@labeanchik
Here is your bios, you have to flash with an SPI programmer to downgrade the ME region to 11.6:
Based on: 7.50 ME: 11.6.0.1126 Microcodes: 06EB(0x84), 06EA(0x84), 06E3(0xC2) Tested with: G3900, 8700K
All credits to @DARPA on discord.
AsExtr-4-7.50.zip