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<< Solved >> RX580 + Headless UHD630 - reboot after wake

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Joined
Nov 23, 2015
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Motherboard
Gigabyte Z390 Gaming X
CPU
i5-9600K
Graphics
RX580
Mac
  1. MacBook Air
Classic Mac
  1. Power Mac
Mobile Phone
  1. iOS
Hello,

I have a problem with 9th gen. UHD630 and RX580. When I use native platform ID 0x3E980003 (headless) system reboots after sleep/wake. When iGPU is disabled in BIOS or enabled with HDMI output (platform ID 0x3E9B0007), Catalina works fine after sleep/wake. I use the latest versions of Lilu and WEG, framebuffer patches are generated by Hackintool 2.8.3. My SMBIOS is iMac19,1. How to set it with headless iGPU?

And one more thing - when iGPU in bios is disabled probably QuickSync works:

368664165_Zrzutekranu2019-10-26o11_05_05.thumb.png.de1da826f72d3055c1a085969c9cbfe8.png
 
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