PSX protection (newbie)
 

do I need a mod chip to play backup games if I use a patch or can one simply copy it, patch it and play on a non modified psx

For any other questons you have then please use the search function, but as you are a newbie and we all started some where then i will answere your question.

Yes you do require a mod, either internal or external regardless of what psx you have and what ever others may have told you!