Question Resizable bar support for B450 motherboards

Aug 12, 2020
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Hi there,

I just noticed that my MSI B450 TOMAHAWK MAX motherboard has now a BIOS update which provides resizable bar function( https://www.msi.com/Motherboard/support/B450-TOMAHAWK-MAX). I know it provides a performance boost to the graphics cards by allowing the processor to direct access the VRAM. But AMD hasn't provided officially to b450 chipsets and older processors(I have Ryzen 3 3100). Should I update my BIOS to gain that little performance boost? Also I'm currently using a much older GTX 750 TI 2GB graphics card and waiting for new budget GPUs to come. I'm afraid that updating the BIOS and enabling this feature might break something.

Let me know your thoughts.

Thanks.
 

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