How to disassemlbe/edit PSX BIOS ? - PlayStation Development Network
PlayStation BIOS files (NA/EU/JP) for Mednafen : Sony : Free Download, Borrow, and Streaming : Internet Archive
Ps1 Bios mod w Mayumi v4 mod chip 🤘🏻 : r/psx
SCPH-1002 BIOS corrupt. - PlayStation Development Network
VideoGameX Forums
PlayStation (1991) BIOS Remake Preview by AnthonyTheLogoRemake on DeviantArt
Will's Console Modifications on Twitter: "PS1 replacement BIOS chips are soon available ;) These pre-flashed chips will contain any BIOS you like, this is useful for Japanese machines that have extra region
PSX Bios - Playstation PS1 Bios (SCPH1001.bin) - Download
mega.nz] PlayStation BIOS Mega Thread - (PSX) - Sony PlayStation - NextGenRoms