Grab the ps1_rom.bin bios from the PS3 firmware | Recalbox Wiki
PS3 Update to System Software 4.89: Here's a Full Guide for You
Sony PlayStation 3 Firmware 4.90 Download | TechSpot
Is there something wrong with how I'm placing my ps3 firmware? Does it not go in bios couldn't find much online from what I'm aware this should work? : r/EmuDeck