Server build, CPU fan speed problem
Just finished OS install on this mobo:
Supermicro X9SRL-F-O LGA2011/ Intel C602/ DDR3/ SATA3/ V&2GbE/ ATX Server Motherboard
was goofing around with the other fans and now the CPU fan is running at a very high speed. What should I do to make it go back to normal speed? This happened after I plugged in and then unplugged one of the other fans, the CPU fan then started running very fast. It is blowing cold air, so I don't think there is a problem with CPU temp, I think I just fwenked up the BIOS or maybe it thinks there is a fan problem now and is set to run at this stupidly high speed?
Supermicro X9SRL-F-O LGA2011/ Intel C602/ DDR3/ SATA3/ V&2GbE/ ATX Server Motherboard
was goofing around with the other fans and now the CPU fan is running at a very high speed. What should I do to make it go back to normal speed? This happened after I plugged in and then unplugged one of the other fans, the CPU fan then started running very fast. It is blowing cold air, so I don't think there is a problem with CPU temp, I think I just fwenked up the BIOS or maybe it thinks there is a fan problem now and is set to run at this stupidly high speed?
Casey Weaver
You said you plugged in and then unplugged a fan. The BIOS sets certain fans as required depending on processor sockets (and on some models memory, drives, and PCI-E sockets) that are populated. If there are any fans removed or unplugged they must be plugged back in, or it goes into its failsafe mode, which is to run them all at 80-100%. This is regardless of temps.
ASKER
Hi Casey, thanks for the reply. I had been running on the CPU fan for the last couple of days. I installed OS yesterday and finished updates today. All during that time I only had the CPU fan hooked up and it would run at a slow speed (normal speed).
For some reason I got the bright idea to hook up the front panel fan and it was running too loud/fast, so I unplugged it and that is when the CPU fan started running very fast.
I have rebooted server several times, but it keeps running at that high speed. How do I get it to stop that? I tried hook up the front panel fan again, but that seem to not be changing anything.
For some reason I got the bright idea to hook up the front panel fan and it was running too loud/fast, so I unplugged it and that is when the CPU fan started running very fast.
I have rebooted server several times, but it keeps running at that high speed. How do I get it to stop that? I tried hook up the front panel fan again, but that seem to not be changing anything.
Have you checked your fans and triggers with baseband? At the bottom you can select IPMIView: http://www.supermicro.com/solutions/SMS_IPMI.cfm
You can also use SuperDoctor5 for management: http://www.supermicro.com/solutions/SMS_SD5.cfm
You can also use SuperDoctor5 for management: http://www.supermicro.com/solutions/SMS_SD5.cfm
ASKER
I downloaded SuperDoctor5, what should I do now?
Take a look at the health of the system and see if it explains why it's running the fans hard. You might find IPMIView a little more straightforward to use for this.
Usually, you should have all four fans plugged in in addition to the CPU fun. This is a server case, so fan noise is unavoidable. The CPU FAN is kicked in when the system is active. The fan kicked into higher load likely after you installed additional resource consuming software.
install the SuperMicro application. using this tool, you can access the server's health information i.e. System, CPU temperature and if there are any faults. This should tell you why it is running the CPU FAN.
install the SuperMicro application. using this tool, you can access the server's health information i.e. System, CPU temperature and if there are any faults. This should tell you why it is running the CPU FAN.
ASKER
@Casey, I have to wait for Supermicro to email the IPMIView software, it wouldn't let me download it. It did let me download the SuperDoctor5, installing now, will report back in a moment.
@Arnold, it only has the OS on it at this time. I stupidly plugged in one of the other fans and then unplugged it and that is when the CPU fan went into high speed.
@Arnold, it only has the OS on it at this time. I stupidly plugged in one of the other fans and then unplugged it and that is when the CPU fan went into high speed.
Have you installed all the drivers for your OS, along with the utilities? The speed of the fans can usually only be controlled properly when the proper drivers are installed.. If the drivers installation doesn't help, also check the settings in the BIOS. Often you can set the speeds of fans there.
ASKER
@ rindi, thanks for that. Yes all drivers are installed and I checked BIOS but don't see any settings for fans. This MOBO does have IPMI, but, not sure how to get into that.
Just got off the phone with Supermicro support and they said to shut down, disconnect power cable, unplug the MOBO watch battery to reset the CMOS...so trying that now, will see...
Just got off the phone with Supermicro support and they said to shut down, disconnect power cable, unplug the MOBO watch battery to reset the CMOS...so trying that now, will see...
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SOLUTION
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You connect the IPMI to the network with a network cable. You should be able to go to your DHCP table to see what IP address it got. Log onto it through that IP and do your first time config. Then you can change settings from there. This is what IPMI View as well as the other IPMI tools are for, to modify IPMI.
ASKER
Hi guys, have Supermicro support on the phone, they are walking me thru IPMI stuff, finally go the fan speed back to normal, now working on getting IPMI to work with my laptop. Pretty cool, doing this IT stuff.
Server will be replacing our SBS 2008 and will be DNS and file server.
Server will be replacing our SBS 2008 and will be DNS and file server.