PS1 BIOS Download for DuckStation & ePSXe

Name | PSX Bios – Playstation PS1 Bios (SCPH1001.bin) |
Publish | 12 Apr 2025 |
Console | Bios > Emulators > PlayStation (PSX) Emulators |
Size | 891 KB |
Downloads | 16488 |
Download PS1 BIOS Files for All Regions – USA, PAL, NTSC, NTSC-J

SCPH1001.BIN – (USA)

SCPH7502.BIN – PA

SCPH5500.BIN – Japan

SCPH7003.BIN – Worldwide
If you’ve been trying to play your favorite classic PlayStation 1 games using an emulator like DuckStation or ePSXe, you’ve probably come across the term PS1 BIOS. But what exactly is it, and why do you need it?
If you’re also interested in playing PS2 games on Android, check out our AetherSX2 APK for a smooth emulator experience.
We’ll explain everything in simple terms, from what the PS1 BIOS is to how to safely add it to your emulator.
What Is a PS1 BIOS?
The PS1 BIOS (Basic Input/Output System) is a small file that acts as the operating system for the PlayStation. The emulator needs to run PS1 games properly. Without it, many emulators won’t even load your games, or they may crash or run with bugs.
Why is PS1 BIOS necessary for emulation?
If you want to emulate PlayStation 1 games on your PC or mobile device, you need a BIOS file:

Why Is the PS1 BIOS Download Important?
Here’s are discussion on why the BIOS file is so important for PS1 emulators:
PS1 BIOS Types by Region
To get the best performance when using a PlayStation emulator, it’s important to choose a BIOS file that matches the region of the game you’re playing. Some emulators also let you load multiple BIOS files for extra compatibility. Below are the most commonly used PS1 BIOS files:

1. SCPH1001.BIN (USA)
This is the standard BIOS for North American games. It’s one of the most widely used because it works well with most U.S. and Canadian titles. It’s fully supported by emulators like ePSXe, DuckStation BIOS, and RetroArch.
2. SCPH7502.BIN (Europe/PAL)
This BIOS is made for European (PAL) games, which have different video settings than North American ones. It helps keep everything synced correctly, especially video and audio, when playing European releases.
3. SCPH5500.BIN (Japan)
If you’re into Japanese PlayStation games, this is the BIOS you need. It’s best suited for running popular Japanese titles like JRPGs and other region-exclusive games with smooth and accurate emulation.
4. SCPH7003.BIN (Multi-Region)
This one isn’t tied to a specific region and works with games from different parts of the world. It’s a flexible option for gamers who play a mix of U.S., European, and Japanese games.
Here’s a list of additional BIOS files that gamers have used for specific regions or systems:
SCPH-1000 (Japan) | SCPH-7002 (Europe) | SCPH-5552 (Europe) |
SCPH-1002 (Europe) | SCPH-7501 (USA) | SCPH-7000 (Japan) |
SCPH-3000 (Japan) | SCPH-9002 (Europe) | SCPH-7001 (USA) |
SCPH-3500 (Japan) | SCPH-100 (Japan) | SCPH-102A (Europe) |
SCPH-5000 (USA/Canada) | SCPH-101 (USA) | SCPH-102B (Europe) |
SCPH-5501 (USA) | SCPH-5502 (Europe) |
Key Features of PS1 BIOS for Emulation
A valid BIOS file doesn’t just run your emulator. It enhances the overall experience with these features:
Why You Need for Emulation
Here’s why the BIOS file is essential for smooth PS1 gameplay:
Feature | What It Does |
---|---|
✅ System Boot | Emulates PlayStation startup and loading |
🎮 Game Support | Helps run most PS1 games correctly |
💾 Save Data | Enables memory card saving/loading |
🌍 Region Unlock | Lets you play NTSC/ PAL/ Japanese games |
🛠️ Stability | Reduces glitches and crashes |
Supported PS1 Emulators for Android, iOS and Windows
You can use our PS1 BIOS files with some of the most reliable emulators out there. They work smoothly and help deliver a great gaming experience on Android, iOS, and Windows.

ePSXe (PC & Android)
ePSXe is a popular emulator known for its accuracy and easy-to-use interface. It works great with a wide range of PS1 games and performs best when paired with the right BIOS files. It also includes helpful features like chat support, controller customization, and save/load options that are perfect for both beginners and experienced gamers.
DuckStation (PC & Android)
DuckStation is another top emulator known for its speed and smooth performance, even on budget devices. It supports high-resolution graphics, works well with PS1 BIOS files, and offers features like widescreen display and improved graphics with PGXP. It’s a solid choice for a high-quality emulation experience.
RetroArch (Android, iOS, PC)
RetroArch is a powerful multi-system emulator that uses the Beetle PSX core for PS1 games. It supports a wide range of devices, including Android, iOS, PC, and even consoles like the PS3, With advanced settings options, custom shaders, and full BIOS support, RetroArch is ideal for anyone who wants to play classic games on a variety of platforms.
Step-by-Step Guide: How to Setup & Install PS1 BIOS on Emulators
Before you can start playing your favorite PS1 games on the emulator, you’ll need to set up the BIOS file correctly. Don’t worry. It’s much easier than it looks. Just follow the steps below to get everything running smoothly.
Installing PS1 BIOS on ePSXe
ePSXe is a popular PlayStation 1 emulator for Android and PC that provides a great gaming experience. If you are using it on an Android device, here is how you can easily configure the PS1 BIOS.
How to Install PS1 BIOS on ePSXe on Android:
ePSXe is one of the top PlayStation 1 emulators for Android and PC. If you want to play classic PS1 games on your Android phone, here’s how you can set it up:
Step 1: Get the BIOS File
First, download the PS1 BIOS pack. Make sure it’s the correct version that supports most games.
Step 2: Extract the BIOS
The BIOS file usually comes in a ZIP file. Use an app like ZArchiver to extract it on your phone.
Step 3: Install ePSXe Emulator
Go to the Play Store and install the ePSXe app, or download it from the official ePSXe site.
Step 4: Set Up the BIOS in ePSXe
Step 5: Start Playing
Once the BIOS is ready, go back to the home screen. Tap Run Game, and the app will search your device for PS1 game files.
Install PS1 BIOS on ePSXe on PC
If you want to play PS1 games on your computer? Follow these steps to set it up:
Step 1: Download BIOS
Get the PS1 BIOS pack from a trusted site. Make sure the BIOS version is compatible with your games.
Step 2: Install ePSXe on PC
Download the latest version of ePSXe from its official site and install it like any regular program.
Step 3: Configure the BIOS
Step 4: Play Games
Once the BIOS is loaded:
Conclusion
You can start playing PlayStation 1 games on your PC using the PS1 BIOS file. It helps the games run smoothly and in high quality on emulators like DuckStation, PSXfan, and Mednafan. This way, you can enjoy your favorite PS1 titles without any issues.