A switching topology circuit, a bearer board, an interworking system, a computer host device and a computer

By adding a second high-speed connector and switching chip to the PCIe switching chip circuit, efficient interconnection between computing cards is achieved, solving the problems of complex design and high cost in the existing technology, and improving signal quality and communication bandwidth.

CN224472022UActive Publication Date: 2026-07-07STREAM COMPUTING INC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
STREAM COMPUTING INC
Filing Date
2025-05-27
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

In existing technologies, the interconnection topology between computing cards is complex, the signal quality is unstable, the communication bandwidth and latency are unstable, and custom-made adapter boards and long cables are required, resulting in high costs.

Method used

By adding a second high-speed connector and switching chip to the circuit of the PCIe switching chip, it is possible to cascade with other switching topologies. This reduces the interconnection cost of the PCIe switching chip and improves signal quality and communication bandwidth through the design of the switching topology circuit.

Benefits of technology

It simplifies the connection design of PCIe switching chips, improves signal quality and communication bandwidth, reduces interconnection costs, and reduces reliance on long cables.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224472022U_ABST
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Abstract

The utility model discloses an exchange topology circuit, bearing board card, intercommunication system, computer host equipment and computer. Exchange topology circuit includes PCIe exchange chip, switch chip, first high speed connector and second high speed connector, and first high speed connector is connected high speed data source through high speed cable, and PCIe exchange chip is used for realizing high speed data transfer and interconnection between multiple PCIe devices, and PCIe exchange chip includes one upstream port and a plurality of downstream ports, and upstream port connects first high speed connector, and at least one downstream port connects the input channel of switch chip, and switch chip is used for realizing dynamic switching between multiple output channels, and at least one output channel connects second high speed connector, and second high speed connector is used for connecting high speed data receiving circuit through high speed cable. The above-mentioned circuit design can reduce the interconnection cost of exchange chip, improve signal quality and communication bandwidth.
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