You will need a modchip before you can play backups on a saturn.
I use SRP and it is very easy just select the disc image then tick the checkbox for your region and click patch you can do it in seconds. it literally takes seconds to do. Alternativly you could grab an action replay giving you 1mb,4mb expantion memory storage and Region free capabilities.
Another option is region switch mod the saturn but thats a bit more tricky.
Also do not burn your patched images with nero it will remove the patch thinking its an error more info in the SRP readme