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rx6600xt

  1. D

    MP 1,1-5,1 **SOLVED** No Boot Screen OCLP RX6600XT

    Hi all, Specs: cMP 4,1/5,1 Monterey 12.6.1 on SATA SSD WIN10 on dumb NVME PCI-e adapter OCLP 0.5.1 Sapphire Pulse RX6600XT LED Cinema Display 24" (A1267) After flashing the 6600 and installing it in the cMP, I cannot see the OCLP boot picker. OCLP is working since the cMP boots into Monterey...
    • dksoutha
    • Thread
    • cmp no boot screen oclp rx6600xt
    • Replies: 11
    • Forum: Mac Pro
  2. S

    MP 1,1-5,1 MacVidCards Europe Radeon RX 6800/RX 6600XT for Mac Pro 4,1/5,1 benchmarks

    Radeon RX6800 16 GB is now the fastest card for Mac Pro 4,1/5,1 with standard EFI boot screen. You can see EFI boot screen even without any HDD/SSD installed at all. macOS Monterey 12.2.1 works natively without any patches. You just need to either move Monterey from supported Mac or install it...
    • Spacedust
    • Thread
    • boot screen efi boot windows mac pro mac pro 4.1 mac pro 5.1 macvidcards rx6600xt rx6800 windows 10 windows 11
    • Replies: 14
    • Forum: Mac Pro
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