PlayStation / PS one SCPH-102 - Bios Menu Screen - YouTube
pSX Tutorial | Video Game Emulation for Newbies
Smoother, HD PS1 BIOS Classic theme : r/PlaystationClassic
Yes, The PS1 Boot Logo Was Actually 3D This Whole Time - GameSpot
splash00 // SCPH-1001 Corruption | Theme Plaza
Sony Playstation 1 Replacement BIOS PCB
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
Looking at the PlayStation BIOS interface | Drew1440: Blog