A: No. AetherSX2 is designed exclusively for the PS2’s 4MB EEPROM dump. A PS3 BIOS is a completely different architecture.
To stay legal, you should dump the BIOS from your own physical PS2 console. Downloading BIOS files from the internet is considered piracy. 1. Where to Put the BIOS aethersx2 bios 4mb
If you legally own a PS2 and dump your own BIOS, the 4MB file is perfect. If you download it from random ROM sites, you risk malware and legal issues. The emulator works flawlessly with it – just obtain it responsibly. To stay legal, you should dump the BIOS
💡 Keep your BIOS file in a dedicated folder named "PS2 System" on your internal storage. This makes it easier for AetherSX2 to locate the file even after app updates. Where to Put the BIOS If you legally
The "4MB" file is often sought after simply because it is smaller and widely circulated. However, older BIOS versions (like SCPH-10000) are sometimes preferred by purists because they avoid certain region-locking issues or have different boot animations. Ultimately, AetherSX2 simply needs valid PlayStation 2 BIOS to function; it does not strictly require a 4MB one.