Models CECHAxx (60GB) and CECHBxx (20GB). These contain actual PS2 chips.
Models CECHCxx (60GB PAL) and CECHExx (80GB NTSC). These use a mix of hardware and software, leading to occasional glitches. Playing PS2 Games on Non-Compatible Models Can You Ps2 Games On Ps3
These tutorials provide detailed walkthroughs for setting up PS2 emulation on various PS3 models using custom software: How to Play PS2 ISOs on a Jailbroken PS3 with Rebug CFW YouTube · MrMario2011 Models CECHAxx (60GB) and CECHBxx (20GB)
Advanced users often "jailbreak" their consoles using tools like PS3HEN or Custom Firmware to run PS2 ISO files via software emulation on newer models. These use a mix of hardware and software,
Whether you can play PlayStation 2 (PS2) games on a PlayStation 3 (PS3) depends entirely on which model you own. While , only specific early models have the hardware or software to run PS2 game discs. How to Identify a Compatible PS3