What does cha fan mean?
"cha fan" means the chassis fan; "cha" is the abbreviation of "chassis", which means chassis. The "cha fan" interface is the fan power supply interface on the motherboard, used to connect the motherboard and the chassis The fan can intelligently adjust the speed and control noise based on the information fed back by the temperature sensor.
The operating environment of this tutorial: Windows 10 system, DELL G3 computer.
cha fan means chassis fan
cha_fan is the socket for the chassis fan, cha is the abbreviation of chassis, which means chassis.
There are generally two types of chassis cooling fan interfaces: 3 PIN interface and 4 PIN interface. The 3 PIN interface is the fan power supply interface on the motherboard. If the motherboard has this interface location, just plug the fan power cord directly into the motherboard. . And if the chassis fan only has 4 PIN interfaces, it can only be connected to the power supply for power supply.
CHA_FAN interface knowledge:
CHA_FAN is the chassis fan, and RAD is the radiator fan. On this motherboard, there is not much difference between the two. They are basically the same in terms of appearance and power supply characteristics. The appearance is also easy to recognize. There is a small clip next to the Pin interface, which is very easy to recognize. It can adjust the speed intelligently and control noise in conjunction with the information fed back by the temperature sensor.
Extended knowledge
##CPU_FAN interface knowledge
SYS_FAN interface knowledge
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