Question I can't activate Resize Bar (4G Decoding option automatically disables)

Sep 12, 2023
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Hello y' all!!

I'm trying to enable the resizable BAR feature in my BIOS, but I'm encountering this problem.

My config:
  • Asus h410m-r
  • RTX 3070
  • i7-10700

I've updated my BIOS to the latest version.

I have CSM (Compatibility Support Module) disabled.

I enable the "Above 4G Decoding" option, then I enable the "Resizable BAR" option, and finally, "SR IOV Support."

Every time I save the changes, upon restarting, it automatically disables the "4G Decoding" option, so the "Resizable BAR" option doesn't stay enabled.

If I disable the "SR IOV Support" option and leave "4G Decoding" enabled, that change is saved. It seems like I'm encountering a conflict between these two options that prevents me from having both "4G Decoding" and "SR IOV Support" enabled at the same time.

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Does anyone know how to resolve this issue?
 

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