Yes it is essential the firmware matches the jumper settings. You can change the firmware settings to match what you are using instead. That will probably be in a config file somewhere, I'm not familiar with sprinter though.
Although, it is sometimes better to only change one thing at a time, especially if you are proving out freshly made hardware :)
Although, it is sometimes better to only change one thing at a time, especially if you are proving out freshly made hardware :)