I do it for the community and to break one of the last hackintosh wall
- I don't use GPIO3 Force Power because I don't have it on BIOS (only last Maximus firmware). Asus had remove it ! You should disable it for one time to see what happen. Better is to test with and without it.
- Right, but on first time, we need to have magic Thunderbolt Local node tree.
- Suggest to do all tests with NO devices connected on two thunderbolt ports >> one COLD BOOT, extracting ACPIDebug log and IoReg screenshot, >> one HOT BOOT , extracting ACPIDebug log and IoReg screenshot.
- "PCIHotplugCapable" is Zero (like Macs), probably for drivers ?!
On Z270 Maximus, UpstreamBridge device-id is 0x15D3 which is different for Macs TitanRidge and AlpineRidge (0x1578) .. Drivers seems to work well with it ... for the moment.
UPDATE: Geekbench 5.1.0 OpenCL performance with OMEN Accelerator EGPU case / Sapphire RX580 PULSE have 39077 score .. which is good ?! .. or not
UPDATE2: Screen shot of the magic button for safely extract EGPU:
Which method or device of special MUX are you refer on SSDT ?