Cvit on Twitter: "Anyone who knows shit about PSX repairs. I am trying to figure out why my console won't read discs even with a replaced laser. Poked everything with a multimeter
Looking at the PlayStation BIOS interface | Drew1440: Blog
PS1 oddity? Is this a SCPH-1001 or a SCPH-5501??? : r/psx
PSX Bios - Playstation PS1 Bios (SCPH1001.bin) - Download
PSX Bios - Playstation PS1 Bios (SCPH1001.bin) - Download