Computer mainboard and electronic equipment

Abstract

The utility model discloses a computer main board and electronic equipment, the computer main board comprises a main board body, a storage interface, a display port, a network communication interface and a restoration function port, and the main board body is further provided with a firmware program and a PCH chip; the storage interface is connected to the main board body through a storage signal line, the display port is connected to the main board body based on a display driving unit, the network communication interface is connected to the main board body through a communication signal line, and the restoration function port is connected to the main board body through a light touch key; the mainboard main body is connected with the USB equipment through the power switch chip so as to realize self-recovery of the USB equipment based on a carried firmware program; a CMOS information clearing interface is arranged on the mainboard main body, so that the platform path controller is restarted when the PCH chip is started abnormally. According to the computer mainboard, the external port can be flexibly configured by a user according to different application scenes, so that the functions are maximized, the cost and the power consumption are reduced, and the application range is wider.

Description

Technical Field

[0001] The present application relates to the field of computer technology, and in particular to a computer motherboard and electronic equipment. Background Art

[0002] With the rapid development of industrial automation and intelligent manufacturing, the performance, stability and scalability of industrial computer motherboards, as the core components of industrial control systems, are crucial to the operation of the entire system.

[0003] In the industrial field, different industries often have different functions and requirements for computers. In order to avoid the motherboard performance not keeping up, most of the motherboard architectures of industrial computers in related technologies have functional redundancy and high power consumption, which cannot meet the current low power consumption and high reliability requirements. Utility Model Content

[0004] In view of the above problems, the present application provides a computer motherboard and an electronic device to solve the above technical problems.

[0005] In a first aspect, the present application provides a computer motherboard, which includes a motherboard body, a storage interface, a display port, a network communication interface, and a restore function port, wherein the motherboard body is provided with a plurality of interfaces respectively connected to the storage interface, the display port, the network communication interface, and the restore function port, and the motherboard body is also equipped with a firmware program and a platform path controller (Platform Controller Hub, PCH) chip;

[0006] The storage interface is connected to the main board through a storage signal line, the display port is connected to the main board based on the display driver unit, the network communication interface is connected to the main board through a communication signal line, and the restore function port is connected to the main board through a touch button;

[0007] The main body of the motherboard is also connected to the USB device through the power switch chip to realize the self-recovery of the USB device based on the onboard firmware program;

[0008] The main board is provided with a CMOS information clearing interface to restart the platform path controller when the PCH chip starts abnormally.

[0009] In a possible implementation of the present application, the main body of the motherboard includes a substrate and a central processing unit (CPU);

[0010] The CPU is integrated into the baseboard; or,

[0011] The direct media interface (DMI) of the baseboard is connected to the DMI interface of the CPU through a communication bus to achieve communication connection between the baseboard and the CPU.

[0012] In a possible implementation of the present application, the storage interface is an M.2 2280 interface, and the storage interface is connected to the main board through a high-speed serial computer expansion bus standard (peripheral component interconnect express, PCIE) or a SATA3.0 signal line to achieve functional compatibility between M.2 2280SATA SSD and M.22280NVME X4 SSD.

[0013] In a possible implementation of the present application, a direct digital access port (Digital Display Interface, DDI) of a main board body is connected to a display port through a display driver unit, and the display driver unit is used to convert a high-definition multimedia interface (High Definition Multimedia Interface, HDMI) signal from the display port and an integrated graphics card output signal from the main board body into each other.

[0014] In a possible implementation of the present application, the network communication interface includes at least one of a local area network (LAN) port, an RS232 serial port, an RS485 serial port, a USB port, a wireless fidelity (WIFI) interface, a Bluetooth (BT) interface, a controller area network bus (CAN) interface, or a general-purpose input / output port (GPIO);

[0015] The LAN port is an RJ45 Gigabit network port, which is connected to a Gigabit network card. The Gigabit network card is connected to the PCIE interface of the main board through the PCIE bus.

