Download PS1 BIOS Files (USA, Japan, Europe, China) All Regions in One Pack
Download PS1 BIOS files required to run PlayStation 1 games smoothly on emulators. These BIOS files help emulators accurately replicate the original PS1 console, ensuring better compatibility, fewer errors, and stable gameplay across different platforms.
Choosing the correct PS1 BIOS is essential for proper emulation and smooth performance on DuckStation, ePSXe, and RetroArch.
Download PSX (PS1) BIOS Complete Files – All Regions (USA, PAL, NTSC-J)
Here you will find the most essential PS1 BIOS files for every region. These files ensure your PlayStation games run smoothly on any emulator. All BIOS come in .bin format and are compatible with DuckStation, RetroArch, ePSXe, and more. Pick the right version for your setup and start playing without any problems.
USA PS1 BIOS (SCPH1001)
This is the most popular and widely compatible PS1 BIOS file. It works well with most PlayStation 1 games and is recommended for NTSC-U titles.
Europe PS1 BIOS (SCPH7502)
The European BIOS is designed for PAL region games. It ensures proper game timing and compatibility for titles released in Europe.
Japan PS1 BIOS (SCPH5500)
This BIOS version is required for running Japanese PlayStation 1 games. It ensures correct language handling and accurate game behavior.
Worldwide PS1 BIOS
The worldwide BIOS offers broader compatibility and works across multiple regions. It is useful when running mixed game libraries or testing different PS1 titles.
Additional PS1 BIOS Files (Advanced Users)
Some PS1 BIOS files are included for advanced emulation needs. These files may be required for specific games, older emulator versions, or testing purposes.
Most users do not need these files, but they can be helpful for:
SCPH-1000 [NTSC-J]
SCPH-1001 [NTSC-U/C]
SCPH-3000 [NTSC-J]
SCPH-3500 [NTSC-J]
SCPH-5501 [NTSC-U/C]
SCPH-5500 [NTSC-J]
SCPH-5502 [PAL]
SCPH-5552 [PAL]
SCPH-7000 [NTSC-J]
SCPH-7001 [NTSC-U/C]
SCPH-7002 [PAL]
SCPH-7501 [NTSC]
SCPH-7502 [PAL]
SCPH-9002 [PAL]
SCPH-100 [NTSC-J]
SCPH-101 [NTSC-U/C]
SCPH-102A [PAL]
SCPH-102B [PAL]
SCPH-102C
Tip: Pick these files only if your game or emulator has issues with the recommended versions. Most users only need SCPH-1001, SCPH-5501, SCPH-7502, or the Worldwide BIOS.
Other Popular PS1 BIOS Files (And When to Use Them)
Not every gamer needs these, but if your PS1 games show glitches, black screens, or region lock issues, trying a different BIOS can save hours of frustration. Here’s a quick, beginner-friendly guide:
Alternate BIOS Files You Might Want to Try
- SCPH-5501 (USA Alt BIOS): This is a later USA version. Use this one if SCPH-1001 gives odd sound crackles or sync problems.
- SCPH-7003 (Later Japan Version): Comes from newer Japanese PS1 models. Some Japanese games seem more stable with it. Good fallback if NTSC-J games misbehave.
- SCPH-101 (PSOne Slim BIOS): From the slim PSOne consoles. It is more compact. Doesn’t change gameplay much, but gives the feel of PSOne hardware.
How to Choose the Right BIOS
Choosing the right PS1 BIOS mostly depends on the region of the games you want to play. For most players, SCPH-1001 (USA) or SCPH-5501 are the safest picks since they work with nearly every game. If you want to compare BIOS versions in more detail and see which one is best for your setup, check out our guide on Which PS1 BIOS is Better to Use.
Supported PlayStation 1 Emulators
These PS1 BIOS files are fully compatible with popular PlayStation 1 emulators used on Windows, Android, Linux, and other platforms. The BIOS works smoothly with modern emulators as well as classic PS1 emulation software, ensuring proper game loading, accurate system behavior, and stable performance during gameplay.
Quick PS1 BIOS Installation Guide
After downloading the PS1 BIOS file, place it inside the emulator’s BIOS or system folder. Keep the file name unchanged so the emulator can detect it correctly. Once the file is in the correct location, restart your emulator and load your PlayStation 1 game to begin emulation.
PS1 BIOS vs Other Console BIOS
The PS1 BIOS works just like the BIOS files from other classic consoles, but there are a few differences worth knowing. Here’s a quick comparison to show how it stacks up:
| Feature | PS1 BIOS | PS2 BIOS | Game Boy Advance BIOS | Dreamcast BIOS |
|---|---|---|---|---|
| Purpose | Starts up the PlayStation, loads games, manages memory cards. | Boots PS2 games, DVD player, backward compatibility for PS1 games. | Runs GBA startup logo, initializes hardware before games start. | Runs Dreamcast menu, date/time setup, memory card manager. |
| File Size | Small (512 KB typical). | Larger (4–8 MB depending on model). | Very small (16 KB). | Around 2 MB. |
| Region Specific | Yes — NTSC-U, PAL, NTSC-J versions exist. | Yes — separate BIOS for each region. | No — one BIOS works for all regions. | Yes — different versions for Japan, USA, Europe. |
| Required for Emulation | Yes, most PS1 emulators need it for full compatibility. | Yes, required for PS2 emulators like PCSX2. | Not always — many GBA emulators have built-in BIOS, but original BIOS gives more accuracy. | Yes, for complete emulation experience. |
| Extra Features | Memory card management, CD player interface. | DVD player UI, system configuration menu. | Shows GBA startup animation. | VMU (memory card) manager, system settings. |
PS1 BIOS vs. HLE: What’s the Difference?
When setting up a PS1 emulator, you’ll find two options: BIOS files and HLE (High-Level Emulation). Both can run games, but they work in different ways, and choosing the right one makes a big difference in how smooth and accurate your gameplay feels.
PS1 BIOS (Recommended)
Using the official PS1 BIOS file is the best way to get the most out of your emulator. It’s the actual firmware from the console, which means:
If you want the real PS1 experience, BIOS is the way to go.
HLE – High-Level Emulation
HLE is a shortcut method that lets you run games without a BIOS file. It’s easier for beginners since there’s no setup, but it comes with downsides:
HLE is okay if you just want to test quickly, but it’s not recommended for long-term gaming.
Are These PS1 BIOS Files Safe?
All PS1 BIOS files provided here are tested for emulator compatibility and scanned for security issues. Using the correct BIOS reduces emulator crashes, improves performance, and prevents common gameplay problems.
Always download BIOS files from trusted sources and avoid modified or unknown versions.
Common PS1 BIOS Issues to Avoid
Before using the PS1 BIOS file, make sure it matches your game’s region and emulator requirements. Using an incorrect BIOS version or renaming the file can prevent games from loading properly. Always store the BIOS file in the correct folder and avoid using multiple BIOS locations within the same emulator setup.
Most Popular PS1 Games for Emulators
The PlayStation 1 brought some of the most iconic games ever. Using the right PS1 BIOS with your emulator lets you play these classics on PC or Android with smooth graphics, clear sound, and stable performance. Check out six of the most popular PS1 games that players still love today:
Tekken 3

