PS1 BIOS Download for DuckStation, RetroArch & ePSXe
Grab the PlayStation 1 BIOS files compatible with DuckStation, RetroArch, and ePSXe emulators to relive your classic PS1 gaming experience on PC, Mac, or mobile devices.
Welcome to the Ultimate PS1 BIOS Download Hub for Android, iOS, and Windows
Whether you’re a long-time fan of retro gaming or just starting your emulation journey, this page is your trusted source for running classic PlayStation 1 titles on any device. No original hardware required — just download the necessary BIOS files and start playing.
At psbios.blog, we provide secure, ready-to-use BIOS files along with simple, step-by-step guides for top emulators like ePSXe, RetroArch, and DuckStation. Each download is hassle-free, helping you set up your emulator quickly and get straight into the action.
Looking to emulate PS2 as well? We’ve got you covered with a separate section dedicated to PS2 BIOS files. From understanding the types of BIOS files available to installing them across platforms, everything you need to revive your favorite PS1 games is right here in one place.
What Is PS1 BIOS?
The PS1 BIOS is a small but vital piece of firmware built into the original PlayStation 1 console. It manages the startup process, verifies game discs, checks region codes, and prepares the system to run games smoothly. Just like later PlayStation models (PS2, PS3, etc.), the PS1 depends on this BIOS to function correctly.
In the world of emulation, the BIOS plays the same critical role. Emulators such as ePSXe, RetroArch, and DuckStation replicate the PlayStation 1’s hardware — but without the BIOS file, they can’t operate as intended. The BIOS allows these emulators to behave like the real console, making it possible to launch and enjoy your favorite classic PS1 games on modern devices.
Why is a PS1 BIOS Needed for Emulation?
Without a working BIOS file, the PS1 console can’t run games or perform essential functions, and the same applies to emulators on mobile and PC. The BIOS is critical for authentic emulation, allowing the emulator to behave like the original hardware. Here’s why the PS1 BIOS is essential for an accurate emulation experience:
Authentic Gameplay
The BIOS allows your emulator to replicate the real PlayStation experience, making sure games run just as they would on the original hardware.
Loading & Saving
It also controls how games handle save and load functions, mimicking the memory card system found on the original PS1 console.
Game Authentication
Certain PS1 games won’t launch without the BIOS, as it’s responsible for verifying and authenticating the game before it begins.
Bug Fixes
Without the BIOS, emulators can become unstable leading to crashes, glitches, or failed game launches since it plays a key role in ensuring smooth and reliable gameplay.
Why is a PS1 BIOS Needed for Emulation?
If the BIOS file isn’t present or functional, the original PS1 console can’t boot games or carry out key operations—and emulators on PC or mobile are no different. A proper BIOS is essential for genuine emulation, enabling the software to mirror the behavior of real PlayStation hardware. Here’s why having the PS1 BIOS is crucial for an accurate and reliable emulation experience:
1. SCPH-10000 (Japan)
This BIOS version was created for the earliest PlayStation 2 consoles released in Japan. It’s essential for running Japan-exclusive PS2 games, ensuring full compatibility and stable performance.
2. SCPH-30000 (USA)
The SCPH-30000 BIOS is tailored for PlayStation 2 consoles released in North America. It’s ideal for users in the U.S., Canada, and neighboring regions, providing full support for NTSC-format games from that area.
3. SCPH-50000 (PAL/Europe)
The SCPH-50000 BIOS is built for PlayStation 2 consoles sold across Europe and other PAL regions. It also supports countries like Australia, offering reliable performance and compatibility for PAL-format games in these territories.
4. SCPH-70000 (China)
The SCPH-70000 BIOS was developed for PlayStation 2 units distributed in China. It offers full compatibility with region-specific titles and is best suited for running PS2 games sourced from Chinese servers, ensuring stable and efficient performance.
We’ve added extra BIOS files shared by gamers for more variety and region options.
- SCPH-1000 [NTSC-J]
- SCPH-1002 [PAL]
- SCPH-3000 [NTSC-J]
- SCPH-3500 [NTSC-J]
- SCPH-5000 [NTSC-U/C]
- SCPH-5501 [NTSC-U/C]
- SCPH-7002 [PAL]
- SCPH-7501 [NTSC]
- SCPH-9002 [PAL]
- SCPH-100 [NTSC-J]
- SCPH-101 [NTSC-U/C]
- SCPH-5502 [PAL]
- SCPH-5552 [PAL]
- SCPH-7000 [NTSC-J]
- SCPH-7001 [NTSC-U/C]
- SCPH-102A [PAL]
- SCPH-102B [PAL]
Features of PS1 BIOS for Emulators
The PS1 BIOS does more than link software to hardware — it enhances emulation with several key features. Here are the main benefits:
Authentic Startup Sequence
The PS1 BIOS recreates the classic PlayStation startup, complete with the Sony logo and iconic boot sound, enhancing the nostalgic experience of using a real PS1.
