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To overclock/underclock nvidia card I see this:

nvidia-settings -a [gpu:1]/GPUGraphicsClockOffset[3]=-500
nvidia-settings -a [gpu:1]/GPUMemoryTransferRateOffset[3]=1000

The example GPUGraphicsClockOffset[3] didn't work for me, another howto showed the same command but with offset GPUGraphicsClockOffset[1]. That didn't work either, so I tried GPUGraphicsClockOffset[2], then GPUGraphicsClockOffset[4] which finally worked.

Where is it described which offset to use?

This is what worked for me:

nvidia-settings -a [gpu:1]/GPUGraphicsClockOffset[4]=-500 
nvidia-settings -a [gpu:1]/GPUMemoryTransferRateOffset[4]=1000
vayu
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1 Answers1

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First you need an xorg.conf, and make sure it includes:

Option "Coolbits" "28"

On the Screen section.

Then you can use nvidia-settings to check out what options you can define. Look them up on the PowerMizer tab.

What video card do you have? What are you trying to achieve?

cronulis
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