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Design method for quickly distinguishing and recognizing abnormal condition of fan stalling

A technology of abnormal state and design method, which is applied in the server field, can solve the problems of being unable to further distinguish the difference between the fan stop and whether the fan exists, and the fan has no speed, etc.

Inactive Publication Date: 2015-01-28
LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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  • Summary
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, common servers can realize the monitoring and alarm function of fan failure, but it is impossible to further distinguish the difference between the fan stop and the existence of the fan
That is, it is impossible to distinguish whether the fan has no speed due to abnormal stop or whether the fan is in place

Method used

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  • Design method for quickly distinguishing and recognizing abnormal condition of fan stalling

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Embodiment Construction

[0016] The content of the present invention is described in more detail below:

[0017] Add a pin connected to the ground pin on the current fan side, and pull up the pin on the fan terminal side corresponding to the pin on the motherboard side and connect it to the BMC at the same time, named PRESENT signal.

[0018] The hardware design circuit consists of four parts, which are the BMC management system, the fan terminal, the pull-up line of the PRESENT signal, and the fan.

[0019] Among them, the BMC management system is the identification part of the hardware design circuit. The management system detects the PRESENT signal and the TACH signal to quickly distinguish the abnormal state when there is no fan speed detected; the fan terminal mainly serves as a bridge.

[0020] Such as figure 1 As shown, the figure is a block diagram of the hardware circuit for quick distinction and identification of the abnormal state of the fan stop. The PRESENT signal part is a new place...

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Abstract

The invention provides a design method for quickly distinguishing and recognizing abnormal condition of fan stalling. The design method belongs to the field of servers. A pin connected with a ground pin is additionally arranged on the current fan end; on a mainboard end, a pin corresponding to the pin fan terminal end is pulled upwards and is connected into a BMC (Block Multiplexer Channel) simultaneously, and a PRESENT signal is named; the judgment on the fan abnormal stalling state is realized through monitoring the high-low level of the signal, so that engineers are helped to quickly confirm the fan state.

Description

technical field [0001] The invention relates to the field of servers, and in particular utilizes a design method for quickly distinguishing and identifying abnormal states of fan stalls. Realize the judgment of the abnormal stall status of the fan, and provide help for engineers to quickly determine the status of the fan. Background technique [0002] With the large number of applications of servers in the Internet market and the application of large-scale data computer rooms becoming more and more common, the number of server applications will also increase exponentially, and each computer room consumes more and more power consumption, and power consumption and temperature, Heat dissipation has a lot to do with it, and the temperature and heat dissipation need to be controlled strictly according to the fan. Therefore, the normal operation of the fan is very important to the server. It not only affects the power consumption, but also involves many components in the server. ...

Claims

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Application Information

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IPC IPC(8): G06F11/22G06F1/20
Inventor 赵乐森
Owner LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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