Server Clock Switching Interface for Automatic Master-Slave Detection
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Solution Overview
Problem
Existing server systems face challenges in efficiently connecting and identifying master and slave devices due to limited chassis space and computing power, requiring manual configuration of interface signal transmission.
Innovation Solution
A master-slave switching interface structure with at least two input/output interfaces and a routing and switching processor that automatically detects connection status and switches clock transfer direction, utilizing a single-pole double-throw switch and clock buffer module to facilitate seamless device expansion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual identification and setting of master and slave devices is performed, then device connection is established, but system complexity and configuration time increase
Solution Approach 1:
The system automatically performs master-slave device identification and clock transfer direction switching without requiring manual configuration. The routing and switching processor detects connection status and autonomously determines the optimal clock transfer direction, eliminating the need for users to manually set master/slave relationships and reducing configuration complexity
Solution Approach 2:
The system dynamically changes the clock transfer direction parameter based on detected connection status. When a device is connected, the system switches the clock transfer direction from the default downstream mode to upstream mode automatically, allowing flexible adaptation to different connection scenarios without manual intervention
2Productivity
If multiple servers are connected to expand computing power, then system capacity increases, but determination of interface signal transmission direction becomes more complex
Solution Approach 1:
The routing and switching processor continuously monitors connection status through detection circuits and uses this feedback information to automatically adjust clock transfer directions. The system reads connection status signals and dynamically reconfigures clock distribution paths, enabling seamless expansion to multiple servers without increasing control complexity
Solution Approach 2:
The interface structure is designed to handle multiple functions automatically: it can detect connection status, identify master/slave relationships, determine signal transmission directions, and switch clock transfer modes all through a single integrated routing and switching processor, reducing overall system complexity despite increased connectivity
Data Source
AI summary
Embodiments of the present application provide a master-slave switching interface structure of a server. The master-slave switching interface structure includes: at least two input/output interfaces and a routing and switching processor. The routing and switching processor includes: a clock buffer module connected to a first clock input source pin; a local clock module connected to a second clock input source pin; a switch module connected to the first clock input source pin, the first clock output pin, and a clock connection pin. The at least two input/output interfaces are connected to the switch module, and one of the at least two input/output interfaces is a target master-slave switching detection interface; and the routing and switching processor is configured for detecting connection status of the target master-slave switching detection interface, and switching a clock transfer direction of the target master-slave switching detection interface based on the connection status. devices,