Moores served as the company's first CEO. Moores, and Dan Cloer, whose surname initials were adopted as the company name BMC Software. The company was founded in Houston, Texas, by former Shell Oil employees Scott Boulette, John J. 1.1 Acquisition and privatization by private equity firms.However, under the "optimal" BMC fan speed, my fans still oscillate between low RPM and max RPM.Īre the values for my thresholds fine? Is there a way to set raw fan speed using ipmiutil?Īnother option I'm considering is to use an Ubuntu Docker container so I could run ipmitool raw commands when I boot into Windows 10. I assumed this would solve the issue because the lower threshold alert should no longer be triggered. I figured this was because I set the BMC fan control to "full" speed so I tried changing the BMC fan control to "optimal" which resulted in the fans operating at about 300-700 RPM. I set the new low thresholds (low non-critical low critical low non-recoverable) to 100:100:100 and rebooted, but the fan speed remains unchanged. I was able to change the low and high thresholds using ipmiutil, but I am still unable to set to a stable fan speed. Heavy IO: BMC control of CPU zone (target speed 50%), Peripheral zone fixed at 75%.Optimal: BMC control of the CPU zone (target speed 30%), with Peripheral zone fixed at low speed (fixed ~30%).Standard: BMC control of both fan zones, with CPU zone based on CPU temp (target speed 50%) and Peripheral zone based on PCH temp (target speed 50%).Details regarding the four Supermicro BMC fan speed options below. At "full" BMC fan speed, my fans ran at around 1600 RPM. My default threshold settings were: 700:500:300:25300:25400:25500 (low non-critical low critical low non-recoverable high non-critical high critical high non-recoverable). My initial attempt was to perform a similar procedure by installing Cygwin and ipmitool, but I am unable to package the IPMI binary and the dlls to build ipmitool in Windows (see reference: ipmitool for windows).Ĭould anyone provide instructions on how to build ipmitool in Windows to control fan speed? Or suggest an alternative solution for Windows? However, I have not figured out how to control the fan speed when booting into Windows 10.
Although I will look into controlling fan speed based on temperature later, I am currently only looking to set a specific level of fan speed. I put together a startup script that utilizes IPMI "raw" controls to set a target speed percentage.
I successfully lowered the fan speed on Ubuntu 18.04 using the excellent reference put together by PigLover: I have a Supermicro H11DSi-NT motherboard that I am using for a dual boot (Ubuntu 18.04 and Windows 10) workstation.
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