A computer motherboard with a domestic processor based on a core board loading board
By adopting the domestic processor computer motherboard in the form of a core board loading board, using the Loongson 3A3000 processor and 7A1000 bridge architecture, combined with the data communication of the MXM reinforced connector, the problems of high computer development costs and weak interface expansion capabilities of the domestic processor platform are solved, and flexible upgrades and expansions are achieved, meeting various application needs, and improving the heat dissipation effect.
Patent Information
- Application Number
- CN202421138761.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-05-23
AI Technical Summary
The computer development cost of domestic processor platforms is high, the customization is serious, and the interface expansion capability is weak, making it difficult to meet various needs such as commercial office and industrial control.
The domestic processor computer motherboard adopts the core board loading board. The core board adopts the Loongson 3A3000 processor and 7A1000 bridge architecture. The carrier board is used for expansion interfaces and power supply, and data communication is carried out through the MXM reinforced connector.
It realizes flexible upgrades and interface expansion of the computer core processor, reduces development costs, meets various needs such as commercial office and industrial control, and improves the computer's heat dissipation effect through conduction and air-cooling.
Smart Images

Figure CN222748924U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of computer mainboards, and in particular relates to a domestic processor computer mainboard based on a core board loading board form. Background Art
[0002] In recent years, computers based on domestic processor platforms such as Loongson are developing and applying rapidly, and the requirements for the localization rate are gradually increasing. The problems that come with it are high computer development costs, serious customization, and weak interface expansion capabilities. In response to the above problems, a domestic processor computer motherboard based on the form of a core board loading board is invented. The computer motherboard adopts the form of a core board loading board. The core board adopts the architecture of the Loongson 3A3000 processor and the 7A1000 bridge chip. The carrier board is used to expand the interface and power supply. The MXM reinforced connector is used between the core board and the carrier board for data communication. The computer can adapt to different application scenarios, and the computer can be upgraded and the interface expanded at any time by upgrading the core board or replacing the carrier board. It is more flexible and universal, with higher economic value and a wider range of application scenarios. It can better meet the needs of commercial office and industrial control and other fields. Utility Model Content
[0003] The utility model aims to provide a domestic processor computer mainboard based on the form of a core board loading board.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a computer motherboard of a domestic processor in the form of a core board loading board, comprising a fan embedded in a radiator, the radiator being attached to the front of the core board, the core board being fixed on a carrier board, and the carrier board being fixed to a chassis;
[0005] The ATX connector supplies power to the carrier board; the carrier board supplies power to the core board and performs various interface communications through the MXM reinforced connector, the MXM reinforced connector includes an MXM reinforced connector head and an MXM reinforced connector seat, the carrier board is equipped with the MXM reinforced connector head, and the core board is equipped with the MXM reinforced connector seat.
[0006] The carrier board provides 2 PCIE X4 interfaces, MAC and audio input and output interfaces, 2 Gigabit Ethernet interfaces, 4 USB2.0 interfaces, 1 DVI-I interface, 3 RS232 serial ports, and 2 SATA2.0 interfaces; the carrier board is equipped with an RTC battery holder to power the processor RTC module.
[0007] The processor of the core board is Loongson 3A3000, the bridge chip is Loongson 7A1000, it provides 8GB of memory, and the memory particle is SM41J256M16M. The MXM machine lead-out interface and signal definition are in custom form, providing 4 USB2.0, 2 RGMII interfaces, 1 LPC, 2 SATA2.0, 2 UART serial ports, 1 SPI interface, 4 GPIO, 1 VGA, 1 DVO interface, and 2 PCIE X4 interfaces. The interface pins are all brought out through the MXM reinforced connector.
[0008] The carrier board provides 4 USB2.0 interfaces, 2 Gigabit Ethernet interfaces, MAC and audio input and output interfaces, 1 DVI-I interface, 2 PCIE X4 interfaces, 3 RS232 serial ports, and 2 SATA2.0 interfaces by converting the signals of the interface led out by the core board MXM reinforced connector.
[0009] The 3-way RS232 serial port is located above the DVI-I interface, the 4-way USB2.0 interface, the 2-way Gigabit Ethernet interface, and the MAC and audio input and output interfaces are arranged from left to right in a row and are located on the front side of the carrier board; the 2-way PCIE X4 interface and the 2-way SATA2.0 interface are adjacent and located on the right rear side of the carrier board, and the ATX power supply interface is located on the left rear side of the carrier board.
[0010] The DVI-I display interface of the carrier board has the ability to display DVI and VGA images simultaneously.
[0011] Furthermore, the core board is fixed to the carrier board through 5 core board fixing screw holes; the carrier board is fixed to the chassis through 4 carrier board fixing screw holes; the radiator is fixed to the core board through a radiator fixing screw hole at each of the four corners.
[0012] Furthermore, the MXM reinforced connector communicates with the core board mainboard, and the MXM reinforced connector is selected from the inter-board connector series CTOLC / CSOLC, with a plug-in height of 10 mm.
