Four-optical-port computer mainboard
Through SerDes transmission technology, optical port transmission is realized on the computer motherboard, which solves the problems of large size and high cost caused by optical modules, and provides a low-cost miniaturized four-optical port computer motherboard.
Patent Information
- Application Number
- CN202422275706.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-18
AI Technical Summary
In the prior art, optical port transmission of computer motherboards requires optical modules, which leads to large size and high cost.
Using SerDes transmission technology, parallel data is serialized into high-speed serial data streams, and recombined into parallel data at the receiving end, and connected to optical connectors through physical layer chips to realize optical port transmission and avoid the use of optical modules.
It realizes that the low-cost and small-sized four-port computer motherboard can realize optical port transmission without using optical modules.
Smart Images

Figure CN223123417U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of computer technology. Specifically, the utility model relates to a computer motherboard with four optical ports. Background Art
[0002] The network cards in computer motherboards are generally single, dual, quad electrical ports or single, dual, quad optical ports. At present, the optical ports output by computers on the market are mainly converted into electrical signals through optical modules. The optical module is an important part of optical fiber communication and is an optoelectronic device that realizes the optoelectronic conversion and electro-optic conversion in the process of optical signal transmission.
[0003] A kind of optical module is disclosed in the patent CN113364522B. The technology disclosed in this patent and the prior art both use optical modules to achieve optical port transmission. However, the optical module not only has a large volume, but also has a high cost for using the optical module to achieve optical port transmission. Summary of the Utility Model
[0004] The technical problem to be solved by the utility model is to provide a computer motherboard with four optical ports aiming at the deficiencies of the prior art, so as to achieve the purpose of realizing optical port transmission without using optical modules.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0006] The utility model provides a computer motherboard with four optical ports, including a central processing unit (CPU), a network card, a first physical layer chip, a second physical layer chip, a third physical layer chip and a fourth physical layer chip. Among them, one group of buses of the central processing unit (CPU) is connected to the input end of the network card; the output end of the network card is respectively connected to the input ends of the first physical layer chip, the second physical layer chip, the third physical layer chip and the fourth physical layer chip; the output ends of the first physical layer chip, the second physical layer chip, the third physical layer chip and the fourth physical layer chip are respectively connected to the input ends of the optical connector.
[0007] Further, the output end of the first physical layer chip is connected to the input end of the optical connector through a first SerDes; the output end of the second physical layer chip is connected to the input end of the optical connector through a second SerDes; the output end of the third physical layer chip is connected to the input end of the optical connector through a third SerDes; the output end of the fourth physical layer chip is connected to the input end of the optical connector through a fourth SerDes.
[0008] The aforementioned SerDes is the abbreviation of serializer and deserializer, and the SerDes transmission technology (high-speed serial data transmission technology) based on SerDes is a technology used to serialize parallel data sequences into high-speed serial data streams and then recombine them into the original parallel data at the receiving end.
[0009] Furthermore, the first physical layer chip, the second physical layer chip, the third physical layer chip, and the fourth physical layer chip each output one optical port.
[0010] Furthermore, the central processing unit (CPU) uses a Loongson 2K1000 chip.
[0011] Furthermore, the network card uses a WX1680 chip.
[0012] Furthermore, the first physical layer chip, the second physical layer chip, the third physical layer chip, and the fourth physical layer chip all use YT8521 chips.
[0013] The four-optical-port computer motherboard of the present utility model has the following advantages:
[0014] (1) Instead of using a high-cost optical module to achieve optical port transmission, the present utility model uses the SerDes transmission technology (high-speed serial data transmission technology) to achieve optical port transmission, with low cost and small volume.
[0015] (2) The four-optical-port computer motherboard of the present utility model can achieve optical port transmission without using an optical module.
[0016] (3) Through the technical solution of the present utility model, a computer can be made to output four optical ports. Description of the Drawings
[0017] This specification includes the following drawings, and the shown contents are respectively:
[0018] Figure 1 is the logical structure block diagram of a four-optical-port computer motherboard of the present utility model;
[0019] Figure 2 is the hardware structure diagram of a four-optical-port computer motherboard of the present utility model.
[0020] Description of the reference numerals: 1. Central processing unit (CPU); 2. Network card; 3. First physical layer chip; 4. Second physical layer chip; 5. Third physical layer chip; 6. Fourth physical layer chip; 10. Loongson 2K1000 chip; 11. WX1860 chip; 12. First YT8521 chip; 13. Second YT8521 chip; 14. Third YT8521 chip; 15. Fourth YT8521 chip. Detailed Embodiments
[0021] The following further details the specific embodiments of the present utility model by describing the embodiments with reference to the drawings, aiming to help those skilled in the art have a more complete, accurate, and in-depth understanding of the concept and technical solution of the present utility model and facilitate its implementation.