[0016] The RS232 serial port and the RS485 serial port are respectively connected to the input and output chip SIO, and the input and output chip SIO is connected to the eSPI interface of the main board through the Enhanced Serial Peripheral Interface (eSPI) bus;

[0017] The USB port includes 4 USB3.2 GEN1 interfaces. One set of native USB3.0 interfaces on the main body of the motherboard is connected to 2 of the 4 USB3.2 GEN1 interfaces through USB3.0 signal lines. Another set of native USB3.0 interfaces on the main body of the motherboard is extended through a hub and connected to the other 2 of the 4 USB3.2 GEN1 interfaces.

[0018] The WIFI interface uses an M.2 2230 interface, which is connected to the PCIE interface of the main board through a PCIE signal line;

[0019] The BT interface is connected to the USB2.0 interface of the main board through a USB2.0 signal line;

[0020] The CAN interface is connected to the USB2.0 interface of the main board through a board-to-board connector;

[0021] The GPIO port includes 4 input ports and 4 output ports.

[0022] In a possible implementation of the present application, the restore function port is connected to the GPIO port of the main board body through a touch button.

[0023] In a possible implementation of the present application, the main board body is also connected to an expansion interface unit, which includes an isolated digital input / output (isolated Digital input / output, isolated DIO) module. The isolated DIO module is configured with 8 input interfaces and 8 output interfaces.

[0024] In a possible implementation of the present application, the extended interface unit further includes a light source controller, and the light source controller is configured with four pulse width modulation (PWM) signal output interfaces to control the light source based on 4xPWM signals.

[0025] In a possible implementation of the present application, a memory interface of the main board body is connected to a memory connector, and the memory connector supports memory modules with a specification of DDR5.

[0026] In a second aspect, the present application also provides an electronic device, which includes a device body and the computer motherboard of the first aspect.

[0027] From the above content, it can be concluded that the present application has the following beneficial effects:

[0028] In the present application, the computer motherboard includes a motherboard main body and multiple external ports, such as a storage interface, a display port, a network communication interface and a restore function port, which allows users to flexibly configure the external ports according to different application scenarios, thereby maximizing functions, reducing costs and power consumption, and having a wider range of applications; the restore function port in the external port can achieve one-click restore of the system, thereby improving the practicality and restore efficiency of the computer motherboard; at the same time, the computer motherboard in the present application also has a USB self-recovery function and a CMOS information clearing function, thereby improving the reliability of the computer motherboard. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 It is a module schematic diagram of a computer motherboard provided in an embodiment of the present application;

[0031] Figure 2 It is a structural schematic diagram of a computer motherboard provided in an embodiment of the present application;

[0032] Figure 3 It is another structural schematic diagram of the computer motherboard provided in the embodiment of the present application. DETAILED DESCRIPTION

[0033] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0034] In order to enable those skilled in the art to better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present application.

[0035] In the embodiments of the present application, it should be noted that, in this article, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0036] Moreover, the terms "comprises", "comprising" or any other variation thereof are intended to cover non-exclusive inclusion, so that an article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such article or device. In the absence of more restrictions, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the article or device comprising the element.

[0037] In the description of the embodiments of the present application, words such as "example" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "example" or "for example" in the embodiments of the present application is not to be interpreted as being more preferred or having more advantages than another embodiment or design. The use of words such as "example" or "for example" is intended to present relative concepts in a clear manner.

[0038] In addition, the "plurality" in the embodiments of the present application refers to two or more than two. In view of this, in the embodiments of the present application, "plurality" can also be understood as "at least two". "At least one" can be understood as one or more, for example, one, two or more. For example, including at least one means including one, two or more, and there is no limit on which ones are included. For example, including at least one of A, B and C, then A, B, C, A and B, A and C, B and C, or A, B and C can be included.

