PS1 BIOS (Official) Download for DuckStation, RetroArch & ePSXe-Emulatoren (2025)

Are you new to emulation? Or are you a retro gaming enthusiast? Welcome to the official page of resources for downloading the PS1 BIOS file for your devices. This page is your go-to source to play PlayStation 1 games on your preferred device; with these essential bios here and the step-by-step guide, you do not need to look elsewhere. Now, the original console is required.

At PSBIOS.Online, we provide safe, secure, and reliable PS BIOS files and appropriately detailed guides in simple ways so you can use popular emulators like Duckstation, RetroArch, and the ePSXe emulator. Each file we provide here is first checked in depth by our team. You can easily download and use it. Not only that, but if you are looking for PS2 emulation, we have also got you covered.

You can find our dedicated page for the PS2 BIOS download. On this page, you will learn about different types of PS1 BIOS files and a detailed guide on how to install them on popular emulators. Everything you need to start playing your favourite PS1 games again is right here.

Playstation-logo

What is a PS1 BIOS?

The PS1 BIOS is a small software built into the original PlayStation console. It helps the system start up and makes sure games run smoothly. Like the PS1, other consoles, such as the PS2 and PS3, also need their own BIOS files to work correctly. Whenever you play a game on a PS1, the BIOS checks the game disc, ensures it’s from the right region, and gets the system ready to play.

For emulators like ePSXe, RetroArch, and DuckStation, the PS1 BIOS is just as important. These emulators copy how the PlayStation works but need the BIOS file to function correctly. Without it, you won’t be able to play your PS1 games.

Why Do You Need a PS1 BIOS for Emulation?

Without a working BIOS file, the PS1 console can’t play games or do basic tasks; the same goes for emulators on your phone or computer. The BIOS is key for proper emulation because it helps the emulator act like a real PlayStation.

Here’s why the PS1 BIOS is essential for a smooth and accurate gaming experience:

Authentic startup

The BIOS files help your emulator to work like a real PlayStation, assisting the games to run like they run on the original one

Enhancing compatibility

The BIOS manages game loading & saving, acting as a memory card system on a PlayStation 1.

Unlocking emulator

A BIOS file helps emulator to work like a real console by mimicking the original console’s firmware.

Bug Fixes

Emulator can crush or have bugs with out emulator. with the helps of BIOS it keeps the game run smoothly.

Types of PS1 BIOS Files by Region

When selecting a BIOS emulator, choose based on your region for maximum performance and compatibility; some emulators support more than one BIOS file, giving you more flexibility. Here are the top four most-used PS BIOS types.

SCPH1001.BIN – USA (NTSC-U)

The SCPH1001.BIN is North America’s most popular BIOS file for playing PlayStation games. It’s one of the top, well-known BIOS files working smoothly for US and Canadian game titles. This BIOS file performs excellently on popular emulators, making it a necessary choice for playing PS1 games. North American and Canadian gamers

SCPH7502.BIN – Europe (PAL)

This BIOS file is specially designed for European regions. PAL games run at different frame rates and resolutions compared to NTSC games. This BIOS makes sure to keep the video and the audio in sync. Which makes it the best choice for playing European titles

SCPH5500.BIN – Japan (NTSC-J)

Suppose you are looking to play Japanese PlayStation games. SCPH5500.BIN is the best choice for you. Because it’s one of the most used for Japanese RPGs and JRPGs, it helps those games run smoothly on the ePSXe and RetroArch emulators. 

SCPH7003.BIN – Multi-region

The SCPH7003.BIN BIOS file is not limited to one region. It is a universal BIOS file that works with all the games from different areas, making it a top choice for players who want to emulate titles from other regions.  

We’ve also included a few other BIOS files that were shared by different gamers:

  • SCPH-1000 [NTSC-J]
  • SCPH-7002 [PAL]
  • SCPH-5552 [PAL]
  • SCPH-1002 [PAL]
  • SCPH-7501 [NTSC]
  • SCPH-7000 [NTSC-J]
  • SCPH-3000 [NTSC-J]
  • SCPH-9002 [PAL]
  • SCPH-7001 [NTSC-U/C]
  • SCPH-3500 [NTSC-J]
  • SCPH-100 [NTSC-J]
  • SCPH-102A [PAL]
  • SCPH-101 [NTSC-U/C]
  • SCPH-102B [PAL]
  • SCPH-5502 [PAL]
  • SCPH-5000 [NTSC-U/C]

Key Features of PS1 BIOS for Emulators

The PS1 BIOS is not a simple connection for hardware and software, but it helps in many ways, from improving the emulation experience with several essential features to many other factors. Here are some of the key points. 

Authentic Boot Animation

The PS1 BIOS recreates the PlayStation startup, showing the Sony logo and familiar sounds and adding an original touch by returning a nostalgic feel and sound as the original console. 

