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Blade server motherboard

A blade server and motherboard technology, applied in the computer field, to achieve the effect of reducing EMI interference, stable and safe system operation, and improving DDR3Margin

Active Publication Date: 2014-04-09
曙光信息系统(辽宁)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The present invention proposes a blade server motherboard, which solves the technical problems of how to improve the EMI interference capability of the blade server motherboard and how to increase DDR3 Margin

Method used

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Embodiment Construction

[0021] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0022] The invention discloses a blade server motherboard, which includes a plurality of PCB layers, and the plurality of PCB layers include a digital electrical layer, a digital ground layer and a signal layer, wherein, there is a digital ground layer between every two signal layers Or the digital electrical layer, that is to say, there is no situation where two adjacent layers are signal layers. Among them, the digital electrical layer or the digital ground layer is used to combine with the signal layer to form a closed loop, thereby providing a return path for the signal.

[0023] Through the blade server mainboard disclosed by the present invention, EMI interfer...

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Abstract

The invention provides a blade server motherboard which comprises multiple PCB (printed circuit board) layers, wherein the multiple PCB layers comprise digital electrical layers or digital ground layers, and signal layers. The blade server motherboard is characterized in that a digital electrical layer or digital ground layer is arranged between every two signal layers. Through the blade server motherboard provided by the invention, the EMI (electro-magnetic interference) is reduced, and the stability of the motherboard when the motherboard is electrified and running is enhanced.

Description

technical field [0001] The present invention basically relates to the computer field, and more specifically, relates to a blade server motherboard. Background technique [0002] The AMD platform uses HT bus technology to realize interconnection and communication between CPUs. HT technology is a bus technology for interconnection between CPUs, which has the characteristics of bidirectional, serial, high bandwidth, low delay, and point-to-point. The current HT 3.0 protocol stipulates that the main frequency of the bus can reach up to 3.2GHz, and data transmission is performed on the rising edge and falling edge of a clock cycle, so the maximum transmission rate reaches 6.4GT / s. The current mainstream G34 platform supports MagnyCours series CPUs. Each processor has two nodes (Node) and four 16-bit (bit) HT buses. The interconnection of the HT buses must follow certain principles. At present, there are only a few companies in the world that develop four-way blade server product...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F1/16
Inventor 张迎华朱越沙超群
Owner 曙光信息系统(辽宁)有限公司