[0039] It should be noted that in the embodiments of the present application, "connection" can be understood as electrical connection, and the connection between two electrical components can be a direct or indirect connection between the two electrical components. For example, the connection between A and B can be either a direct connection between A and B or an indirect connection between A and B through one or more other electrical components.

[0040] Before introducing the computer motherboard and electronic equipment of the present application, the relevant background information of the embodiments of the present application is first introduced.

[0041] In the industrial field, different industries often have different functions and requirements for computers. In order to avoid the motherboard performance not keeping up, most of the motherboard architectures of industrial computers in related technologies have functional redundancy and high power consumption, which not only causes cost waste, but also has poor cost performance. Of course, it cannot meet the current needs of low power consumption and high reliability.

[0042] Based on this, the embodiment of the present application provides a computer motherboard and an electronic device, which includes a motherboard main body and multiple external ports, allowing users to flexibly configure the external ports according to different application scenarios, thereby maximizing functions, reducing costs and power consumption, and having a wider range of applications; the system can be restored with one click through the restore function port in the external port, thereby improving the practicality and restoration efficiency of the computer motherboard; at the same time, the computer motherboard in the present application also has a USB self-recovery function and a CMOS information clearing function, thereby improving the reliability of the computer motherboard.

[0043] The computer motherboard and electronic equipment provided by this application are respectively introduced in detail below.

[0044] First, an embodiment of the present application provides a computer motherboard, which can be used in electronic devices, such as industrial control computers, industrial control displays, industrial control all-in-one machines, industrial tablet computers, and other electronic devices.

[0045] See also Figure 1 , Figure 1 1 is a schematic diagram of a module of a computer motherboard provided in an embodiment of the present application. The computer motherboard may include a motherboard body 110, a storage interface 120, a display port 130, a network communication interface 140, and a restore function port 150. The motherboard body 110 is provided with a plurality of interfaces corresponding to the storage interface 120, the display port 130, the network communication interface 140, and the restore function port 150. The motherboard body 110 may also be equipped with a firmware program and a platform path controller (Platform Controller Hub, PCH) chip (not shown in the figure).

[0046] The storage interface 120 is connected to the main board body 110 via a storage signal line, the display port 130 is connected to the main board body 110 based on a display driver unit, the network communication interface 140 is connected to the main board body 110 via a communication signal line, and the restore function port 150 is connected to the main board body 110 via a touch button.

[0047] The main board body 110 is also connected to the USB device through the power switch chip to realize self-recovery of the USB device based on the onboard firmware program (BasicIuput / Output System, BIOS); the main board body 110 is provided with a clear complementary metal oxide semiconductor (Complementary Metal Oxide Semiconductor, CMOS) information interface, namely CLCMOS, to restart the PCH chip when the PCH chip starts abnormally.

[0048] In the embodiment of the present application, the main board body 110 can be configured with multiple different types of interfaces, such as a USB 3.0 interface, a USB 2.0 interface, a high-speed serial computer expansion bus standard (Peripheral Component Interconnect Express, PCIE) interface, a general-purpose input / output port (General-purpose input / output, GPIO), etc., which can be specifically set according to the actual application scenario and are not limited here.

[0049] The computer motherboard includes external ports such as a storage interface 120, a display port 130, a network communication interface 140 and a restore function port 150. These external ports can be connected to the corresponding interfaces configured on the motherboard body 110 through corresponding data cables or unit modules. When external devices or modules are connected to these external ports, the external devices or modules can communicate with the computer, that is, exchange data, to achieve corresponding functions.

[0050] In the embodiment of the present application, the main board body 110 can be connected to the enable terminal EN of the power switch chip through the GPIO port to control the power switch chip. Specifically, the model of the power switch chip in the present embodiment can be TMI6263AH, and the enable terminal EN of the TMI6263AH chip is restarted by the firmware program BIOS, so that the USB device is powered on and reset to realize the USB self-recovery function.

