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videobios

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    iMac 2017, Radeon Pro 580 video bios

    Dear community, I want to backport iMac's Radeon Pro 580 EFI BIOS to make it work with normal RX 580 and with Mac Pro 5.1 (etc..) efi boot menu. Problem is that I don't have access to iMac currently. Is there anyone who can dump for me their videobios from iMac equipped with Radeon Pro 580? You...