I believe thats the same thing as spoofing the dev ID through clover/opencore...By any chance, have you tried to do "the other way around"..?? try to change the original bios id 6FDF to id 67DF..?? I tried, and it didn't work...
Thanks! Im actually using a CH341A clipped directly to the bios chip, and I've backed up the original bios first thing. So Im able to roll it back to stock any time.Hello.
Here you have a short guide:
AMD/ATi Flash Command Line (CMD) Syntax Mini Guide (WINDOWS)
This is a Guide Thread Only, not an asking for help thread. If you need help, start a new thread, do not post in here as it will be reported and possibly deleted. This is a Mini Guide to using AMDVBFLASH/ATi Flash. DO NOT USE WINFLASH it has been discontinued and rearely ever worked Make...www.techpowerup.com
and recover guide :
How to recover from a bad video BIOS flash
Almost every day there are new threads regarding bricked graphics cards due to wrong BIOS flashing, and since eidairaman1 is no longer around to help, here is a guide how to deal with a bad VGA BIOS flash. Find the correct BIOS First off, you'll have to find a copy of the original BIOS. In case...www.techpowerup.com
The problem seems to be finding an alternative bios with the same physical ports configuration.
I've got this RX470 bios to "work":
I guess I'll give up on this. I just flash the card back to original and sell it. With the amount of time I've spent on this would have been much better to get a real RX580 in the used market...
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