Just to clarify my situation — I believe there may have been a misunderstanding.
My RX 570 (PowerColor Red Dragon 4GB) works perfectly in other PCs. I’ve tested it on multiple systems and it boots fine, displays video, and runs games normally. So its vBIOS appears to be fine.
However, when I install the RX 570 on my ECS H61H2-M2 v1.0 motherboard, the system does not boot, does not post, and does not output any video. I have tried:
Multiple BIOS versions for this motherboard, including H61H2-M3 v1.0 (in case of internal compatibility).
CMOS reset, different PSUs, and different RAM configs.
Multiple working GPUs (GTX 750 Ti, HD 7750, etc.) — they all work.
Only the RX 570 fails to boot, but again, it works fine in other machines.
After some research, including threads and YouTube examples, it appears this is a well-known issue with many older H61 motherboards that do not support modern AMD/NVIDIA cards that require UEFI initialization unless a GOP driver is present in the motherboard’s BIOS.
I have already attempted to inject Intel GOP into a BIOS dump of my H61H2-M2, but it failed due to limitations in the ECS BIOS structure — which lacks space or support for a hybrid UEFI/Legacy config.
That’s why I initially mentioned the idea of a “magic GOP” — but it’s not about patching the vBIOS of the GPU itself — it’s about modding the motherboard BIOS to support UEFI boot for modern cards like the RX 570.
Since when a external/dedicated GPU card vbios is inside the mb bios??? Are u f**** kidding with me???
Did i mention earlier any modification to a mb bios?!?!?!?
You did…where? So, you know about this patched 1.69 version you never applied why?
Sir…the “Magic” GOP 1.69 is NOT to inject/mod the mb bios, it’s to add the EFI GOP driver to gpu card having this way the existent legacy vBios and also a EFI DXE driver…this allowing the card to boot on “PURE” (CSM OFF) UEFI boot systems.
This is the official AMD vbios RX570 with GOP 1.62
