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AsRock b450m Pro4 Resizable BAR

EdMetal

I'll be short.

Does anyone here have this board? 

I'm on the latest bios (4.60) which supports Ryzen 5000 cpus, however I can't find the option to enable the resizable BAR anywhere in the bios.

It should be near ''above 4g decoding''.

What am I missing?

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As far as I know, resizable BAR is only available on B550/X570 for now since those platforms are the only ones to support PCIe 4.0.

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