@CaseySJ,
@jaymonkey,
I have finished with my framebuffer patching with Hackintool following this guide (thank you to all) and I have working both my HDMI and DVI, but no luck with the VGA. Believe me, I tried every combination I could think of. I have the problem though of having to start the computer with only one monitor, then plugging in the other one if I want to use two monitors at the same time. It is not to troubling though. Also, the VGA is not so important for me to continue with solving that problem.
But, I just wanted to deliver some FYI in case it helps anyone.
Firstly, the original question I asked about why my iGPU was showing up as "Intel 8th Gen Core Processor Gaussian Mixture Model" is in direct relation to choosing Device ID 0x3e91 instead of 0x3e9B. 0x3e9B will display the UHD 630 Graphics correctly. My CPU (core i3-9100) has a native Device ID of 0x3e91 as per what shows in "About This Mac" and Hackintool and also on the Intel website for this CPU under the graphics category.
@jaymonkey thanks for your advise. I did end up downloading a plist editor and making the changes as you described. First time I had to use a plist editor, so the learning was fun.
Secondly, some things happened that I thought should not have so I will share in case they help. And yes, I can re-create this again and again.
I was following CaseySJ's framebuffer guide. Starting at step 9, there was no Devices/Fake ID/IntelGFX value as it was already 0x0. I unchecked the Graphics/Inject Intel and removed the Graphics/ig-platform-id value of 0x3E9B0007. I hit save and closed Clover Configurator and started the process. But some things happened at home and I got distracted and ended up shutting the computer down, with those setting saved. When i restarted the computer it worked normal. Oh, I am using the DVI port at this point. Giving it some thought about what I did, I rechecked in Clover Configurator and sure enough all values were blank for Fake ID, Inject Intel and ig-platform-id.
At this point, I restarted the computer using only the HDMI port and it worked fine. I then restarted the computer using both HDMI and DVI ports using two monitors. They both worked while going through the loading until a second before the sign in screen for the OS. Then they both went black. I then tried one monitor at a time, starting the system, then plugging in the other after logging in. No good, just 2 black screens.
Anyways, I was surprised both HDMI and DVI monitors would work if only using one at a time. And when I say work, I mean with full acceleration and showing up properly in "About This Mac".
And if it helps anyone, I am happy to share the info for my ASRock MB. It is not complete with VGA so I don't think it is helpful to be added into the Patches List at the end of the guide.
Thanks
Thaigyver