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Big Sur Legacy USB Problem OpenCore


xKaoSx
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Hi everbody.

I am try my EFI install for macOS Big Sur. Install screen opened but not USB keyboard and mouse working.(SMBIOS 15.1)

Same EFI not problem HS, Mojave, Catalina.(with SMBIOS 14.2)

USB devices NM10/ICH7 Family 

My computer specs

MB : Gigabye GA-G41M-Combo

CPU : İntel Q8400

GPU : RX580

Ram : 8 GB DDR3

My EFI folder Attachment

GA-G41M Combo EFI.zip

Edited by xKaoSx
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9 hours ago, sunnyboy958 said:

Sorry for my English,

     You can use smbios imac14.2 install with bootflag “-no_compat_check”.

Thanks bro, I am try but not effect. All USB ports disable in setup screen.

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Thanks bro but problem IOUSBHostFamily.kext, Catalina IOUSBHostFamily.kext have a AppleUSBEHCI.kext and AppleUSBEHCIPCI.kext Big Sur IOUSBHostFamily.kext is not have AppleUSBEHCI.kext and AppleUSBEHCIPCI.kext.

I am try OpenCore injectkext AppleUSBEHCI.kext and AppleUSBEHCIPCI.kext.

Only InjectKext AppleUSBEHCIPCI.kext install screen open but not working USB.

OpenCore injectkext AppleUSBEHCI.kext and AppleUSBEHCIPCI.kext Kernel Panic system. 

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  • 5 months later...
On 8/13/2020 at 6:40 AM, xKaoSx said:

Hi everbody.

I am try my EFI install for macOS Big Sur. Install screen opened but not USB keyboard and mouse working.(SMBIOS 15.1)

Same EFI not problem HS, Mojave, Catalina.(with SMBIOS 14.2)

USB devices NM10/ICH7 Family 

My computer specs

MB : Gigabye GA-G41M-Combo

CPU : İntel Q8400

GPU : RX580

Ram : 8 GB DDR3

My EFI folder Attachment

GA-G41M Combo EFI.zip 3.39 MB · 14 downloads

hi sorry for disturbing with another question related the MB GA.G41M Combo... i have it too, but rev 2.0... I have a problem when I install High Sierra, after the first reboot of installation I can't see on OpenCore in the menu the Installer on SSD to continue the installation, any idea? I don't know why but I think is some bios option? I use enhanced for the sata... dunnow, can you share you bios options?

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