iMac 27 Late13 How to Dump GTX 780 EFI ROM ?

[smgfreak]

Hi,

need some help , i am trying to dump the Nvidia GTX 780 Mac Efi Rom from my iMac27 late2013.

i did boot win7 used nvflash as CMD.exe (admin), but there was a Error could not read the EPROM !

 

[MacVidCards]

I can't speak for that particular model but Apple includes the rom in the base machine's boot rom in many instances. I know my rMBP has this issue.