Dear List, On 10/12/2014 06:12 PM, Felix Schulthess wrote: >> You cannot control the fan speeds. They are managed by the onboard >> controller. You can choose one of several profiles in the bios but that >> is it. > > That explains a lot. Thank you for your help, I am going to do some > further research in this direction and read up on FreeIPMI. in the meantime, I managed to change the fan settings back to normal (i.e. optimized) fan control. For some reason, they were set to full speed. What I had to do is connect via a browser to the management LAN port and log in. There is a manual for the IPMI Chip on the 6027R TRF main board. http://www.supermicro.com/manuals/other/SMT_IPMI_Manual.pdf It explains the underlying hardware quite well. I am adding this here for the sake of completeness. Maybe so. else will appreciate this solution. Best Felix.
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