[0051] CMOS is a readable and writable random access chip on the computer motherboard. It is used to save the current system hardware configuration, such as the information of the CPU, floppy disk drive, display, memory, keyboard and other components. It can also save user settings for certain parameters, such as system date, power-on password, etc.

[0052] If the computer's BIOS settings are wrong, or the computer has some inexplicable faults, you can discharge the CMOS first, clear the CMOS information and observe whether the computer returns to normal. Therefore, in the embodiment of the present application, the main board body 110 is provided with a CLCMOS interface, and when the PCH chip starts abnormally, the PCH chip can be restarted to quickly solve the startup problem.

[0053] In the embodiment of the present application, the computer motherboard includes a main body 110 and a variety of external ports such as a storage interface 120, a display port 130, a network communication interface 140 and a restore function port 150, so that users can flexibly configure the external ports according to different application scenarios, so as to maximize the functions, reduce costs and power consumption, and have a wider range of applications; the restore function port 150 in the external port can realize one-key restore of the system, which improves the practicality and restore efficiency of the computer motherboard; at the same time, the computer motherboard in the present application also has a USB self-recovery function and a CMOS information clearing function, which improves the reliability of the computer motherboard.

[0054] Next, continue to Figure 1 Each unit module shown and the specific implementation methods that may be used in practical applications are explained in detail.

[0055] In some embodiments of the present application, the main board body 110 may include a substrate and a central processing unit (CPU); the CPU may be integrated into the substrate; or the direct media interface (DMI) of the substrate may be connected to the DMI interface of the CPU via a communication bus to achieve communication connection between the substrate and the CPU.

[0056] Figure 2 The motherboard architecture shown is that the baseboard and the CPU are connected to each other based on the DMI communication bus. The CPU (intel LGA1700) can be detachably connected to the baseboard (intel H610) based on the DMI communication bus. At this time, the CPU (intel LGA1700) can use the I3, I5 or I7 model CPU of the RPL-S platform. Figure 3 The mainboard architecture shown is that the CPU is integrated into the baseboard. In this case, the CPU can adopt the onboard CPU of the RPL-U / H platform. The CPU in this embodiment can support DC-IN 24V power input.

[0057] Specifically, in this embodiment, the CPU can be selected from the CPU of the RPL-S / U / H platform, such as: i7-1355U, i5-1335U, i3-1315U, i5-12450H, i7-12650H, i5-13420H, i7-13620H, i3-12100, i5-12400, i7-12700, i3-13100, i5-13400, i7-13700, etc. It can be understood that the specific selection of the CPU can be determined according to the actual application scenario and requirements, and is not limited here.

[0058] Please continue reading Figure 2 and Figure 3In some embodiments of the present application, the storage interface 120 can be an M.22280 interface, which can be connected to the motherboard body 110 via a PCIE bus or a SATA3.0 signal line to achieve functional compatibility between M.22280SATA SSD and M.2 2280NVME X4 SSD.

[0059] In the embodiment of the present application, the storage interface 120 adopts an M.2 2280 interface, which is connected to the CPU through PCIE5.0 X4 or connected to the bridge chip through a SATA3.0 signal line (not shown in the figure), so that the functions of M.2 2280SATA SSD and M.22280NVME X4 SSD can be compatible.

[0060] In some embodiments of the present application, the direct digital access port (Digital Display Interface, DDI) of the main board body 110 can be connected to the display port 130 through a display driver unit, and the display driver unit can be used to convert the high-definition multimedia interface (High Definition Multimedia Interface, HDMI) signal from the display port 130 and the integrated graphics card output signal from the main board body 110 into each other.

[0061] In the embodiment of the present application, the display driver unit can select any existing display driver chip or display driver module, which can be determined according to the actual application scenario and is not limited here. As an example, the display driver unit in this embodiment adopts an HDMI Redriver chip with model number IT66318.

