How to reset fan speed on Supermicro X9SRL-F Mobo?

my fan speeds are running faster than I prefer.  I think I have to get into IPMI to reset them, but have no idea how to do that? Can anyone walk me through the process?  This is the mobo:

Supermicro X9SRL-F-O LGA2011
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You just need to reset BIOS/UEFI to defaults (something like holding F2/DEL/ESC/F10 when system is booting before OS appears.
Davis McCarnOwnerCommented:
About once every year, I bump into a PC where the fan speed control has gone bad and those PC's tend to run them at there top speeds.  You don't say what O/S is on the server so I can't suggest a utility to inspect the temps and speeds.  What is it?
P.S.  99+% of the time, its clogged heatsinks for the CPU(s) that cause high fan speeds and that has to be addressed by blowing the dirt out of the heatsink(s).

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wfcrrAuthor Commented:
OS is Windows Server 2008. I just build this unit and  fan speed was fine until I decided to unplug the front fan, then speeds went very high and now won't go back down, with or without front fan.

Supermicro said the fan speed has to be set via the IPMI interface and I am having trouble getting into the IPMI GUI.  For some reason I cannot ping this machine from other computers on the network. I can ping other computers from that machine, but, other computers cannot ping it.  

And, the IPMI interface has to be accessed from a different computer by going into internet explorer and entering the ip address of the target machine.
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Manual says it is configurable in good old BIOS
wfcrrAuthor Commented:
All I can find in BIOS is an energy efficiency setting under Energy/Performance Bias on page 4-8. I changed the setting in BIOS to energy efficient, but it didn't change the fan speed.
Davis McCarnOwnerCommented:
And it says that F1 will enter the BIOS.
wfcrrAuthor Commented:
Yes, I went into BIOS and changed the setting that is listed in the manual on page 4-8.  Fans are still running on high, though.  When I went to Supermicro's site, Tech support emailed to say it has to be adjusted via IPMI, but, so far I have not been able to get into the IPMI interface.
wfcrrAuthor Commented:
Called Supermicro and they walked me through the process of using command prompts to reset the fan speeds. For some reason Supermicro changed the interface where BIOS doesn't have these settings, they have to be run from command prompts.

As it turns out, I had one of the fans plugged into a card fan header and that was making that fan run fast.  Fix was to plug that fan into a normal fan header, then run a command prompt to reset fans to 0-Standard Mode.
wfcrrAuthor Commented:
Not sure how to award this one, so will just split the points for participation? Solution was to call Supermicro and have them walk me through command prompts to reset fans.
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