The PlayStation 3 has now opened a site for backward compatibility checking of PS and PS2 titles. Just enter the game title here at PlayStation Support site. Here’s a sample result of Final Fantasy VII title check:
Final Fantasy VII
Publisher: Sony Computer EntertainmentProduct No: SCUS-94163
Description: On Disc 1, when the first battle begins at the Mako Reactor, a flashing black square appears around the user’s character’s pointer.
