DCB Table problem

[IkkyPhoenix]

Hi, i'm trying to generate a NVCAP for a 680M.
I have two bios that works on my laptop.
One gives me: "DCB Header is at 0xffff with length 0xb2
DCB Version 2.13
To old version - GPU incompatible with macOS
Invalid DCB Signature"
The other:"DCB Header is at 0xffff with length 0xe4
DCB Version 11.2
Unknown version
Invalid DCB Signature"
Is there hope for this board?
Thanks!

[1Revenger1]

I was never able to read the DCB from 5xx series and above - it's in a difference location and needs to be treated differently. I haven't found any sources or code though on how to handle 5xx and above, so for now you are out of luck