[0062] In the embodiment of the present application, the CPU integrated graphics card output is adopted, and the integrated graphics card output signal of the main body 110 is a video signal. After the video signal is input into the HDMI Redriver chip, the video signal is converted into an HDMI signal by the chip and output to the display port 130, i.e., the HDMI interface; similarly, the HDMI signal output from the display port 130 can also be converted into a video signal by the HDMI Redriver chip and input into the main body 110. In the present embodiment, the signal transmission of the display port 130 can reach the HDMI2.0 standard rate to realize the high-speed transmission of video data.

[0063] In some embodiments of the present application, the network communication interface 140 may include at least one of a local area network (LAN) port, an RS232 serial port, an RS485 serial port, a USB port, a wireless fidelity (WIFI) interface, a Bluetooth (BT) interface, a controller area network (CAN) interface, or a general-purpose input / output (GPIO) port.

[0064] Among them, the LAN network port is an RJ45 gigabit network port, the LAN network port is connected to a gigabit network card, and the gigabit network card is connected to the PCIE interface of the main board body 110 through a PCIE bus.

[0065] In an embodiment of the present application, the LAN network port may include 4 highly stable RJ45 gigabit network ports, each RJ45 gigabit network port can be connected to a corresponding gigabit network card via a medium dependent interface (MDI) cable, and the gigabit network card can adopt a highly stable network card of model WG1210-AT, which can be connected to the PCIE interface of the main board body 110 via a PCIE3.0X1 bus to realize the gigabit network port function and support network wake-up.

[0066] In addition, in addition to the aforementioned 4 RJ45 Gigabit Ethernet ports, in some other embodiments, the LAN port can also include 2 extended high-stability RJ45 Gigabit Ethernet ports to adapt to application scenarios that require more network ports.

[0067] The RS232 serial port and the RS485 serial port can be connected to the input and output chips respectively. In this embodiment, the input and output chip can adopt the super input and output chip SIO of model ITE8786. The super input and output chip SIO can be connected to the eSPI interface of the main board body 110 through the enhanced serial peripheral interface (eSPI) bus.

[0068] Specifically, the substrate of the main board body 110 may be equipped with a south bridge chip, namely a PCH chip, and the RS232 serial port and the RS485 serial port are respectively connected to the super input and output chip SIO, and the super input and output chip SIO and the PCH chip communicate based on the eSPI bus to realize the serial port function.

[0069] In the embodiment of the present application, the RS485 serial port can be implemented using an interface chip with model number UM3483EESA, and the RS232 serial port can be implemented using a level conversion chip with model number UM3222EEUE, and a digital isolation IC is used between the controller and the transceiver of the level conversion chip for isolation protection.

[0070] In some other application scenarios, the computer motherboard can be expanded to add 2 groups of RS232 serial ports and 4 groups of RS485 serial ports to adapt to application scenarios that require more serial ports.

[0071] The USB port can include 4 USB3.2 GEN1 interfaces. A group of native USB3.0 interfaces of the main board body 110 can be connected to 2 of the 4 USB3.2 GEN1 interfaces through USB3.0 signal lines. Another group of native USB3.0 interfaces of the main board body 110 can be connected to the other 2 of the 4 USB3.2 GEN1 interfaces after being expanded through a hub with model VL817, thereby realizing the function of 4 USB3.2 GEN1 interfaces of the coastline.

[0072] That is to say, one set of native USB3.0 interfaces of the PCH chip on the main board body 110, namely, two native USB3.0 interfaces, are led out through USB3.0 signal lines, and another set of USB3.0 interfaces of the PCH chip is extended through a hub model VL817 to lead out two USB3.0 signal lines, thereby realizing four USB3.2 GEN1 interfaces.

[0073] The WIFI interface can adopt an M.2 2230 interface, and the M.2 2230 interface can be connected to the PCIE interface of the main board body 110 through a PCIE signal line to realize the WIFI function; the BT interface, that is, the Bluetooth interface, can be connected to the USB2.0 interface of the main board body 110 through a USB2.0 signal line to realize the Bluetooth function.