Game Compatibility
A quality BIOS file ensures high compatibility, allowing emulators to handle nearly all PS1 games seamlessly. With region-specific BIOS files, you can achieve a 99% compatibility rate across different titles.
Save Data Management
The BIOS file manages memory card functionality, making it easy to save and load games directly on your device. This simplifies data management compared to the original hardware.
Region Support
BIOS files enable region compatibility, letting you play games from any region (e.g., NTSC for the U.S., PAL for Europe, NTSC-J for Japan) without issues.
Disc Management
Just like a real PS1 console, the BIOS controls disc recognition and game loading, even when using ROM files, enhancing the overall emulation experience.
Firmware Accuracy
The BIOS helps emulate the original PS1 firmware accurately, allowing your emulator to perform like the real hardware and deliver an authentic gaming experience.
Improved Game Performance
BIOS files enhance game performance by addressing common emulation issues such as lag and screen errors, creating a smoother gameplay experience.
Where to Download PS1 BIOS Legally?
You can legally download the PS1 BIOS from psbios.com. Our BIOS files are safe, verified, and free from viruses or malware, allowing you to emulate PS1 games without any security risks or legal concerns.
Why Choose psbios.com?
- Secure Downloads: All BIOS files are virus-free and tested.
- Trusted & Verified: Official files optimized for smooth emulation.
- Multiple Regions: Supports NTSC-U, PAL, and NTSC-J BIOS versions.
- Easy Setup: Step-by-step installation guides for all major emulators.
Download PS1 BIOS for Android & PC
Grab our All-in-One PS1 BIOS Pack using the link below. It includes multiple regional BIOS files, all verified and safe to use.
All links are 100% secure and free from malware.
Supported PS1 Emulators for Android, iOS and Windows
Our PS1 BIOS files are compatible with the most popular emulators, ensuring smooth gameplay across platforms:
ePSXe (PC & Android
ePSXe is a top choice for PS1 emulation on PC and Android, offering great accuracy and ease of use. It works well with most PS1 games and supports features like cheat codes, save states, and custom controls. Paired with our BIOS files, it delivers smooth and reliable gameplay for all users.
RetroArch (Android, iOS, PC)
RetroArch is a powerful multi-system emulator with broad platform support. Using the Beetle PSX core, it runs PS1 games smoothly on Android, iOS, PC, and even consoles. With advanced features like shaders, custom settings, and full BIOS compatibility, it’s a flexible all-in-one emulation solution.
DuckStation (PC & Android)
DuckStation is a fast, efficient PS1 emulator built for both low- and high-end devices. With high-resolution support, BIOS compatibility, PGXP fixes, and widescreen hacks, it delivers accurate performance and enhanced visuals—making it a top pick for serious emulation fans.
Step-by-Step Guide: Installing PS1 BIOS on Emulators
Follow our easy setup instructions based on the emulator you’re using. Screenshots are included to help you at each step.
Installing PS1 BIOS on ePSXe (Android & PC)
ePSXe is a leading PS1 emulator available for both Android and PC. Here’s how Android users can install the BIOS
Installing PS1 BIOS on ePSXe (Android & PC)
1. Download the BIOS Pack
Go to our download section and get the All-in-One PS1 BIOS Pack.
2. Extract the BIOS File
Use the ZArchiver app to unzip the downloaded file on your Android device.
Install ePSXe:
Get the ePSXe app from the Play Store or use the download button below to install the latest version.
Load BIOS in ePSXe:
Open the app, go to Preferences > BIOS Preferences > BIOS File, and select the BIOS file you downloaded (refer to the screenshot below).
Start Playing Games:
Once you’ve chosen the BIOS file, return to the main menu and tap on Run Games. The emulator will begin scanning your system for any PS1 titles it can detect and load.
Setting Up PS1 BIOS in ePSXe on PC
If you’re using a PC, follow these simplified steps:
1. Get the BIOS File:
Navigate to the dwnloads section of our website and grab the All-In-One PS1 BIOS Pack.
2. Install ePSXe Emulator:
Visit the official ePSXe site or click the button below to download the latest version. Install the emulator on your PC.
