All Regions • BIOS Compatibility Guide

How to Install PS2 BIOS on (PCSX2, Android, Steam Deck, RetroArch, EmuDeck)

How to Install PS2BIOS

How to Install PS2 BIOS on Every Platform?

Suppose you use PCSX2 and AetherSX2 to play games. You put the copy of your game in and then click on Play, but then suddenly the screen goes black, and you receive the message “No BIOS file found.” There is nothing wrong with your console or emulator; you just don’t have the complete software files. And downloading these files is so easy; you can download them within a few minutes. In this guide, you’ll learn how to install the PS2 BIOS on PCSX2, Android, Steam Deck, RetroArch, and EmuDeck.

Here are some essential things you must have before the installation process. Without these, the dumping or installation process is impossible to complete.

  • PS2 BIOS file: You can extract this file from your own console, or you can download it from our website. This .bin file is approximately 4 MB.
  • Extraction tool: You also need a valid extraction tool. For Android, you can use ZArchiver; for macOS, you can use Unarchiver; and for windows/Linux use 7-Zip.
  • Appropriate emulator: There are a lot of good emulators you can use: PCSX2, AetherSX2, RetroArch,  EmuDeck, or Play! Depending on your device.
PCSX2 Setup Tutorial
  • If you don’t want to download these files from our website, you can dump them directly from your console, and we have provided the complete information on how to extract files from the console in our previous blog.

After installing the freeware in PCSX2, you will see two options: Fast or Full boot. Now I will tell you which option to choose and what the difference between them is.

Fast boot:

Fast boot means that your emulator will skip the original animation of PS2 and directly dive into the game. It is the fastest method.

  • Open your emulator.
  • Then click on the game you want to play.
  • Then appear the option for fast or full boot appears. Click on Fast Boot.
  • The game will start without showing the original animation of PS2.
PCSX2-Fast-Boot

Full boot:

Full boot is the method in which the game is started through bios and it shows the animation of PlayStation 2. It is an effective method for checking the working of the firmware.

  • Open the emulator.
  • Click on the game you want to play.
  • Then click the Select the Full Boot option if it is available.
  • The game will start with proper PS2 animation.
  • Which Option Should You Choose? For most gamers, fast boot is good because it saves time. But if you want to test the BIOS and for troubleshooting purposes, you can use full boot.

If you have not configured the BIOS on the first launch, you can also configure it after that. Now we will see the same process.

  • Launch your emulator and open the main interface.
  • Click on Settings and go to the BIOS files section; the location of these files may vary depending on the model or version of the emulator.
  • Now go to the folder where the files are stored and select the correct firmware; PCSX2 will start scaling the file.
  • Then you have to select the appropriate BIOs file from the list.
  • After that, you have to close the window and restart the emulator to run the game.
PCSX2 BIOS Setup Guide
  • Tip: Extract the firmware from your own console, because this emulator requires a compatible file. Or you can also download them from our website because they are completely working.

AetherSX2 is the most convenient emulator for Android users who want to play PS2 games on Android devices. But it is not available on the Google Play Store, so you have to download it from another trusted source. Complete method explained:

  • Launch the AetherSX2 emulator on your device. If you are launching it for the first time, the wizard will guide you through the initial setup.
  • After going through the welcome screen, you will reach the BIOS setup page.
  • You will reach the BIOS import screen; click on the + icon.
  • After detection, the emulator will show the BIOS; select the appropriate firmware file.
  • Then tap on the NEXT button to finish the dumping process.
How to Install PS2 BIOS on Android

If you have already skipped the first launch setup, then you can follow this method:

  1. Go to the settings of the AetherSX2 emulator.
  2. Then go to the core settings option and click on BIOS.
  3. Then give the correct directory to your .bin file in the bios folder.
  4. Then click on the confirm button, and your emulator is ready.

How to Install PS2 BIOS in RetroArch on Android

RetroArch is a multi-device emulator that uses cores to run games and different files. It is a reliable emulator for android users, so now we will discuss the bios installation process in it.

Install PS2 BIOS in RetroArch on Android
  • Step 1: RetroArch’s System Directory: Open the emulator on your device and then follow this path: Settings → Directory → System/BIOS. This folder is very important because this is where you have to save the firmware files.
  • Step 2: Create the Required Folders: Then, using an Android file manager, in the system directory you have to make the following folder path: System → pcsx2 → bios. The name of the folder must be in lowercase.
  • Step 3: Copy Your  BIOS File: After that, you have copied the extracted PS2 files in the bios folder. The final path is like this: RetroArch → system → pcsx2 → bios → your_bios_file.bin
  • Step 4: Install PS2 Core: To install the PS2 cores in your emulator, follow these steps:
    Open RetroArch and go to the main menu.
    After that, go to Load Core and download the core.
    Then find the PS2 core, like PCEE2 and download and select it.
  • Step 5: Load Your PS2 Game
    Then go to the main menu and load the PS2 game. Select the cores of the emulator when prompted. Now the game will load automatically, and you can play it.