[0074] The CAN interface can be connected to the USB2.0 interface of the main board body 110 through the board-to-board connector BTB CONN. The CAN interface can use Fintek's F81604 as a controller and F81251 as a transceiver. A digital isolation IC can also be used for isolation protection between the controller and the transceiver.

[0075] In some other application scenarios, two CAN interfaces can be added to the computer motherboard to adapt to application scenarios that require more CAN bus communications.

[0076] The GPIO port can be a 1x8bit GPIO, including 4 input ports and 4 output ports, which is implemented by the GPIO provided by Intel PCHH610 and can be isolated and protected by optocouplers.

[0077] In some embodiments of the present application, the restore function port can be connected to the GPIO port of the main board body 110 by a touch button. In the embodiment of the present application, a touch button is connected to the GPIO port of the CPU, and the OS recovery restore function is implemented through the BIOS code, and the position is located on the coastline, which can facilitate the user to operate this function, and the BIOS supports the setting of power supply and power off function under S5.

[0078] In some embodiments of the present application, the main board body 110 is also connected to an expansion interface unit, which may include an isolated digital input and output interface module (isolated DIO), and the isolated digital input and output interface module is configured with 8 input interfaces and 8 output interfaces.

[0079] In this embodiment, the isolated DIO module is configured with 16-bit GPIO, including 8 input interfaces and 8 output interfaces. The isolated DIO module can be implemented by providing GPIO by an MCU chip of model GD32F103RCT6, and can also be isolated and protected by optical coupling to improve device safety.

[0080] In some embodiments of the present application, the extended interface unit may further include a light source controller, which may be configured with four pulse-width modulation (PWM) signal output interfaces to perform light source control based on 4xPWM signals.

[0081] Specifically, the light source controller can output 4 10V PWM signals, and the frequencies and duty cycles of the 4 PWM signals can be adjusted separately, so that the 4 light sources can be controlled to output different lighting results at the same time.

[0082] In some embodiments of the present application, the memory interface of the mainboard body 110 may be connected to a memory connector that supports memory modules with a specification of DDR5.

[0083] In this embodiment, two memory connectors of model SO-DIMM1 DDR5-5600 are used to connect to two memory interfaces, namely DDR4 CHA and DDR4 CHB, on the motherboard body 110 respectively. The aforementioned memory connectors can realize the access of memory modules supporting DDR5.

[0084] In the embodiment of the present application, the main board body 110 can also be connected to the cooling fan interface SYS_FAN through the input and output chip SIO. At the same time, a SIO chip with model IT8786E-I-HX is used to detect the system status and monitor the system operation from the start. If the system is abnormal and the dog feeding action fails, the system can be restarted to ensure that the system starts and runs normally.

[0085] The computer motherboard in this embodiment can also support V2.0 Micro SD, support external hard triggering, the maximum current of each channel is 1A, and use the PSE chip model IP804A to provide a 4-port power supply device control IC, integrate the power supply, analog and logic circuits into a single chip, adopt terminal span application, meet all requirements of IEEE 802.3af design, and support a maximum power supply of 15.4W for each port.

[0086] It can be understood that the PSE chip is a programmable system-level chip, and its working principle is to control and manage various hardware interfaces and peripherals through programming. When the power load changes, along with the change in power load, the PSE chip will also adjust the corresponding power distribution to ensure the power balance between the components within the power system.

[0087] Based on the computer motherboard in the above embodiment, on the basis of the above embodiment, the embodiment of the present application also provides an electronic device, which may include a device body and a Figures 1 to 3 Corresponding to the computer motherboard in any embodiment.

[0088] The electronic device may be an industrial control computer, an industrial control display, an industrial control all-in-one machine, an industrial tablet computer or other electronic device.

[0089] Since the electronic device includes the present application Figures 1 to 3 Corresponding to the computer motherboard in any embodiment, therefore, the present application can be implemented as follows Figures 1 to 3 For all the beneficial effects that can be achieved by the computer motherboard in any embodiment, please refer to the previous description in detail and will not be repeated here.