One of the most famous fighting games on PS1. Smooth gameplay, a large roster, and hidden characters like Gon and Doctor Bosconovitch make it a must-play.
Resident Evil 2

A survival-horror classic. Play as Leon and Claire to fight zombies in Raccoon City. Works perfectly with the right emulator settings.
Final Fantasy VII

An iconic RPG that defined the PlayStation era. Follow Cloud Strife and his team through epic battles and unforgettable moments.
Crash Bandicoot

A fun platformer full of tricky levels and obstacles. Bright graphics and fast-paced gameplay make it a PS1 favorite.
Metal Gear Solid

A stealth-action masterpiece with deep storytelling, strategic gameplay, and cinematic cutscenes. Essential for any PS1 fan.
Gran Turismo 2

The ultimate racing game on PS1. Realistic cars, tracks, and driving physics make it an authentic racing experience that still holds up today.
Frequently Asked Questions
Where can I download the PS1 BIOS?
You can download the complete PS1 BIOS pack from PS1BIOS.online, including USA, Europe, Japan, and Worldwide versions. All files are safe, tested, and work on DuckStation, RetroArch, and ePSXe.
Which PS1 BIOS should I download?
For most users, the SCPH-1001, SCPH-5501, SCPH-7502, or the Worldwide Pack works best. If your game has sound issues or black screens, try the alternate BIOS files listed above.
Why does my game crash after the BIOS screen?
This usually means you’re using the wrong region BIOS for your game. Try switching to a matching region (USA, PAL, or NTSC-J).
Why does my emulator say “No BIOS found”?
That means the emulator can’t locate your BIOS file. Place the BIOS in the right folder and select it in emulator settings.
Can I use PS2 BIOS to play PS1 games?
No. PS2 BIOS is only for PS2 emulation. You need a proper PS1 BIOS for PlayStation 1 games.
What if I’m not sure which BIOS to use?
Beginners should download the Worldwide Pack or SCPH-1001, which works for most games and emulators. Advanced users can try alternate BIOS files if needed.

Jack Carter
Hi! I’m Jack, and I love playing classic PlayStation 1 games. I enjoy finding the right PS1 BIOS files and setting them up so I can play my favorite games without any problems.
Gaming is my passion, especially old-school games that bring back great memories. I like sharing tips and learning new things to make gaming more fun. If you love retro games too, you’re in the right place!
