[Request] Thinkcenter m93 GPU blacklist removal

Hi, I noticed that my lenovo thinkcenter m93 (full-sized desktop) can't use any GPU apart from the OEM one, even with a new powerful PSU. What happens is that the computer boots with the GPU in, and gets stuck at the lenovo logo and can't boot into anything, even using the boot menu. I can access the bios settings though.

Here's a link to the latest bios revision for the computer.
https://support.lenovo.com/us/en/downloads/ds036974
In the hopes that you can help.