Control 3 pins fan with BIOS

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   I didn't know it's possible to switch to DC mode.I will try it.

Thanks :)

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Guysmo Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 04 Sep 2017 Status: Offline Points: 4	Post Options Post Reply Quote Guysmo Report Post Thanks(0) Quote Reply Topic: Control 3 pins fan with BIOS Posted: 08 Sep 2017 at 8:11pm
	I didn't know it's possible to switch to DC mode. I will try it. Thanks :)

ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Offline Points: 8937	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(0) Quote Reply Posted: 08 Sep 2017 at 5:47pm
	Dear Guysmo, Thank you for choosing ASRock. Regarding your case, B250 Pro4 has 3 chassis fan, chassis fan2 and chassis fan3 can support 3-pin fan. Chassis fan 2 can auto detect if 3-pin or 4-pin fan is in use. Chassis fan 3 have to set to DC mode in BIOS, after setting to DC mode, 3 pin fan speed can be controlled. http://www.asrock.com/mb/Intel/B250%20Pro4/index.asp#Specification Thank you! Yours truly, ASRock TSD

Guysmo Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 04 Sep 2017 Status: Offline Points: 4	Post Options Post Reply Quote Guysmo Report Post Thanks(0) Quote Reply Posted: 04 Sep 2017 at 12:07am
	Hi, I bought an ASROCK B250 PRO4 and I'm trying to control all fans, they all have 3 pins. In BIOS, I found the menu to set silent or full speed mode but in any cases, fan speed doesn't change ! If it's not possible with BIOS, which software can do that ? (speedfan doesn't work) Thank you for your time.