Instead, the PS3 has a real PS1 CPU inside it (a hybrid R3000 core). This means —even on the Slim models that lost PS2 backwards compatibility.
Some poorly converted PKG files can corrupt your internal PS1 virtual memory cards. Always back up your saves using Apollo Save Tool or a simple USB export. Ps1 Pkg Games For Ps3 Download
PS1 PKG files are installable digital packages that allow the PS3 to run PlayStation 1 games directly from its internal hard drive. While the PS3 can play physical PS1 discs natively, the PKG format emulates the "PS1 Classics" sold on the PlayStation Store, providing a convenient digital library on the XMB menu. Instead, the PS3 has a real PS1 CPU