kenux Posted August 19 Share Posted August 19 Hello, I installed Macos sonoma 14.6.1 on Optiplex 7040(i7-6700) PC. I seleceted iMac19,1 as the SMBIOS model, but the HD Graphics 530 is 7MB. The AAPL,ig-platform-id seted up 00001259. Thank you Ken EFI.zip Link to comment Share on other sites More sharing options...
Administrators Hervé Posted August 19 Administrators Share Posted August 19 Hello, your graphics settings are inadequate. You need to fully fake KBL graphics to have any hope of graphics acceleration in Sonoma. Injecting a KBL framzbuffer layout is one thing, you also need to fake a KBL iGPU device id. Try these settings instead: AAPL,ig-platform-id 00001259 DATA device-id 12590000 DATA framebuffer-patch-enable 1 NUMBER framebuffer-fbmem 00003001 DATA framebuffer-stolemem 00009000 DATA framebuffer-con1-enable 1 NUMBER framebuffer-con1-type 00080000 DATA If that does not provide you with graphic acceleration, experiment with the various KBL frame buffer layout ids and iGPU device ids as documented in the WEG User Manual. Make sure you use the latest version of Whatevergreen kext. Link to comment Share on other sites More sharing options...
kenux Posted August 20 Author Share Posted August 20 Hello Hervé, Thank you for your reply. According to your parameter configuration, after restarting the computer, the black screen did not displaythank you for your reply. Link to comment Share on other sites More sharing options...
kenux Posted August 20 Author Share Posted August 20 Normal boot when ig-platform-id use 00001259 or 00001219 with out device-id, but still 7mb As soon as the device-id is added, the macos cannot start normally Link to comment Share on other sites More sharing options...
Administrators Hervé Posted August 20 Administrators Share Posted August 20 No support for SKL graphics in Sonoma so no point in trying/using framebuffer 0x19120000. That's dead in the water... The thing is that Desktop HD530 tends to be difficult to get properly supported in macOS. You may have to experiment with other KBL framebuffer layouts/device ids. You got the link for the Whatevergreen user manual. Alternatively a cheap AMD RX560 or WX4100 graphics card (< $100/£100/100€) will work OOB. Link to comment Share on other sites More sharing options...
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