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  1. Coquin

    ASUS X99 Boards - Big Sur (Not Compatible)

    Hi zzmadd Could you be a little more specific about installing Big Sur from another system then booting. What kind of system? What EFI did you use? I was able to install Big Sur on an X99 Xeon cpu using this EFI but it does not boot on my i 5820 K cpu. Thanks
  2. Coquin

    X79 BigSur Will it Work?

    Hi Ryan I used your efi on my X79 box; it booted all right and the installation started but it stopped with 15 minutes left. No crash, no freezing since the mouse keeps working. I repeated the installation process three times, but it always stopped with 15 minutes remaining to the installation...
  3. Coquin

    ASUS X99 Boards - Big Sur (Not Compatible)

    Tested on a new SSD with same result "An error loading the update". Thanks for your help
  4. Coquin

    ASUS X99 Boards - Big Sur (Not Compatible)

    Interesting and surprising because I am installing on a 500 go hard drive. I will try again after reformating the drive. Thanks
  5. Coquin

    ASUS X99 Boards - Big Sur (Not Compatible)

    Hi I tried your EFI. It boots all right and the installation works normally until there is 13 minutes left. Then it stops and I get this message:"An error loading the update". I tried to install twice and I got the same error. Any idea? Thanks
  6. Coquin

    ASUS X99 Boards - Big Sur (Not Compatible)

    Hi Thanks for your kind reply. But can you give me your efi or direct me to an EFI that is likely to work with my computer?
  7. Coquin

    ASUS X99 Boards - Big Sur (Not Compatible)

    Hi ennoclao Just wondering which EFI is working with your X99 i7 5820K? I have the same cpu, same graphics card, but with a MSI X99 SLI Plus mobo. Thanks
  8. Coquin

    Asus X99 Rampage Big Sur 11.0.1 running smoothly with Opencore 0.6.3

    Thanks for your new EFI 0.6.4. However I'm getting the same "OCB start image failed, aborted" error message. I wonder if it may have anything to do with my MSI X99 SlI motherboard. Thanks again
  9. Coquin

    Asus X99 Rampage Big Sur 11.0.1 running smoothly with Opencore 0.6.3

    I get "OCB start image failed; aborted. Any suggestion? Thanks
  10. Coquin

    Asus X99 Rampage Big Sur 11.0.1 running smoothly with Opencore 0.6.3

    Hi Shantou Your EFI works very smoothly with my X99 Xeon cpu and installs perfectly. However, it does not boot with my i7-5820K cpu. Any idea. Anyway, thanks a lot
  11. Coquin

    Asus X99 Rampage Big Sur 11.0.1 running smoothly with Opencore 0.6.3

    Hi Your EFI works very smoothly with my X99 Xeon cpu and installs perfectly. However, it does not boot with my i7-5820K cpu. Any idea. Anyway, thanks a lot
  12. Coquin

    Trying to patch framebuffer for XFX RX 580 8GB in Mojave

    You did not offend me at all. On the contrary, I am glad you replied to my interrogations. Yes, I do have Windows 10 on one of my hard drives. Are you saying that I could flash my Sapphire HD 7850 with a rom from a different card? Thanks
  13. Coquin

    Trying to patch framebuffer for XFX RX 580 8GB in Mojave

    And how do you flash a Radeon card on a MAC?
  14. Coquin

    Trying to patch framebuffer for XFX RX 580 8GB in Mojave

    I have spent hours trying to make all the ports of my HD 7850 (two mDP, one HDMI and one DVI) and HD 7870 (two mDP, one HDMI and two DVI) work with Mohave 10.14.4 but I could only get the two mDP ports work using a mDP to HDMI adapter and a mDP to DVI adapter. Is there any way to make the video...
  15. Coquin

    Ati HD 7850 acceleration Mojave september release

    Thanks a lot for this info. I am using lilukext and WEG as well as ATI inject. I also applied a ATIcontroller patch in the kext and kernel to patch section. I downloaded the data for the different ATI 7000 framebuffers and I could find the one that matches my card but I have no idea how to edit...
  16. Coquin

    Ati HD 7850 acceleration Mojave september release

    I also have a HD 7850 but I can get monitors working only when I use mDP adapters to HDMI and to DVI. If I connect a monitor directly to the DVI port of the HD 7850 I can get a picture only during the initial boot process(showing the verbose stuff) but when it gets to the actual Mojave window...
  17. Coquin

    List of graphics cards that support Mojave

    I know that DP can carry audio but when I connect my computer via the mDP hdmi adapter to the Home Movie Theatre Receiver my computer does not "see" the mDP audio output. Therefore, I cannot send audio from the computer to my receiver unless I use an optical cable from the computer to the input...
  18. Coquin

    List of graphics cards that support Mojave

    Not a stupid question! I want HDMi because I often use my computer to watch video streaming. I have HDMI cable running from my computer to my Onkyo receiver. I like HDMI because I can use a single cable to carry video and audio. HDMI has always worked for me. But with the Radeon card I will...
  19. Coquin

    List of graphics cards that support Mojave

    You are experiencing exactly the same behaviour as I am from the Radeon card. I spent countless hours trying to get the other two outputs to work but I could not. Something is very weird: if I use a mDP to HDMI adapter, I get no signal on the monitor, but if I use the mDP adapter connected to a...
  20. Coquin

    List of graphics cards that support Mojave

    Yes, that is what I meant by "Hot plug". If I disconnect either mDP cable and reconnect it the picture does not come back. Did you check the other ports, HDMI and DVI? And you are right, my card is the one shown on the picture you attached to your previous message. Thanks
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