Next, press the Configure button. At first, you open the motherboard, and all the electric control fans need to debug. You can also monitor GPU status with ThunderMaster utility.How to Use SpeedFan. If your system is Intel / NVIDIA mixed setup and is having random issues when not reaching 95C or above, then most likely it is an issue with your Heatsink/FanI want to be able to manually set GPU fan speeds.With ThunderMaster, you can control your video card from overclock setting, fan speed to LED effect. U cant control the CPU/GPU Fan simple as that, it has a hardcoded firmware based preset within the BIOS that controls the fan speed curve, based on temps.
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Don't want to mess up my config there so not trying it out on the 18.04 machine. I have tried multiple modifications to the xorg.conf generated by 2 lines above but havent been able to get past black screen with anything other than the basic xorg.conf at start of this post - which doesnt allow fan speed change on fan 1 or 2I have the exact same config - 3 GPUs on 18.04.Got it working by connecting a physical monitor to each of the 2 secondary GPUs in addition to the primary monitor and creating a new x screen for each of the two extra monitors from X Server Display Configuration.Different ports on the same monitor would probably work too.Then I did Save to X Configuration File -> Show Preview and copied and pasted the contents to a text file and saved as /etc/X11/xorg.conf.Then I added Option "Coolbits" "28" line under Section "Device"for Device0, Device1 and Device2.This is what it looks like now: # nvidia-settings: X configuration file generated by nvidia-settings# HorizSync source: edid, VertRefresh source: edid# HorizSync source: unknown, VertRefresh source: unknownOption "metamodes" "nvidia-auto-select +0+0"Option "metamodes" "1920x1080 +0+0 "Restarted and Fan settings working on all GPUs:Edit: got it working on another machine with 3 GPUs but with 16.04 without connecting extra physical monitors.First ran nvidia-xconfig -enable-all-gpus, then edited the xorg.conf file to add Option "Coolbits" "28" line under Section "Device"for Device0, Device1 and Device2 as before.This is what it looks like: # nvidia-xconfig: X configuration file generated by nvidia-xconfigRestarted and got fan settings working fine.Not sure if it will work on 18.04 though.
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