Fan Control

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   Hi

Only 4 pin fan headers can be controlled via BIOS, seems that your B450M Pro4-F has 1x4-pin for CPU and 1x4-pin for chassis, that's why no options in BIOS to control CHA_FAN2, because it's 1x3-pin fan header.

I would recommend you a 4-pin fan splitter and forget CHA_FAN2, you'll be able to control all chassis fans.

Best regards and good luck

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SerchTech Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 16 Oct 2022 Location: Spain Status: Offline Points: 1335	Post Options Post Reply Quote SerchTech Report Post Thanks(0) Quote Reply Topic: Fan Control Posted: 14 Dec 2022 at 3:10am
	Hi Only 4 pin fan headers can be controlled via BIOS, seems that your B450M Pro4-F has 1x4-pin for CPU and 1x4-pin for chassis, that's why no options in BIOS to control CHA_FAN2, because it's 1x3-pin fan header. I would recommend you a 4-pin fan splitter and forget CHA_FAN2, you'll be able to control all chassis fans. Best regards and good luck
	X399 Taichi (4.03) Threadripper 2950X DDR4 2 x HX432C16FB3K2/32

Lootgoblin Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 13 Dec 2022 Status: Offline Points: 20	Post Options Post Reply Quote Lootgoblin Report Post Thanks(0) Quote Reply Posted: 13 Dec 2022 at 9:40am
	Hello, since recently i own an ASRock B450m Pro4-F motherboard. It has everything i need on a MB, but the fan on CHA_FAN2 is always running on maximum speed. In the BIOS there is only the possibility to control CPU_FAN and CHA_FAN1. Can somebody please give me an advice how to control CHA_FAN2. I have already tried SpeedFan.