Create a new folder within the EPSXE directory (e.g., C:\epsxe\bios) and place the BIOS files (usually named PS1.BIN, PS1_APJ.BIN, and PS1_DTC.BIN) in this folder.
Create a new folder within the EPSXE directory (e.g., C:\epsxe\bios) and place the BIOS files (usually named PS1.BIN, PS1_APJ.BIN, and PS1_DTC.BIN) in this folder.