2021 | Fps2bios

PS2 games were region-locked (NTSC-U for US, PAL for Europe, NTSC-J for Japan). The BIOS determines which region's games can be played.

FPS2BIOS could be invoked via command-line switches, as documented in the FPS2B.TXT file (now lost, but quoted in Usenet archives). fps2bios

There was no official uninstaller.