[0022] Figure 1 It is a logic structure block diagram of a four - optical - port computer motherboard of the present utility model, including a central processing unit (CPU) 1, a network card 2, a first physical layer chip 3, a second physical layer chip 4, a third physical layer chip 5 and a fourth physical layer chip 6. Among them, one group of buses of the central processing unit (CPU) 1 is connected to the input end of the network card 2; the output end of the network card 2 is respectively connected to the input ends of the first physical layer chip 3, the second physical layer chip 4, the third physical layer chip 5 and the fourth physical layer chip 6; the output ends of the first physical layer chip 3, the second physical layer chip 4, the third physical layer chip 5 and the fourth physical layer chip 6 are respectively connected to the input ends of the optical connectors. Among them, the output end of the first physical layer chip 3 is connected to the input end of the optical connector through a first SerDes; the output end of the second physical layer chip 4 is connected to the input end of the optical connector through a second SerDes; the output end of the third physical layer chip 5 is connected to the input end of the optical connector through a third SerDes; the output end of the fourth physical layer chip 6 is connected to the input end of the optical connector through a fourth SerDes. The first physical layer chip 3, the second physical layer chip 4, the third physical layer chip 5 and the fourth physical layer chip 6 respectively output one optical port, and a total of four optical ports are output. In addition, the optical connector in the present utility model is an existing device; SerDes in the foregoing first SerDes, second SerDes, third SerDes and fourth SerDes is an abbreviation of serializer and deserializer, and the SerDes transmission technology (high - speed serial data transmission technology) based on SerDes is a technology for serializing parallel data into a high - speed serial data stream and then recombining it into the original parallel data at the receiving end.
[0023] Figure 2 It is a hardware structure diagram of a four - optical - port computer motherboard of the present utility model. Figure 2As can be seen, the central processing unit (CPU) 1 of a four-light-port computer motherboard of the present utility model uses a Loongson 2K1000 chip 10; the network card 2 uses a WX1680 chip 11; the first physical layer chip 3, the second physical layer chip 4, the third physical layer chip 5, and the fourth physical layer chip 6 all use YT8521 chips. Hereinafter, the YT8521 chips respectively used by the first physical layer chip 3, the second physical layer chip 4, the third physical layer chip 5, and the fourth physical layer chip 6 are correspondingly referred to as the first YT8521 chip 12, the second YT8521 chip 13, the third YT8521 chip 14, and the fourth YT8521 chip 15. Among them, two groups of PCIE x4 buses are integrated inside the Loongson 2K1000 chip 10, and one of the groups of PCIE x4 buses is connected to the input end of the WX1680 chip 11. The four RGMII output ports of the WX1680 chip 11 are respectively connected to the input ends of the first YT8521 chip 12, the second YT8521 chip 13, the third YT8521 chip 14, and the fourth YT8521 chip 15. The output ends of the first YT8521 chip 12, the second YT8521 chip 13, the third YT8521 chip 14, and the fourth YT8521 chip 15 are respectively connected to the input ends of the optical connectors. Specifically, by Figure 2 As can be seen, the output end of the first YT8521 chip 12 is connected to the input end of the optical connector through the first SerDes, the output end of the second YT8521 chip 13 is connected to the input end of the optical connector through the second SerDes, the output end of the third YT8521 chip 14 is connected to the input end of the optical connector through the third SerDes, and the output end of the fourth YT8521 chip 15 is connected to the input end of the optical connector through the fourth SerDes. In addition, the Loongson 2K1000 chip 10, the WX1680 chip 11, the first YT8521 chip 12, the second YT8521 chip 13, the third YT8521 chip 14, and the fourth YT8521 chip 15 are all domestically developed and self-researched chips.
[0024] Through the technical solution of the present utility model, it can be achieved that the four-light-port computer motherboard of the present utility model can achieve the purpose of optical port transmission without using an optical module, and the cost is low.
[0025] The above has made an exemplary description of the present utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the present utility model is not limited by the above methods. As long as various non-substantive improvements are made by adopting the method concept and technical solution of the present utility model; or without improvement, the above concept and technical solution of the present utility model are directly applied to other occasions, they are all within the protection scope of the present utility model.
Claims
1. A computer motherboard with four optical ports, characterized in that: It includes a central processing unit (CPU), a network card, a first physical layer chip, a second physical layer chip, a third physical layer chip and a fourth physical layer chip. One group of buses of the central processing unit (CPU) is connected to the input end of the network card; the output end of the network card is respectively connected to the input ends of the first physical layer chip, the second physical layer chip, the third physical layer chip and the fourth physical layer chip; the output ends of the first physical layer chip, the second physical layer chip, the third physical layer chip and the fourth physical layer chip are respectively connected to the input ends of optical connectors.
2. The four optical port computer motherboard according to claim 1, wherein: The output end of the first physical layer chip is connected to the input end of the optical connector through a first SerDes; the output end of the second physical layer chip is connected to the input end of the optical connector through a second SerDes; the output end of the third physical layer chip is connected to the input end of the optical connector through a third SerDes; the output end of the fourth physical layer chip is connected to the input end of the optical connector through a fourth SerDes.
3. A four-SFP computer motherboard according to claim 1, characterized in that: The first physical layer chip, the second physical layer chip, the third physical layer chip and the fourth physical layer chip respectively output one optical port.
4. A four-SFP computer motherboard according to claim 1, characterized in that: The central processing unit (CPU) uses a Loongson 2K1000 chip.
5. A four-light-port computer motherboard as claimed in claim 1, wherein: The network card uses a WX1680 chip.
6. The four optical port computer motherboard according to claim 1, characterized in that: The first physical layer chip, the second physical layer chip, the third physical layer chip and the fourth physical layer chip all use YT8521 chips.
Citation Information
Patent Citations
An optical module
CN113364522B