The acquisition of these files presents a significant legal and ethical crossroads for the emulation community. Legally, the only authorized way to obtain a BIOS file is to dump it directly from a physical PlayStation console that the user personally owns. However, the reality of the internet has led to the proliferation of "abandonware" sites where these files are hosted for direct download. While convenient, downloading a BIOS from a third-party website technically constitutes copyright infringement, a fact that forces emulator developers to exclude the BIOS from their official app packages to avoid legal repercussions.

The most common BIOS files required are: