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[Solved]Fixes to Get Full Acceleration on Intel HD Graphics in iMac 17.1

Joined
May 27, 2017
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177
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Asus Strix z270F
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Kaby Lake i7 4.2K
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RX 580 / HD 630
I was able to get full acceleration but when I enable -disablegifxfirmware FCP just crashes. Any ideas?
 
Joined
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Gigabyte Z390 Designare
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I hardly use iTunes, but it works for playing music from my library on a NAS. Never bought a film or TV-show, so I don't know if that works.
What specifically doesn't work/crash?
 
Joined
Feb 9, 2012
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Gigabyte X299 Desgnare EX
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i9-9900x
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W5700
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Interesting, thanks. Your setup is fairly similar to mine, though I have an Nvidia card (and NvidiaGraphicsFixup). Also my SSDTs are a little different (OT, but you don't need LPC for an iMac17,1 - apparently even the real ones don't have it).

Perhaps both your devices show up in System Info because you have a Radeon. That's the biggest difference I can think of. Quick Sync still works for me, however, I just don't see the IGPU listed anywhere other than IOReg.


Hi, I have HD530 + Nvidia card. Quicksync not working at all, in 10.13. The latest Lilu and Nvidiafix kexts makes me reboot infinite...So I am using Lilu 1.17 not 1.20.

Can you help me? or share your kexts and config?
 
Joined
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Hi, I have HD530 + Nvidia card. Quicksync not working at all, in 10.13. The latest Lilu and Nvidiafix kexts makes me reboot infinite...So I am using Lilu 1.17 not 1.20.

Can you help me? or share your kexts and config?

Can you upload your config.plist and EFI folder (excluding themes)? Have you got the Nvidia web drivers installed for High Sierra?
 
Joined
Aug 1, 2011
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570
Motherboard
GA-Z170X-ULTRA GAMING
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i7 6600k
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HD530
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I enabled full hardware acceleration by simply editing here:
/System/Library/PrivateFrameworks/AppleGVA.framework/info.plist the forceOfflineRenderer property in the Info.plist for my board id set to NO?

https://github.com/vit9696/Shiki/blob/master/Manual/FAQ.en.md

No intelfixup no shiki and no lilu needed... iTunes is more stable although will crash in bursts..
 
Last edited:
Joined
Dec 13, 2010
Messages
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Motherboard
Z390 PHANTOM GAMIG-ITX/ac
CPU
i5-9600K
Graphics
UHD 630
Mac
  1. iMac
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  1. iOS
I enabled full hardware acceleration by simply editing here:
/System/Library/PrivateFrameworks/AppleGVA.framework/info.plist the forceOfflineRenderer property in the Info.plist for my board id set to NO?

https://github.com/vit9696/Shiki/blob/master/Manual/FAQ.en.md

No intelfixup no shiki and no lilu needed... iTunes is more stable although will crash in bursts..

OHHH¡¡¡ It's perfect, it's easy.... run for me :clap:
Three kext's deleted
EDIT: Intelfixup it's necessary for me, only lili and shiki deleted

Captura de pantalla 2017-11-03 a las 22.38.54.png
 
Last edited:
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