You need to go to Diamond/S3/Sonic Blue/whoever the fuck they will be tomorrow's web page and like for something like a formatting tool for Rio PMP 300. I'd provide direct linkage, but I'm too lazy to ...
If you're a keen photographer, you probably have a lot of memory cards that need to be wiped. Here's how to format SD and microSD cards safely within macOS. One of the problems with having a camera ...