[0090] The above are only preferred embodiments of the present application, and are not intended to limit the present application in any form. Although the present application has been disclosed as above with preferred embodiments, it is not intended to limit the present application. Any technical personnel in the field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present application. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present application without departing from the content of the technical solution of the present application are still within the scope of the technical solution of the present application.

Claims

1. A computer motherboard, characterized in that: The main body of the motherboard includes a main body, a storage interface, a display port, a network communication interface and a restore function port. The main body of the motherboard is provided with a plurality of interfaces respectively connected to the storage interface, the display port, the network communication interface and the restore function port. The main body of the motherboard is also equipped with a firmware program and a PCH chip. The storage interface is connected to the main board through a storage signal line, the display port is connected to the main board based on a display driver unit, the network communication interface is connected to the main board through a communication signal line, and the restore function port is connected to the main board through a touch button; The main board body is also connected to a USB device via a power switch chip to implement self-recovery of the USB device based on the firmware program; The mainboard body is provided with a CMOS information clearing interface so as to restart the PCH chip when the PCH chip starts abnormally.

2. The computer motherboard according to claim 1, characterized in that: The main body of the motherboard includes a substrate and a CPU; The CPU is integrated into the substrate; or, The DMI interface of the substrate is connected to the DMI interface of the CPU via a communication bus.

3. The computer motherboard according to claim 1, characterized in that: The storage interface is an M.2 2280 interface, and the storage interface is connected to the main board through a PCIE bus or a SATA3.0 signal line.

4. The computer motherboard according to claim 1, characterized in that: The DDI port of the main board body is connected to the display port through the display driving unit, and the display driving unit is used to convert the HDMI signal from the display port and the output signal of the integrated graphics card from the main board body into each other.

5. The computer motherboard according to claim 1, characterized in that: The network communication interface includes at least one of a LAN port, an RS232 serial port, an RS485 serial port, a USB port, a WIFI interface, a Bluetooth interface, a CAN interface or a GPIO port; The LAN network port is an RJ45 gigabit network port, the LAN network port is connected to a gigabit network card, and the gigabit network card is connected to the PCIE interface of the main board through a PCIE bus; The RS232 serial port and the RS485 serial port are respectively connected to an input / output chip, and the input / output chip is connected to an eSPI interface of the main board through an eSPI bus; The USB port includes 4 USB3.2 GEN1 interfaces, a group of native USB3.0 interfaces of the main body of the main board is connected to 2 of the 4 USB3.2 GEN1 interfaces through USB3.0 signal lines, and another group of native USB3.0 interfaces of the main body of the main board is connected to the other 2 of the 4 USB3.2 GEN1 interfaces after being extended through a hub; The WIFI interface adopts an M.2 2230 interface and is connected to the PCIE interface of the main board through a PCIE signal line; The Bluetooth interface is connected to the USB2.0 interface of the main board through a USB2.0 signal line; The CAN interface is connected to the USB2.0 interface of the main board body via a board-to-board connector; The GPIO port includes 4 input ports and 4 output ports.

6. The computer motherboard according to claim 1, characterized in that: The restore function port is connected to the GPIO port of the main board through the touch button.

7. The computer motherboard according to claim 1, characterized in that: The main board body is also connected to an expansion interface unit, which includes an isolated digital input-output interface module, and the isolated digital input-output interface module is configured with 8 input interfaces and 8 output interfaces.

8. The computer motherboard according to claim 7, characterized in that: The extended interface unit also includes a light source controller, and the light source controller is configured with four PWM signal output interfaces.

9. The computer motherboard according to claim 1, characterized in that: The memory interface of the main board body is connected to a memory connector, and the memory connector supports memory modules with a specification of DDR5.

10. An electronic device, characterized in that: It comprises a device body and a computer mainboard as described in any one of claims 1-9.

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