Z490 Bios update Mos fan problem

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   Dear NadeMagnet,

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With thanks,
ASRock TSD

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ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Offline Points: 8907	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(0) Quote Reply Topic: Z490 Bios update Mos fan problem Posted: 14 Aug 2020 at 2:30pm
	Dear NadeMagnet, Your email has been received, our team shall respond to you soon. With thanks, ASRock TSD

NadeMagnet Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 14 Aug 2020 Location: USA Status: Offline Points: 24	Post Options Post Reply Quote NadeMagnet Report Post Thanks(0) Quote Reply Posted: 14 Aug 2020 at 12:49pm
	I went ahead and filled out the form. But I think you're misunderstanding. The BIOS can still read all the case fans I have attached. What it's now not reading after the Bios update is the two small fans that COME with the motherboard itself. The Bios calls those two Mos_Fan1 and Mos_Fan2. Both now show N/A in the Bios instead of showing their RPM like it did before the update.

ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Offline Points: 8907	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(0) Quote Reply Posted: 14 Aug 2020 at 11:55am
	Dear NadeMagnet, Thank you for posting your query to the ASRock forum. Regarding your question, kindly fill out the form in the following link. https://event.asrock.com/tsd.asp Please provide the following information for us: 1. Motherboard model name. 2. Fan used. Is it 3 pins or 4 pins? 3. Please provide the header name that doesn't have the fan speed showing. With thanks, ASRock TSD

NadeMagnet Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 14 Aug 2020 Location: USA Status: Offline Points: 24	Post Options Post Reply Quote NadeMagnet Report Post Thanks(0) Quote Reply Posted: 14 Aug 2020 at 11:02am
	I just updated the BIOS to P1.70 with the live update and app shop utility. Now in neither simple Bios, or in advanced H/W monitor does my Mos_Fan1 or 2 fan speed show up. It says N/A. I just took my side case off and the fans aren't spinning at all now. They should be set to performance with the rest of my fans. How do I re enable them?