Fan control method and system for improving noises of server

Abstract

The invention discloses a fan control method and system for improving noises f a server, and belongs to the technical field of heat dissipation of servers. According to the fan control method for improving the noises of the server, a switch chip is added on a mainboard to increase the number of BMC distributed I2C addresses, different I2C addresses are distributed to different PCIE trenches, and the I2C addresses of all the PCIE trenches do not interfere; the BIOS of the mainboard recognizes types of board cards in the PCIE trenches and transmits information of the types of the board cards to a BMC; fan control strategies configured for the different board cards are integrated in the BMC; and the BMC calls the fan control strategies which are configured correspondingly according to the number of the recognized board cards and the information of the PCIE trenches. By the fan control method and system for improving the noises of the server, the problem of heat dissipation of the server can be avoided effectively, the noises of the whole server can be reduced by above 10 dB, and the popularization and application value are quite high.

Description

technical field [0001] The invention relates to the technical field of server heat dissipation, and specifically provides a fan control method and system for improving server noise. Background technique [0002] Compared with traditional computers, servers have better scalability, ease of use, and ease of management, and are widely used by large enterprises. With the further development of the economy and business needs, users have higher and higher requirements for the performance of the server, the corresponding server specifications are gradually improved, and the number of PCIE slots designed for the server motherboard is increased, corresponding to the boards that can be carried by the whole server system. The number and types of cards increase, and there are different configurations. Various boards will generate heat during work. To ensure the normal operation of the server, the generated heat should be discharged in time. Fans play an important role, and different bo...

AI Technical Summary

Problems solved by technology

In order to deal with the heat dissipation problem of Raid / SAS storage boards, manufacturers integrate temperature sensors in the control chips of storage boards to monitor the status. The temperature sensor information can theoretically be obtained by the BMC management chip and used to control the system fan speed. approach increases the design cost of the memory board

However, the existing fan control scheme does not specify the board configuration information, and does not obtain the temperature of the storage board for fan control. In order to meet the cooling requirements of the system, the fan control strategy needs to be designed according to the worst working conditions, which not only increases power consumption, but also increases the power consumption. will greatly increase the system noise

And when there is a problem with the heat sink of storage boards such as Raid cards, the server cannot automatically increase the fan speed to avoid heat dissipation risks, which has certain limitations.

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