How to Install PS2 BIOS on Steam Deck (via EmuDeck)

Install PS2 BIOS on Steam Deck (via EmuDeck)

If you want to play PS2 games on your Steam deck, you can do it with the help of the EmuDeck emulator; all you need is compatible firmware and to dump them correctly. Here is the process explained:

  • Step 1: Switch to Desktop Mode

Firstly, power on the device and switch to desktop mode. In this way, you can handle the folder and files for the EmuDeck.

  • Step 2: Install EmuDeck

Then you have to search for EmuDeck on google and download it from the official website.

  • Step 3: Locate the BIOS Folder

Open the Dolphin File Manager in your drive and go to the BIOS files directory. The path will look like this:

/home/deck/Emulation/bios/

  • Step 4: Copy Your PS 2 BIOS File

Now copy the extracted PS files and save them in the bios folder. Now the folder path will look like this:

Emulation/bios/your_ps2_bios_file.bin/other_bios_files

Remember: Put the files directly into the bio folder and don’t make any subfolder like PS2 or PCSX2.

  • Step 5: Check the Files in EmuDeck

If you want to check the files in the emulator, go to Tools & Stuff → BIOS Checker. Click Select Again; the emulator will scan for the missing files. And if all are complete, you can play your games.

  • Step 6: Add Your PS2 Games

To play the game, place the game in the following folder path:

/home/deck/Emulation/roms/ps2/

Then you can use Steam ROM Manager or EmulationStation-DE to play the games.

How to Install PS2 BIOS on EmuDeck (Windows)

EmuDeck configuration is quite easier on Windows as compared to Steam Deck. You can enjoy PlayStation 2 games on your screen with just these few steps:

  • Step 1: Install EmuDeck on Windows

First, install EmuDeck on your Windows PC; to do that, go to Google and search for the emulator and download it from the official website. During installation, also choose where you want to store your emulation files.

  • Step 2: Locate the BIOS Folder

Then open File Explorer on your pc and go to the folder you selected during installation. The common location is like this:

%USERPROFILE%\emudeck\Emulation\bios

  • Step 3: Copy Your PS2 File

Then copy all the PS2 files in your Bios folder. The path will look like this:

Emulation/bios/your_ps2_bios_file.bin/other_bios_files

  • Step 4: Check the BIOS

To check the availability of the files, click on Check Again to scan for missing files.

  • Step 5: Launch Your PS2 Games

To load, you have to place the game in the following folder:

Emulation\roms\ps2

How to Install PS2 BIOS on RetroArch (PC)

RetroArch allows you to play PS2 games on your window device but using its cores like LRPS2 or PCEE2. For that, you just need a compatible BIOS. Here is the process explained:

  • Step 1: Install RetroArch on Your PC

First, download RetroArch from the official website and install it on your computer.

  • Step 2: Install a PS2 Core

Now, to install the PS2 core in RetroArch, follow this:

  1. Open RetroArch.
  2. Then go to Main Menu → Online Updater → Core Downloader.
  3. Then find a PS2 core for your PC, like LRPS2.
  4. Select it to download and install.
  • Step 3: Locate the System Folder

Open your emulator and then go to:

Settings → Directory → System/BIOS

  • Step 4: Create the BIOS Folder:

Then open File Explorer, go to the system directory, and create the following folder structure:

system/pcsx2/bios

  • Step 5: Copy Your PlayStation 2 BIOS File

After that, you have to copy the extracted files into the bios folder. The final path will look like this:

RetroArch/system/pcsx2/bios/your_bios_file.bin

  • Step 6: Load Your PS2 Game

Then go to the emulator and do these steps:

  1. Go to Load Core and choose your installed PS2 core.
  2. Then go to the Main menu → Load Content.
  3. Find your game and just launch it.

Conclusion:

I hope you have understood everything about how to install PS2 BIOS on every platform like PCSX2, Android, Steam Deck, RetroArch, and EmuDeck.  I have explained these processes in the easiest and best possible way I can. Always make sure to download the emulator from trusted sources and always update it. Moreover, first try to dump the BIOS from your own console; if you can’t, then you can download it from our website. If you want every possible information about bios pf palysation2, then bookmark our website because this is the best for it.

FAQS(Frequently Asked Questions)

No, Fast Boot didn’t work without the files because it just skips the original animation of PlayStation on the firmware.

Firmware are copyrighted software, so the best way to get it is by dumping it from your own console.

Yes, you can use it on different devices, but the emulator has different BIOSes, so in some cases they may vary.

No, you can’t use the PS1 BIOS for PS2 emulation because every PlayStation has its own firmware and compatibility.

BIOSes usually have a .bin file format, but there are also many other formats like .rom and .nvm, depending on the emulator, etc.