imac 27 xorg ati radeon 4850 blank video

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    Running FreeBSD 11 on an imac with ATI graphics

    I inherited an oldie at work today, an imac 27 inch core i5 (Model number 11.1) and want to share a few tips in order to get FreeBSD 11.1 running on it This model has an early UEFI Bios, an ATI Mobility Radeon 4850 graphics card and a nasty video firmware bug that made it useless with...