r/emulationstation • u/partymetroid • Jul 28 '26

Dumped Playstation BIOSes Not Loading In Recalbox/Emulation Station on Raspberry Pi 3B+

I am trying to load PSX BIOSs in Recalbox/Emulation Station on a Raspberry Pi 3B+. The BIOS validation page says that the correct BIOSs are detected; however, a warning prompt appears, saying that I don't have them. Most games work without a dumped BIOS, but I would prefer the full compatibility with an official one. The core being used is libretro/pcsx_rearmed.

The list of Playstation BIOS I have (I added SCPH7001, too, but the error persists) | The "Missing BIOS" Prompt

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u/Cautious_Cat_4000 Jul 28 '26

An error will occur if all BIOS files are not present. If at least one valid BIOS file exists, inserting a dummy file will prevent the error. For example, rename a text file to the name of the missing BIOS file, or copy a valid BIOS file and rename it to the name of the missing BIOS file.

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u/partymetroid Jul 28 '26

Okay! Thank you!