[0013] Furthermore, the core board has a size of 125mm x 95mm, the carrier board has a size of 170mm x 170mm, and the radiator has a size of 125mm x 95mm; the core board fixing hole has a size of 2.7mm, and the carrier board fixing hole has a size of 4.5mm.
[0014] Compared with the prior art, the beneficial effects of the present invention are: (1) The core board loading board form of the present invention can more flexibly realize the upgrade of the computer core processor and the interface expansion, thereby reducing the later development cost; (2) The interface expansion of the present invention is rich and flexible, which can meet the various needs of the commercial and office fields; (3) The heat dissipation method of the present invention, which is conduction plus air cooling, is more conducive to the heat dissipation of the computer.
[0015] In order to more clearly illustrate the functional characteristics and structural parameters of the utility model, further description is given below in conjunction with the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:
[0017] Figure 1 This is a front view of the radiator and fan of the utility model;
[0018] Figure 2 It is a front view of the carrier plate of the utility model;
[0019] The reference numerals in the figure are: 1. radiator; 2. fan; 3. carrier board; 4. core board; 5. 2-way PCIE X4 interface; 6. MAC and audio input and output interface; 7. 2-way Gigabit Ethernet interface; 8. 4-way USB2.0 interface; 9. 1-way DVI-I interface; 10. 3-way RS232 serial port; 11. core board fixing screw hole; 12. RTC battery holder; 13. 2-way SATA2.0 interface; 14. MXM reinforced connector; 15. carrier board fixing screw hole; 16. ATX power supply interface; 17. Loongson 3A3000 processor; 18. Loongson 7A1000 bridge chip; 19. radiator fixing screw hole. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0021] Combination Figure 1 and Figure 2The present application discloses a computer motherboard in the form of a core board loading board, comprising a radiator (1), a fan (2), a carrier board (3), and a core board (4), wherein the fan (2) is embedded in the radiator (1), the radiator (1) is attached to the front of the core board (4), the core board (4) is fixed to the carrier board (3) through five core board fixing screw holes (11), and the carrier board (3) can be fixed to the chassis through four carrier board fixing screw holes (15); the radiator (1) is fixed to the core board (4) through four corners, each with a radiator fixing screw hole (19). The carrier board has a mounting base corresponding to the position of the core board fixing screw hole (11) for screw fixing. The carrier board (3) supplies power to the core board (4) and performs various interface communications via an MXM reinforced connector (14); the MXM reinforced connector (14) comprises an MXM reinforced connector head and an MXM reinforced connector seat; the carrier board (3) carries the MXM reinforced connector head, and the core board (4) carries the MXM reinforced connector seat.
[0022] The computer motherboard adopts a Loongson 3A3000 processor (17) and a Loongson 7A1000 bridge chip (18); the carrier board provides 2 PCIE X4 interfaces (5), 1 MAC and audio input and output interface (6), 2 Gigabit Ethernet interfaces (7), 4 USB2.0 interfaces (8), 1 DVI-I interface (9), 3 RS232 serial ports (10), and 2 SATA2.0 interfaces (13), which can be used for expanding hard disk storage and starting the operating system; the carrier board is equipped with an RTC battery holder (15), which can supply power to the processor RTC module; the ATX power supply interface (16) supplies power to the carrier board (3), so that the ATX power supply can supply power to the entire computer.
[0023] The three RS232 serial ports (10) are located above the one DVI-I port (9); the four USB2.0 ports (8), the two Ethernet ports (7) and the MAC and audio input and output ports (6) are arranged in a row from left to right and are all located on the front side of the carrier board (3); the two PCIE X4 ports (5) and the two SATA2.0 ports (13) are adjacent and located on the right rear side of the carrier board (3); and the ATX power supply port (16) is located on the left rear side of the carrier board (3).
[0024] The interfaces led out of the carrier board (3) are all converted from the interfaces of the core board MXM reinforced connector (14) or directly led out. The 1-way DVI-I interface (9) is converted from the DVO interface on the MXM reinforced connector (14). The MAC and audio input and output interfaces (6) are extended from the audio signal of the MXM reinforced connector (14) to the sound card. The 2-way Gigabit Ethernet interface (7) is extended from the network PHY of the two RGMII interfaces in the MXM reinforced connector (14). The remaining 4-way USB2.0 interface (8), 2-way SATA2.0 interface (13), and 2-way PCIE X4 interface (5) are directly led out to the carrier board from the MXM connector (14). The signal definition of the 1-way DVI-I interface (9) is compatible with DVI and VGA, and can provide two display interfaces, DVI and VGA, at the same time. The 2-way PCIE X4 interface (5) can be configured as two-way X4, or one-way X4 and four-way X1.
[0025] The core board (4) is fixed to the carrier board (3) via five core board fixing screw holes (11), and the carrier board (3) is fixed to the chassis via four carrier board fixing screw holes (15).
