Scph5501.bin Missing

Put it in the bios folder within your DuckStation directory.

Check your emulator's log (often under Tools → Show Log ) for the exact path it's looking for. Some emulators are case‑sensitive on Linux.

Many emulators, especially on Linux or Android, are case-sensitive.

The error "scph5501.bin missing" occurs when a PlayStation 1 scph5501.bin missing

Different emulators look for system BIOS files in different locations. Find your emulator below and move the file into the designated folder: 1. RetroArch

: Place it in the bios folder within your DuckStation user data directory. Verify the Location :

Different emulators look for the BIOS file in different folders. Locate your emulator below to see exactly where to paste your file. For DuckStation Open DuckStation. Click on in the top menu, then select BIOS . Put it in the bios folder within your DuckStation directory

Which you are using (DuckStation, RetroArch, ePSXe, etc.) What operating system you are on (Windows, Android, Mac)

Here’s what that file is and how to fix it.

Android and Linux-based operating systems (like Retropie or SteamOS on the Steam Deck) are strictly case-sensitive. Ensure the file is completely lowercase ( scph5501.bin ), not SCPH5501.BIN . Many emulators, especially on Linux or Android, are

: Drop scph5501.bin directly into the system folder. Do not place it inside subfolders unless specifically using a core that requests it. 2. DuckStation

This guide will explain exactly what this file is, why it is missing, and how to fix it across various emulators. What is scph5501.bin?

When an emulator starts, it looks for a legitimate BIOS dump. If it cannot find scph5501.bin (or its regional equivalents), it will refuse to run games, displaying the “missing” error.