Yeah, I did search and read through a number of posts. However, the posts I read didn’t seem to offer up all the answers or post flash feedback/results. In this post: POST, the OP seemed to leave it open that additional data needed to be inputted but didn’t elaborate on it.
I was able to inject the NvmExpressDxe into the 4801 version of the stock BIOS, but I didn’t fully understand the process related to the extraction of the body from the UEFITool, modding, and then reimporting the body. When I attempted it on my own, I got an error message when trying to flash. “Security Verification Failed” via the ASUS EZ Flash utility.