[0026] The MXM reinforced connector (14) communicates with the mainboard of the core board (4), and the MXM reinforced connector (14) is selected from the inter-board connector series CTOLC / CSOLC, with a plug-in height of 10 mm.
[0027] The core board (4) has a size of 125mm x 95mm, the carrier board has a size of 170mm x 170mm, and the radiator has a size of 125mm x 95mm; the core board fixing hole has a size of 2.7mm, and the carrier board fixing hole has a size of 4.5mm.
[0028] The entire computer is powered by the ATX power supply interface (16) on the carrier board, which can provide the +5V, 3.3V and +12V power supplies required by the computer. The core board is powered by a single 5V power supply, which is the +12V of the carrier board through voltage conversion. The power consumption of the entire computer is about 40W.
[0029] The computer processor is 3A3000 from Loongson, with a main frequency of 1.2GHz; the bridge chip is 7A1000 from Loongson; the memory and video memory particles are DDR3 SM41J256M16M, with a memory size of 8GB and a video memory of 512MB. At the same time, the voltage and temperature monitoring functions can be realized.
[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A domestic processor computer motherboard based on the core board loading board form, characterized in that, The fan (2) is embedded and installed in a radiator (1), the radiator (1) is attached to the front of a core board (4), the core board (4) is fixed on a carrier board (3), and the carrier board (3) is fixed to a chassis; The ATX power supply interface (16) supplies power to the carrier board (3); the carrier board (3) supplies power to the core board (4) and performs various interface communications via an MXM reinforced connector (14); the MXM reinforced connector (14) comprises an MXM reinforced connector head and an MXM reinforced connector seat; the carrier board (3) carries the MXM reinforced connector head, and the core board (4) carries the MXM reinforced connector seat.
2. A domestic processor computer motherboard based on the core board loading board form according to claim 1, characterized in that: The carrier board (3) provides 2 PCIE X4 interfaces (5), MAC and audio input and output interfaces (6), 2 Gigabit Ethernet interfaces (7), 4 USB2.0 interfaces (8), 1 DVI-I interface (9), 3 RS232 serial ports (10), and 2 SATA2.0 interfaces (13); the carrier board (3) is equipped with an RTC battery holder (12) to supply power to the processor RTC module.
3. A domestic processor computer motherboard based on the core board loading board form according to claim 2, characterized in that: The processor of the core board (4) is Loongson 3A3000, the bridge chip is Loongson 7A1000, 8 GB memory is provided, and the memory particle model is SM41J256M16M. The MXM machine lead-out interface and signal definition are in a custom form, providing 4 USB2.0, 2 RGMII interfaces, 1 LPC, 2 SATA2.0, 2 UART serial ports, 1 SPI interface, 4 GPIO, 1 VGA, 1 DVO interface, and 2 PCIE X4 interfaces, and the interface pins are all led out through the MXM reinforced connector (14).
4. A domestic processor computer motherboard based on the core board loading board form according to claim 3, characterized in that: The carrier board (3) provides 4-way USB2.0 interfaces (8), 2-way Gigabit Ethernet interfaces (7), MAC and audio input and output interfaces (6), 1-way DVI-I interface (9), 2-way PCIE X4 interfaces (5), 3-way RS232 serial ports (10), and 2-way SATA2.0 interfaces (13) by converting the signals of the interfaces led out of the core board MXM reinforcement connector (14).
5. A domestic processor computer motherboard based on the core board loading board form according to claim 4, characterized in that: The three RS232 serial ports (10) are located above the DVI-I port (9); the four USB2.0 ports (8), the two Gigabit Ethernet ports (7) and the MAC and audio input and output ports (6) are arranged in a row from left to right and are located on the front side of the carrier board (3); the two PCIE X4 ports (5) and the two SATA2.0 ports (13) are adjacent and located on the right rear side of the carrier board (3); and the ATX power supply port (16) is located on the left rear side of the carrier board (3).
6. A domestic processor computer motherboard based on the core board loading board form according to claim 5, characterized in that: The DVI-I display interface of the carrier board (3) has the ability to display DVI and VGA images simultaneously.
7. A domestic processor computer motherboard based on a core board loading board according to claim 6, characterized in that: The core board (4) is fixed to the carrier board (3) via five core board fixing screw holes (11); the carrier board (3) is fixed to the chassis via four carrier board fixing screw holes (15); and the radiator (1) is fixed to the core board (4) via a radiator fixing screw hole (19) at each of the four corners.
8. A domestic processor computer motherboard based on a core board loading board according to claim 7, characterized in that: The MXM reinforced connector (14) communicates with the mainboard of the core board (4), and the MXM reinforced connector (14) is selected from the inter-board connector series CTOLC / CSOLC, with a plug-in height of 10 mm.
9. A domestically produced processor computer motherboard based on a core board loading board according to claim 8, characterized in that: The core board (4) has a size of 125mm x 95mm, the carrier board has a size of 170mm x 170mm, and the radiator has a size of 125mm x 95mm; the core board fixing hole has a size of 2.7mm, and the carrier board fixing hole has a size of 4.5mm.