CN220509430U

CN220509430U - Mini-itx main board based on domestic megacore platform

Info

Publication number: CN220509430U
Application number: CN202322101638.1U
Authority: CN
Inventors: 王强
Original assignee: Changzhi Zhuoyi Hengtong Information Security Co ltd
Current assignee: Changzhi Zhuoyi Hengtong Information Security Co ltd
Priority date: 2023-08-04
Filing date: 2023-08-04
Publication date: 2024-02-20
Anticipated expiration: 2033-08-04

Abstract

The utility model relates to a mini-itx main board based on a domestic megacore platform. The mini-itx main board based on the domestic megacore platform comprises: the micro-itx mainboard comprises a mega core CPU arranged on the mainboard, and an SO-DIMM slot, an HDMI interface, a VGA interface, a display conversion chip, a crystal oscillator signal, an RTC signal, an SPI Flash ROM, a TCM/TPM2.0 security chip, a USB2.0 connector, a USB hub chip, a USB3.0 connector, an audio decoding chip, a buzzer, a PS/2 connector, a SATA connector, an M.2wifi interface, an M.2SSD interface, a PCIE-to-USB 3.0 chip, a network card and a Super I/O chip which are in communication connection with the mega core CPU. The mini-itx main board based on the domestic megacore platform is designed for the portable host, and simultaneously provides a large number of functional interfaces, so that various requirements of different clients can be met.

Description

Mini-itx main board based on domestic megacore platform

Technical Field

The utility model relates to the technical field of computers, in particular to a mini-itx main board based on a domestic mega-core platform.

Background

The domestic and domestic megacore platform provides an efficient, compatible and safe autonomous universal processor chip solution for users, and supports construction of various computing platform products including desktop PCs, workstations, servers, industrial boards, industrial complete machines, box PCs, modularized computers, network security platforms, industrial-grade servers and the like with various specifications.

The motherboard is a core component of the computer and is responsible for connecting and managing the various hardware parts of the computer. The motherboard is generally a rectangular circuit board on which the circuitry, modules, components, and connectors that make up the computer are integrated. The system is generally provided with a CPU, a display card, a main chip, a power management chip, an I/O chip, an audio decoding chip and other chips and corresponding circuits; there are USB, HDMI, RJ, PCIE, memory slot, m.2, minicie, chassis panel, audio, fan control, ATX power, etc. interfaces. In the current market, the common forms of computer mainboards are mainly divided into: ATX (Standard), micro-ATX (compact), mini-itx (Mini).

The mini-itx main board is commonly called as a mini main board, the structure is square, the size is 17x 17cm, the main board is smaller, and the mini-itx main board is suitable for being used by smaller mini-small-case computers. Along with the promotion of localization, the intelligent and convenient implementation is imperative. The demand for domestic mini-itx hosts is increasing.

However, the domestic mini-itx mainboards on the market are few at present, and the problems of poor performance and weak design aiming at the portability of the host exist.

Disclosure of Invention

Therefore, the utility model aims to provide a minitx mainboard based on a domestic mega-core platform, which is designed for portable models and provides rich functional interfaces.

In order to achieve the above object, the present utility model provides a mini-itx motherboard based on a domestic mega-core platform, including: the micro-itx mainboard comprises a mega core CPU arranged on the mainboard, and an SO-DIMM slot, an HDMI interface, a VGA interface, a display conversion chip, a crystal oscillator signal, an RTC signal, an SPI Flash ROM, a TCM/TPM2.0 security chip, a USB2.0 connector, a USB hub chip, a USB3.0 connector, an audio decoding chip, a buzzer, a PS/2 connector, a SATA connector, an M.2wifi interface, an M.2SSD interface, a PCIE-to-USB 3.0 chip, a network card and a Super I/O chip which are in communication connection with the mega core CPU.

Wherein, the megacore CPU is KX-U6780A, KX6580 or KX-6640MA.

Wherein, the display conversion chip is CH7513A.

Wherein the USB hub chip is FE1.1S.

Wherein the audio decoding chip is SN6140.

The PCIE to USB3.0 chip is VL805.

Wherein, the network card is RTL8111H.

Wherein the Super I/O chip is IT8786.

Wherein the Super I/O chip is in communication connection with a 20-pin connector via a level shifting chip.

Wherein, the level shift chip is WS3243.

In summary, the mini-itx main board based on the domestic mega-core platform is designed for the portable host, and simultaneously provides a large number of functional interfaces, so that various requirements of different clients can be met.

Drawings

The technical solution and other advantageous effects of the present utility model will be made apparent by the following detailed description of the specific embodiments of the present utility model with reference to the accompanying drawings.

In the drawings of which there are shown,

FIG. 1 is a circuit block diagram of a minimix motherboard based on a homemade mega-core platform according to a preferred embodiment of the present utility model;

fig. 2 is a schematic layout diagram of a minimix motherboard based on a domestic mega-chip platform according to a preferred embodiment of the present utility model.

Detailed Description

Referring to fig. 1, a circuit block diagram of a minimix motherboard based on a domestic mega-core platform according to a preferred embodiment of the present utility model is shown. The mini-itx main board based on the domestic megacore platform mainly comprises: the system comprises a mini-itx main board, a mega core CPU arranged on the main board, a system applicable to kylin and system information windows, and an SO-DIMM slot in communication connection with the mega core CPU to establish a double-memory card slot, an HDMI interface, a VGA interface to support VGA, a display conversion chip, a crystal oscillator signal, an RTC signal, an SPI Flash ROM, a TCM/TPM2.0 security chip, a USB2.0 connector, a USB hub chip, a USB3.0 connector, an audio decoding chip, a buzzer, a PS/2 connector, a SATA connector to support SATA, an M.2wifi interface to support wifi, an M.2SSD interface to support NVME hard disk, a PCIE to USB3.0 chip, a network card to support double gigabit SSD, and a Super I/O chip.

