MicaGX470

https://drive.google.com/file/d/0B0ez4rkJLu_VeXZmeDdVOTJ3U00/view?usp=sharing

This worked for me and kept the override features. As mentioned, it took some button pushing to get the region selection to come up before I could enter an address.

I purchased a 13.1 disc off of ebay. Before putting it in, I copied the disc and replaced the loading.kwi file from my original 4.1 disc. I then used ImgBurn at 1x to burn the files to a DVD+R DL disc. I then put the disc back into the GPS. It booted right up. I tried to put in an address, but it didn't work. So I started clicking around on Map Disc button, then going back and selecting things like Memory Points, etc. Finally I was able to select my Zone. Not sure if it was the click or just waiting the 1-2 minutes. After that, new maps with Override still functional.

To thank the community for all their help, I am currently uploading the iso and will post the link when ready.