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Fixed. SMBIOS: iMac18,1 AAPL,ig-platform-id: 00001259 Boot args: igfxagdc=0

At now graphics working 50/50. I have partically video accel in os (smoother mouse movements), but windows collapsing are laggy. In game fps normal and no lags. And i have colors bug, like a sepia: This effect with this parameters: AAPL,ig-platform-id : 00001259 device-id : 12590000...

Yes, I may have blotted out a duplicate line somewhere - I've had many iterations, could well have accidentally left. But its not reason why graphics not work.

Okay. Now monitor is showing picture, but no graphics acceleration. If delete device-id, monitor stopping work. EDID not change anything, monitor showing like Unknown Display and not hw accel.

Same. My tests give result with this: framebuffer-con0-alldata | Data | port 1 (ie. `01000900 00040000 C7030000`) framebuffer-con1-alldata | Data | port 2 (ie. `02000A00 00040000 C7030000`) framebuffer-con2-alldata | Data | port 3 (ie. `03060800 00080000 C7030000`) with this monitor not...

Monterey (12.7.6) DVMT - 64MB For my case getting EDID only via ubunut livecd?

Any conX not reacting for set type 00080000 and display not showing in ioregexplorer. Connecting using VNC. Changed SMBIOS to "iMac 18,1". On mobo have only VGA and HDMI, no DP. IOReg and current config: https://drive.google.com/file/d/1oOCduxqD8n3tW59dgyWIhK7C6e1ppcPA/view?usp=sharing

I tried "Mac Mini 8,1" like in my friend config, before i used iMac 18,1 and 18,3. For test*

With "-igfxvesa" installed and working, but the problem is how to use it without "-igfxvesa". Tried big count of combination PciRoot(0x0)/Pci(0x2,0x0) paramerts with: igfxonln= 0 and 1 -wegnoegpu ... all givining same result, after verbose no video output SMBIOS "iMac 18,1 and 18,3" not...

I'll keep that in mind, it's just that they usually write 64M or more. Used before - 1.7.0 / Working - 1.6.5

It worked, downloaded whatevergreen another version. Thank for help!

I tried disabling "Load Early" and adding the "-igfxvesa" boot argument - the result is the same. If DVMT refers to the iGPU memory size, I have it set to 128M. I also tested with 64M and 512M, but the result didn’t change. All BIOS options:

After booting "Install MacOS Monterey" and getting some fast messages after "validating root dmg" - no video input on monitor. USB 2 Ports not working, getting "failed to get local signing public key e00002bc", only usb 3.0 can boot up to "validating root dmg". PC Specs (Acer Veriton ES2710G)...