Resetting Cmos after Bios Flash?

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   I have been puzzled by a Chassis fan connection on my Sabertooth X79 not working and recently read an article stating you should always reset your Cmos after updating the Bios. I believe the battery for the Cmos was not in the board at the time of flashing the new Bios. Then the battery was installed and the Mobo placed into the PC case. Would placing the battery in after Bios flash cause an issue with certain function of the board? If no, should I attempt a Cmos clearing to see if it jump starts all the hard points on the board?

I'm debating whether or not to do this because other than the one Chassis fan connection all other aspects of the Mobo are working properly. 

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MICHAEL2A Members Profile Find Members Posts Add to Buddy List Groupie Joined: 24 Oct 2009 Online Status: Offline Posts: 241	Quote Reply Topic: Resetting Cmos after Bios Flash? Posted: 07 Dec 2012 at 12:16pm
	I have been puzzled by a Chassis fan connection on my Sabertooth X79 not working and recently read an article stating you should always reset your Cmos after updating the Bios. I believe the battery for the Cmos was not in the board at the time of flashing the new Bios. Then the battery was installed and the Mobo placed into the PC case. Would placing the battery in after Bios flash cause an issue with certain function of the board? If no, should I attempt a Cmos clearing to see if it jump starts all the hard points on the board? I'm debating whether or not to do this because other than the one Chassis fan connection all other aspects of the Mobo are working properly.
	NZXT Switch 810 Asus Rampage V ED10 16GB Corsair Platinum 3000mhz i-7 X5960, 3.0Ghz-3.5Ghz Intel 750 800GB NVME-SSD Corsair H115i CPU Cooler 2 Asus Strix 1080 8GB SLI Corsair AXi 1200 PSU

xii Members Profile Find Members Posts Add to Buddy List Senior Member Joined: 25 Feb 2012 Online Status: Offline Posts: 975	Quote Reply Posted: 08 Dec 2012 at 9:43pm
	Huh. I actually in all my years of building PCs have never reset the CMOS. The battery on the board basically keep settings native to the board in a "remembered" state. Examples would be like the system BIOS password, clock, etc. I do not see a BIOS flash with or without the battery doing anything special. If it does, just flash it again. Regards, Xii

Resetting Cmos after Bios Flash?

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