a server motherboard according to embodiment 1 of the present invention; fig. 3 is a schematic diagram of a second XMC connector in a BMC management system according to embodiment 1 of the present invention.

The second PMC connector is also in buckling and inserting stacking connection with the first PMC connector on the server main board. And low-speed signal butt joint is realized. VGA display signals, I2C signals, GPI0 signals, SPI signals, fan control signals and the like of the BMC are all connected with the mainboard in a butt joint mode through the connector. Fig. 4 is a schematic circuit diagram of a VGA driver in a BMC management system according to embodiment 1 of the present invention.

The peripheral equipment connecting module comprises an SD card connector, an earphone hole serial port and a management network port; the substrate management controller is respectively connected with the SD card connector, the earphone hole serial port and the management network port.

The baseboard management controller is model number AST 2500.

The management network port adopts an RJ45 connector.

The VGA interface is connected with a display. The VGA driver is a VGA display driver, can enhance one path of VGA input signals through driving, and can support the simultaneous output of 2 paths of copied VGA signals.

The SD card connector is a general SD card connector, and an SD card can be inserted for data storage.

The earphone hole serial port utilizes the characteristic of small volume of the earphone hole connector to change the audio signal of the earphone into serial ports RXD and TXD for receiving and transmitting signals.

The management network port is an RJ45 connector, the management network port is led out by the substrate management controller through the port, and the remote control of the server can be realized through the management network port.

The VGA interface is a VGA connector, and the VGA interface is in butt joint with the VGA display interface to realize display output of the server.

Use the utility model relates to a during BMC management system based on XMC interface, at first detain the second XMC connector still with the first XMC connector on the server mainboard and insert the stack and connect, the second PMC connector still detains with the first PMC connector on the server mainboard and inserts the stack and connect.

The second XMC connector realizes the signal butt joint of the mainboard and the BMC controller PCIe, USB and the like, can realize the VGA display function, outputs and displays through the VGA interface, and can realize the KVM function through the USB. The VGA driver drives VGA display signals of the BMC into 2 paths, one path of the VGA display signals is directly output and displayed through a VGA interface, the other path of the VGA display signals is introduced into the mainboard through a second PMC interface, and then the VGA display signals of the front ear of the server are introduced into the mainboard through the mainboard. The substrate management controller can store data into the SD card through the SD card connector, and the SD card can be directly taken out through the rear window of the server to read the data. The earphone serial port is a substrate management controller interface and can perform BMC control through an IPMI command. The baseboard management controller leads out a management network port through the management network port, and can log in a server BMC webpage through the management network port, so that the state monitoring and remote control of the server can be realized. The management internet access is led out through the management internet access, the server BM can be logged in through the management internet access to introduce signals such as I2C, GPI0 signals, SPI signals and fan control into the first PMC connector, state monitoring of temperature, voltage, whether faults occur and the like of the computer mainboard I2C can be achieved, and actions such as starting, shutting down and restarting of the server mainboard and fan speed control can also be achieved.

The utility model provides a pair of BMC management system schematic diagram based on XMC interface provides the formula BMC management card function of stacking connection for the server. The characteristics of sufficient point positions and reliable stacking connection of XMC and PMC connectors are fully utilized, and the maintainability of the server mainboard is improved by the BMC module design.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, the scope of the present invention is not limited thereto. Various modifications and alterations will occur to those skilled in the art based on the foregoing description. And are neither required nor exhaustive of all embodiments. On the basis of the technical scheme of the utility model, various modifications or deformations that technical personnel in the field need not pay out creative work and can make still are within the protection scope of the utility model.

Claims

1. The BMC management system based on the XMC interface is characterized by comprising a substrate management controller, a second XMC connector, a second PMC connector, a VGA driver, a VGA interface and a peripheral equipment connection module;

2. The XMC interface-based BMC management system of claim 1, wherein the second XMC connector is further snapped to and stacked with the first XMC connector on the server motherboard.

3. The XMC interface based BMC management system of claim 1, wherein the second PMC connector is further snap-fit stacked with the first PMC connector on the server motherboard.

4. The XMC interface based BMC management system of claim 1, wherein the peripheral device connection module comprises an SD card connector, an earphone jack serial port and a management network port;

5. The XMC interface-based BMC management system of claim 1, wherein the baseboard management controller is of a model AST 2500.

6. The XMC interface-based BMC management system of claim 4, wherein the management portal employs an RJ45 connector.

7. The XMC interface based BMC management system of claim 1, wherein the VGA interface is connected to a display.