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    • By twikoffin
      Hello. My hardware is:
      AMD Athlon X2 7750 dual-core
      Gigabyte NVIDIA 8400GS 512MB ( [VGA] ,HDMI,DVI)
      Motherboard Gigabyte based on NFORCE without AHCI support (only IDE)
      I have successfully installed Mac OS Yosemite, Mavericks and El Capitan with AppleNFORCEATA.kext
      But I can't use it with Mac OS 10.8, don't know why, it just gives error and my internal HDD's are not appearing in Disk Utility.

       
         
    • By kamyar1979
      I have bought a 2nd hand AMD Radeon 7750 to fix my Mojave installation problems. Although the Vendor/Device Id is in AMD7000Controller.Kext, I get a black screen and with some changes a yellow screen. I can not find any useful information to fix that. All information are for High Sierra and older macOS versions. Is there any fix to resolve that? What if I buy an RX 650 for example?
    • By macinsane
      This is bothering me for a long time now: Why does Apple deliberately disables the the RX4xx, RX5xx capabilities to hardware encode HEVC and is using Intel Quicksync instead? Is it to make the iMacPro look better than it is? I stumbled over a thread at tony-mac where people are going a totally different road for Radeon graphics. Instead of hassling around with getting Quicksync to work, they proposed to activate the AMD hardware renderer for Polaris GPU's. I tried it out and it works...somewhat
       
      I used a dummy kext from that tomato thread and edited it, so that it enables the AMDU7V4 IOGVACodec like on Vega cards, switched to iMacPro1,1 SMBIOS from iMac18,3, disabled the IGPU and the results were astonishing:
      My 3:34min 4k50p film was rendered by FCP with HEVC in 2:34 minutes. Nearly half the time than with Quicksync! With the iMac18 SMBIOS and the "help" of Intel Quicksync it took FCP 4:41 minutes to get it done!
       
      The problem is: As soon as the "wrong" IOGVACodec is enabled H.264 encoding leads to Mojave crashing at once (be it FCP, QuickTime or Videoproc). Watching H264 material is fine, though. 
       
      If anyone has any idea how to handle this, I would be very grateful. I would even accept Mojave using software encoding for H264 if I could keep this amazing speeds on HEVC!
       
      BTW: Without IGPU on iMacPro1,1 SMBIOS no problem with DRM or iTunes, no need for Whatevergreen or Shiki. That is a bonus
      Ellesmere.kext.zip
    • By Ardit
      Possiedo questo Acer è vorrei sapere se secondo voi è possibile installare Mac OS high sierra partizionando un hdd e mantere anche Windows. Premetto che ne capisco poco. 
      Processore A9 9420 Scheda video condivisa Radeon R5. Se volete altri dettagli chiedetemi perché non so cosa altro aggiungere. 
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