These determine how the game looks. Plugins like Pete's OpenGL2 or Pete's DX6/DX7 D3D allow you to upscale internal resolutions, apply anti-aliasing, and force widescreen ratios, making classic games look stunning on 1080p or 4K monitors.
The first time you launch ePSXe.exe , it should trigger the . If it doesn't, go to Config > Wizard Guide . BIOS: Select your SCPH1001.bin file.
Pete's OpenGL2 or P.E.Op.S Soft Driver (for accuracy).