Super Famidoctor is a utility for the Super Nintendo Entertainment System with which you can test your joypads and sound configuration. You can run Super Famidoctor both on a real console and in emulators.
I may try the new ram site, and download more RAM to my Switch. Not sure if ddr3 is the right ram
for it tho. Edit- no it uses floppy Ram, just like @AncientBoi