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Mini PC, with i7-8665U processor and Intel UHD 620 (whisky Lake) 7 MB


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Hi I have problem with a Mini PC, with i7-8665U processor and Intel UHD 620 (whisky Lake) config.plistgraphics card, in the Bios I don't have the DVMT option to set 64 MB ... I'm using the latest version of Catalina 10.15.7 and Opencore 0.6.8 .... Who can help me do some tests? I'm trying them all but I can only see 7MB

 

Thank you

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config.plist

You should test different FramebufferIDs

0x3EA50009 (mobile, 3 connectors, no fbmem, 58 MB)
0x3E920009 (mobile, 3 connectors, no fbmem, 58 MB)
0x3E9B0009 (mobile, 3 connectors, no fbmem, 58 MB)
0x3EA50000 (mobile, 3 connectors, no fbmem, 58 MB)
0x3E920000 (mobile, 3 connectors, no fbmem, 58 MB)
0x3E000000 (mobile, 3 connectors, no fbmem, 58 MB)
0x3E9B0000 (mobile, 3 connectors, no fbmem, 58 MB)
0x3EA50004 (mobile, 3 connectors, no fbmem, 58 MB)
0x3EA50005 (mobile, 3 connectors, no fbmem, 58 MB)
0x3EA60005 (mobile, 3 connectors, no fbmem, 58 MB)
0x3E9B0006 (mobile, 1 connectors, no fbmem, 39 MB)
0x3E9B0008 (mobile, 1 connectors, no fbmem, 58 MB)
0x3E9B0007 (desktop, 3 connectors, no fbmem, 58 MB)
0x3E920003 (desktop, 0 connectors, no fbmem, 1 MB)
0x3E910003 (desktop, 0 connectors, no fbmem, 1 MB)
0x3E980003 (desktop, 0 connectors, no fbmem, 1 MB)
0x9BC80003 (desktop, 0 connectors, no fbmem, 1 MB)
0x9BC50003 (desktop, 0 connectors, no fbmem, 1 MB)
0x9BC40003 (desktop, 0 connectors, no fbmem, 1 MB)

until good result.

I believe you're injecting incorrect properties for your iGPU:

WKL_settings.jpg

because:

  1. CFL layout 0x3EA50000 is for desktops
  2. it is useless/pointless (but harmless) to inject hardware's native id (iGPU of i7-8665U carries id 0x3EA0).
  3. i7-8665U is a mobile CPU.
  4. you're using MacBookPro15,3 (Coffee Lake model) SMBIOS.

 

According to the WhatEverGreen user manual, for mobile Whiskey Lake UHD620 you're meant to use:

  • ig-platform-id 0x3EA50009 (i.e. inject value 0900A53E)
  • device-id 0x3EA5 (i.e. inject value A53E0000)

You could (and probably should) opt for MacMini8,1 SMBIOS instead of MBP15,4. Those use CFL layout 0x3EA50007 with UHD630 iGPU id 0x3E9B.

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