[Guide] Acer TravelMate X349-M-535L

[krandv]

ok, I figured out that I should patch AppleIntelSKLGraphicsFramebuffer. I've added the following patches basing on this topic https://www.tonymacx86.com/threads/guide-workaround-using-intel-hd530-with-dual-monitors.214125/

Find: <01050900 00040000 87010000>
Replace: <01050900 00080000 87010000>
Name: com.apple.driver.AppleIntelSKLGraphicsFramebuffer

Find: <02040a00 00040000 87010000>
Replace: <02040a00 00080000 87010000>
Name: com.apple.driver.AppleIntelSKLGraphicsFramebuffer

The connector-type for both AppleFramebuffer@1 and AppleFrameBuffer@2 changed to HDMI, but the external display is not detected still.

Attached the updated config.plist and output of ioreg

 

[krandv]

Changed SMBIOS from iMac17 to MacBookPro11,1 and it works now!!!

4K, 30 Hz - expected through HDMI

 

[RehabMan]

but didn't get where do you take values like 0105, 0204, 0306, 87000000 from and what values I should use for the patch.

They are in the framebuffer data.
You can look at all of it:
Install Hex Fiend.
In Terminal:

open -a "Hex Fiend" /System/Library/Extensions/AppleIntelKBLGraphicsFramebuffer.kext/Contents/MacOS/AppleIntelKBLGraphicsFramebuffer

In Hex Fiend, search for a known ig-platform-id, for example, 0x59120000 is hex search for '00 00 12 59'
Each ig-platform-id is 184 bytes (in this kext and SKL).
It helps to expand the Hex Fiend window to 23 columns (need a big screen, 184/4/2=23), because then you can see each ig-platform-id lined up vertically (every other row).
You will find the table starts with 0x591e0000 and the last is 0x591b0106. The 0xFFFFFFFF signifies the end of table.

 

[RehabMan]

Changed SMBIOS from iMac17 to MacBookPro11,1 and it works now!!!

Not surprising... iMac17,1 is a poor choice for a laptop.

4K, 30 Hz - expected through HDMI

4k/60 will probably work better if you patch the connector-type for HDMI.

 

[xenatt]

Can you share EFi folder and config file?
Please