In the preferred embodiment, the megacore CPU can be KX-U6780A, KX6580 or KX-6640MA, preferably KX-U6780A, and is externally connected with two SO-DIMM slots, and the logic circuit performs time sequence control; the display conversion chip is CH7513A, the CPU is externally connected with the CH7513A chip to convert the DP into LVDS, and for the form of the integrated machine, LVDS and key backlight control are supported; the crystal oscillator signal can be 27MHz, and the RTC signal can be 32.788KHz; the USB hub chip can be FE1.1S, the FE1.1S chip is USB2.0HUB to convert two USB2.0, and the CPU directly converts two USB3.0; the audio decoding chip can be an SN6140, and the SN6140 chip realizes the functions of microphone and recording; the PCIE to USB3.0 chip may be VL805, and a PCIE to 4 USB3.0 interface is made through the VL805 chip; the network card can be RTL8111H, and the network port function is realized through two RTL8111H network cards; the Super I/O chip can be IT8786, 6 serial ports and parallel ports are realized through the IT8786 chip, the fan control function is realized, the Super I/O chip is also in communication connection with a 20-pin connector through a level conversion chip, and the level conversion chip can be WS3243.

In the preferred embodiment, the WIFI/SATA/NVME SSD/PS2 interfaces can be directly output by the CPU, 6 USB3.0 interfaces and 4 USB2.0 interfaces are established on the main board; the main board supports network starting while supporting network awakening, supports 6 serial ports, supports multiple levels of 12v, 5v and the like, and externally leaves 8 GPIOs; the system supports TCM, S3/S4, supports RTC wake-up, provides a large number of functional interfaces, USB3.0, LPT, earphone, microphone, VGA, hdmi, serial port, SATA, LVDS, GPIO and the like while designing the portable host, can meet various requirements of different clients, and can support thin client and all-in-one machines in the form when different interface resources are selected and matched.

Referring to fig. 2, a schematic layout of a minitx motherboard based on a homemade mega-core platform according to the preferred embodiment of the present utility model is shown, illustrating the layout of the components on the top surface of the motherboard. On this mini-itx motherboard, a megacore CPU 1 is provided near the lower middle edge, a CPU fan connector 2, a gpu fan connector 3, a boost panel connector 4, an lvds connector 5, a speaker connector 6, a backlight connector 7, a DDR4 connector 8, a gpio connector 9, a USB2.0 connector 10, a front panel connector 11, a DC power connector 12, a 4-pin power connector 13, an elevated VGA/HDMI interface 14, an rj45 interface 15, a dual-layer USB2.0 interface 16, a dual-layer USB3.0 interface 17, a USB3.0 and PS/2 interface 18 are provided near the upper middle edge of the motherboard, a SATA power connector 19, a SATA power connector 20, an rtc battery 21, a lpt connector 23, a com connector 24 are provided near the upper right edge of the motherboard, a SSD connector 25, a wifi power connector 26, a SATA power connector 27, a SATA connector 28, a system fan connector 29, a USB3.0 interface 31 are provided. Through the layout, a large number of functional interfaces are provided while the portable host is designed, USB3.0, LPT, earphone, microphone, VGA, hdmi, serial port, SATA, LVDS, GPIO and the like can meet various requirements of different clients, and the form can support the thin client and the integrated machine when different interface resources are selected and matched.

In summary, the mini-itx main board based on the domestic megacore platform is designed for the portable host and provides a large number of functional interfaces, so that various requirements of different clients can be met; when different interface resources are selected, the form can support the thin client and the integrated machine.

In the above, it is obvious to those skilled in the art that various other corresponding changes and modifications can be made according to the technical scheme and the technical idea of the present utility model, and all such changes and modifications are intended to fall within the scope of the appended claims.

Claims

1. The mini-itx main board based on the domestic megacore platform is characterized by comprising: the micro-itx mainboard comprises a mega core CPU arranged on the mainboard, and an SO-DIMM slot, an HDMI interface, a VGA interface, a display conversion chip, a crystal oscillator signal, an RTC signal, an SPI Flash ROM, a TCM/TPM2.0 security chip, a USB2.0 connector, a USB hub chip, a USB3.0 connector, an audio decoding chip, a buzzer, a PS/2 connector, a SATA connector, an M.2wifi interface, an M.2SSD interface, a PCIE-to-USB 3.0 chip, a network card and a Super I/O chip which are in communication connection with the mega core CPU.

2. The home-made mega-core platform based mini-ittx motherboard as in claim 1, wherein said mega-core CPU is KX-U6780A, KX6580, or KX-6640MA.

3. The mini-itx motherboard based on a homemade mega-core platform as in claim 1, wherein said display conversion chip is CH7513A.

4. The home-made mega-core platform based mini-itx motherboard as in claim 1, wherein said USB hub chip is FE1.1S.

5. The mini-itx motherboard based on a homemade mega-core platform as in claim 1, wherein the audio decoding chip is SN6140.

6. The mini-itx motherboard based on a homemade mega-core platform as in claim 1, wherein the PCIE to USB3.0 chip is VL805.

7. The mini-itx motherboard based on a homemade mega-core platform as in claim 1, wherein said network card is RTL8111H.

8. The home-made mega-core platform based mini-ittx motherboard as in claim 1, wherein said Super I/O chip is IT8786.

9. The home-made mega-core platform based mini-ittx motherboard as in claim 1, wherein said Super I/O chip is communicatively connected to a 20 pin connector via a level shifter chip.

10. The mini-itx motherboard of claim 9, wherein the level shifter chip is WS3243.