Then use Tony's Logo Editor, Kernal Flash thingy pointed at that downloaded file, with the COM cable plugged in.

Yes, that is correct.

Make sure to read the FAQ Entries on volume differences so you understand what's going on.

Also, how do I get to the config.ini ? to adjust the settings and will I need to ?

Again, this is a FAQ Entry.

While you're at it, why not give the whole FAQ a quick skim?