3. Launch and Configure ePSXe:
Open the ePSXe application. Head over to Config > Bios from the top menu. Find the BIOS file you downloaded, select it, and load it into the emulator.
Launch Your Game:
With everything set up, go to File > Run ISO to load your PS1 game file. Your emulator is now fully ready to play!
Setting Up PS1 BIOS in RetroArch
RetroArch works across multiple platforms, including Android, iOS, and PC. This guide focuses on setting it up for mobile devices like iPhones and Android phones.
How to Install PS1 BIOS on RetroArch (Android/iOS)
Follow these simple steps to get started:
- Install RetroArch:
Download RetroArch directly from the Google Play Store for Android or the App Store if you’re using an iPhone. - Get the BIOS File:
Visit the downloads section on our website and grab the All-In-One PS1 BIOS Pack. - Configure BIOS Directory:
Open the RetroArch app, navigate to Settings > Directory > System/BIOS, and set the folder where your BIOS file is located.
Set the BIOS Location:
Within RetroArch, navigate to Settings > Directory > System/BIOS and assign the path to the folder on your device’s internal storage where the BIOS file is saved. This is where RetroArch will automatically search for required BIOS files.
Load the Right Core:
From the main menu, tap on Load Core and choose Sony – PlayStation (Beetle PSX HW). If it’s not already available, head to Online Updater, find it in the list, and download it directly.
Let RetroArch Detect BIOS:
If your BIOS is correctly placed in the set directory, RetroArch will recognize it automatically. If it doesn’t, double-check the BIOS folder under Settings > Directory and restart the app after confirming the path.
Play Your Game:
Head over to Load Content, browse your storage for the PS1 ROM file (in ISO or BIN format), and begin playing right away.
Installing PS1 BIOS on RetroArch for PC
Setting up RetroArch for PlayStation games on a PC is quite similar to mobile. Just follow these basic steps:
Download RetroArch:
Visit the official RetroArch website and grab the correct version for your operating system. Install it on your PC.
Get the BIOS File:
Go to our site’s download page and get the All-In-One PS1 BIOS Pack.
Configure BIOS Folder:
Open RetroArch and navigate to Settings > Directory > System/BIOS Directory. Point it to the location where you placed your BIOS files.
Download and Load the PlayStation Core:
Open RetroArch, go to Load Core, and choose Sony – PlayStation (Beetle PSX HW). If it’s missing, you can easily install it by heading to Online Updater > Core Downloader.
Activate the BIOS:
Restart RetroArch after setting up the BIOS directory. The app will automatically detect the PS1 BIOS file stored on your PC—no manual loading needed.
Start Gaming:
Navigate to Load Content, select your PS1 game file (ISO or BIN), and RetroArch will launch it using the BIOS in the background for seamless gameplay.
Installing PS1 BIOS on DuckStation
DuckStation is a modern and user-friendly PS1 emulator, and getting the BIOS set up is quick and simple—whether you’re on Android or PC. Here’s how to do it on Android:
How to Set Up PS1 BIOS on DuckStation (Android)
- Install DuckStation:
Head over to the Google Play Store and download the latest version of the DuckStation Emulator. - Download the BIOS Pack:
Use the link provided earlier to download the All-In-One PS1 BIOS Pack directly to your device. - Extract the BIOS Files:
Use an app like ZArchiver to extract the BIOS ZIP file to your internal storage. Make sure you remember the folder where you extracted the files. - Launch DuckStation and Set BIOS Directory:
Open the DuckStation app, navigate to Settings > App Settings > BIOS > Import BIOS, then select the folder where the BIOS files are stored. Tap Use This Folder to confirm.
How to Add PS1 BIOS on DuckStation (PC)
1. Install DuckStation on PC:
Visit the official DuckStation Website to download and install the emulator for your computer.
2. Download the PS1 BIOS File:
Use the provided download link to get the All-In-One PS1 BIOS Pack, and extract it to a folder on your PC that’s easy to access.
3. Configure the BIOS Path:
Launch DuckStation, go to Settings > BIOS Settings, and choose the folder where your BIOS file is stored. Once set, the emulator will recognize it automatically.
Load the BIOS Automatically:
After selecting the correct BIOS folder in DuckStation, the emulator will instantly recognize and load the BIOS file—no extra steps needed.
Start Playing PS1 Games:
To launch a game, go to File > Open Disc Image, choose your PS1 ROM (ISO or BIN), and the emulator will begin running your game right away.