ePSXe is an emulator of the PlayStation video game console.
As with most modern-day emulators, ePSXe requires use of a plugin for graphics, sound, and CD drive (depending on operating system) to function, a requirement first established with PSEmu/PSEmuPro. ePSXe also requires the use of a BIOS file dumped from a PlayStation. This produces a legal problem, as it is illegal to download the BIOS. Technically, the only legal way to use ePSXe is to dump the BIOS from a PS1 yourself.
ePSXe can run from CD and many types of CD images directly from the user's harddrive. With few exceptions, it is capible of flawlessly emulating many Playstation games.
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