Big Sur boots into language select but keyboard and mouse not working

Hello,

So, I'm installing Big Sur using Opencore 0.6.5 but keyboard and mouse stuck at the installation / language select ... i tried clover, same results, changed keyboard and mouse, still the same.

currently running Catalina and they work just fine.

My specs:

CPU: 12-Core Intel Xeon E5-2695 v2, 3100 MHz (31 x 100)

Motherboard Name: Lenovo ThinkStation S30

Motherboard Chipset: Intel Patsburg C600/X79, Intel Ivy Bridge-EP

Video Adapter: AMD Radeon RX 5700 XT ASROCK

Audio Adapter: Realtek ALC662

My EFI folder:

https://drive.google.com/drive/folders/1PF61rTkNoxzs0ld5qbKcP5LBqQgDir5T?usp=sharing

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Any help would be appreciated ^_^

Thanks!!