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Improved Game Compatibility

A good BIOS file guarantees excellent compatibility, enabling the emulator to run smoothly on all PS1 games. Use the region-specific BIOS files to ensure 100% compatibility with different games.  

Save Data Management

The BIOS files handle memory cards, making it more straightforward to save and load games directly on your devices; this helps manage game data more than the original hardware. 

Save-data-managemnet.
Region-lockout

Region & Language Support

You can skip region locks while choosing the correct BIOS file, making it easier to play games from North America, Europe, or Japan without limits. 

Accurate Firmware Emulation

The BIOS copies the original PlayStation 1 system, which helps the emulator work like the real console and gives you the best gaming experience. 

Firmware-Emulation
System-UI-&-Navigation

Enhanced Performance in Some Emulators

These BIOS files help to improve game performance by fixing emulation problems, i.e., lag, screen glitches, and other common bugs, to make gameplay smoother 

Where to Download PS1 BIOS Legally

Your secure, safe, and legal source for downloading PS1 BIOS files is PSBIOS Online, because all the files are tested deeply, so you can enjoy PS1 emulations with any security threat or virus issues

Why choose PS1 BIOS from psbios.online?

When downloading PS BIOS files, PSBios.online is one of the most trusted and reliable sources and the best place to get your BIOS files. Here is why millions of users chose us.

  • Reputable and safe:- Our website is easy to access for all the BIOS files you need without any complicated ways like login verifications or complex navigation.
  • Clean, User-Friendly Interface: We have created a simple, user-friendly design that enables you to quickly download the BIOS file you need.
  • Archive of versions by region:  we have organised our archive by region. Ensuring an easy process to find the BIOS that fits within your hardware or firmware

Download PS1 BIOS for Android, iOS & PC

Click the Download button below to download our all-in-one PS1 BIOS pack, including multiple BIOS versions. Note all files are completely secure and are being checked on a daily basis.

  • Downloading links are 100% secure and safe.

Supported Emulators for PS1 BIOS

Our BIOS files are compatible and work with all the popular emulators, ensuring smooth gameplay on all platforms.

ePSXe – Android & PC

ePSXe – Android & PC

ePSXe is one of the most popular and accurate emulators, and it is known for being easy to use. This emulator is available for both PC and Android. ePSXe works well with our PS1 BIOS file. Giving a smooth and computable experience with PS1 games

This emulator also supports cheat codes, controller mapping, and save states. Having its hype for beginners and experienced players 

DuckStation – Android & PC

DuckStation emulator is known for its outstanding performance on high- and low-end devices. This emulator fully supports PS1 BIOS files and offers efficient and excellent performance with enhanced resolutions for a better gaming experience. 

Duck Station has advanced features like widescreen and PGXP corrections, delivering superior visuals and smooth gameplay.

DuckStation – Android & PC
RetroArch—All Platforms

RetroArch—All Platforms

RetroArch is an emulator best known for its wide cross-compatibility. RetroArch uses the Beetle PSX core, which enables it to support PS1 emulations on devices like PCs, Android, and iOS, and consoles like PS3 and Xbox.

You can customise shader support and other features to make it fully compatible with correctly set BIOS files. Making it an excellent solution for playing PS1 games and emulating classic systems  

How to Setup & Install PS1 BIOS on Emulators (Step-by-Step)

Note: Check the attached screenshots for a more precise understanding and visual guidance.

Installing ePSXe BIOS Setup

ePSXe is a top PS emulator that is supported on Android and PC. Here are the basic steps to set up for both platforms.

Steps to install PS1 BIOS on ePSXe for Android

Step 1. Download BIOS file: First, download a PlayStation 1 BIOS file, and ensure it’s all in one BIOS pack, as it works well with most games.

Step 2. Extract the ZIP file: You need to use a ZIP extractor app like ZArchiver to unzip the file on your device. 

Step 3. Install the ePSXe Emulator: Get the latest version of the ePSXe from the Play Store or the official ePSXe website.

Step 4. Set up BIOS in ePSXe: Open the app on your Android device, tap on preferences, then BIOS preferences, and select the file. Find and choose the BIOS file you extracted earlier.

Step 5: Run Game. After successfully setting up the BIOS file, go back to the main screen of the ePSXe app. Select “Run Games,” and the emulator will automatically search for your device for PS1. Now you can choose a game and start playing.

How to Install PS1 BIOS on ePSXe for PC

Step 1. Download the BIOS File: Get a trusted PS1 BIOS pack. Make sure to check compatibility.

Step 2: Install the ePSXe Emulator: Download the latest version of ePSXe from the official website and install it on your computer.

Step 3. Configure the BIOS in ePSXe: one emulator, go to config > BIOS from the top menu. Look for the BIOS file you downloaded and select it.

Step 4. Load and play games: Once the BIOS is ready, go to File, run ISO, and choose your PS1 game file to start playing.