OpenRGB

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The official Lemmy community for the OpenRGB project.

Official website: https://openrgb.org

GitLab: https://gitlab.com/CalcProgrammer1/OpenRGB

founded 3 years ago

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Sapphire 7800xt Nitro+ controls (lemmy.ml)

submitted 7 months ago* (last edited 7 months ago) by [email protected] to c/[email protected]

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Hi there, I’m building a new pc and my build is completely black without rgb lights. My question is, can I turn off the led strip on the 7800xt Nitro+ from Sapphire? I checked and it seems to be supported, can someone please confirm that I can turn off the led strip completely? I don’t know if it’s important or not but I’ll be using Linux on this new pc. Thanks!

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[–] [email protected] 2 points 7 months ago

It's an issue with all AMD cards. The Linux amdgpu kernel driver does not expose the i2c interface that is used to control the RGB, so even if we have support for the card in OpenRGB on Windows, it won't work on Linux at the moment. The problem is their driver heavily links i2c ports with display connectors and the RGB is always on one of the otherwise unused i2c ports. I think AMD GPUs have 8 i2c ports on the chip and most graphics cards have only 4 or 5 display connectors that each use one i2c port. The Linux driver only exposes those 4 or 5.