![]() This prevented games from other regions to be played, but it also prevented unlicensed copies of the game as these do not have a watermark at all, so in the eyes of the PS1, an imported game is no different from a pirated game.Īlthough there are a few ways to circumvent this security, like the expansion port on early PS1 models that was later removed, there are two other mainstream ways I will review here. ![]() When the PS1 reads this watermark from the game it compares it to the one it internally has, if it matches, the system boots the game, otherwise, it refuses to boot anything from it. The region code was also hardcoded into the system. These games had one thing different from conventional CDs: they have a special water-mark that can only be produced when pressing them and contained the regional code of the CD. ![]() Many thought the PS1 security was based on the discs being black rather than white/yellowish like most recordable CDs, but we all know that’s bullsh*t. The PS1 however did it differently, and although I’ve already reviewed its security measures some time ago, I will briefly go over it again. The PS1, much like the NES and SNES before it, used one single security measure for both preventing unauthorized games and imported games from playing.
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