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    MP 1,1-5,1 Mac Pro 5,1 RX580 – Dual HDMI Displays Limited to 30 Hz After Monterey Upgrade (No Hardware Acceleration?)

    Hi all — I’ve searched, but haven’t quite found my exact situation. Apologies if this has come up before. I’ve got a mid-2012 Mac Pro 5,1 (dual 3.46 GHz Xeons, 96 GB RAM) with an RX 580 GPU. I’ve been running Mojave very successfully for a couple of years — triple-monitor setup, plus a PCIe...
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    • Thread
    • 30 hz 60 hz efi gpu hardware acceleration martin lo monterey oclp open core rx580
    • Replies: 6
    • Forum: Mac Pro
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