PSX BIOS v1 HD Theme for Autobleem : r/PlaystationClassic
BIOS Swap? - PlayStation Development Network
Smoother, HD PS1 BIOS Classic theme : r/PlaystationClassic
PSP PS1のBIOSファイルをダンプする方法
PS1-PSX) BIOS (1994,2006-2018) remakes by ArianVP on DeviantArt
scph1001.bin
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
PlayStation PSX / PS1 SCPH-1002 - Bios Menu Screen - YouTube
SCPH-1002 BIOS corrupt. - PlayStation Development Network