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A server supporting multi-backplane cascading

A server and backplane technology, applied in the server field, can solve problems such as inability to meet topology requirements, poor signal quality, and low polling efficiency, and achieve the effect of solving I2C address duplication, reducing load, and improving efficiency.

Active Publication Date: 2022-03-22
SHANDONG YINGXIN COMP TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, in this solution, the CPU VPP signal is divided into multiple signals on the motherboard and connected to the backplane through cables, which cannot meet the topology requirements and the signal quality is poor.
If the problem of signal quality is solved by adding Switch chips according to the processing method of I2C signals, each CPU needs a Switch chip, which increases the cost
In addition, in this case, when the BMC accesses the hard disk, it needs to go through the secondary Switch chip, and the polling efficiency is low.

Method used

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  • A server supporting multi-backplane cascading
  • A server supporting multi-backplane cascading
  • A server supporting multi-backplane cascading

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0027] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are to distinguish two entities with the same name but different parameters or parameters that are not the same, see "first" and "second" It is only for the convenience of expression, and should not be construed as a limitation on the embodiments of the present invention, which will not be described one by one in the subsequent embodiments.

[0028] In one example, please refer to image 3 As shown, the present invention provides a server supporting multi-backplane cascading, and the server includes:

[0029] Mainboard (abbreviated as MB), the mainboard is provided with a baseboard mana...

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Abstract

The invention discloses a server supporting multi-backboard cascading. The server includes a motherboard, which is provided with a BMC, a motherboard low-speed connector, an Expander chip, and multiple motherboard high-speed connectors. The BMC is connected to the motherboard low-speed connector through the I2C bus, and the BMC is connected to the Expander chip through the I2C bus. There are I2C repeaters, backplane low-speed connectors and backplane high-speed connectors respectively connected to the I2C repeaters on the backplane. Multiple backplane low-speed connectors are connected in series in sequence and then connected to the main board low-speed connector. The backplane corresponds to a motherboard high-speed connector, and each backplane high-speed connector is connected to the corresponding motherboard high-speed connector and then connected to the Expander chip; the BMC is configured to detect the in-position backplane and enable the I2C of any in-position backplane repeater, and use the backplane where the enabled I2C repeater is located as the gated backplane. The server of the invention solves the problem of repeated I2C addresses on cascaded backplanes, improves the polling efficiency of BMC access to backplane equipment, and reduces the load of the I2C bus.

Description

technical field [0001] The invention relates to the technical field of servers, in particular to a server supporting multi-backboard cascading. Background technique [0002] With the rapid development of cloud computing applications, informatization and intelligence have gradually covered all fields of society. People communicate more and more through the network in their daily work and life, and the amount of network data is also growing explosively. As the core equipment for processing and storing data, the server has higher and higher requirements for performance and configuration. In order to meet the complex and diverse application scenarios of different users in various fields, the configuration of the server also needs to be more flexible and changeable. For example, when a server is used in the field of large-capacity storage, more PCIe resources need to be allocated to hard disks through the backplane, while when the server is used in the computing field, only a sm...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F1/18G06F13/36
CPCG06F1/184G06F13/36G06F2213/0016G06F2213/0026
Inventor 冯鹏斌
Owner SHANDONG YINGXIN COMP TECH CO LTD
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