What is ESR used for?? You'll need to esr patch the iso file before you burn it for it to run properly. You need a memory card with the Free McBoot exploit. Jun 30, 2010 To Patch the.iso files you will need The ESR patcher located in the link below (NTSC to PAL is also in the.

***Read Below*** Using the PS2 Slim (must be made before March 2008), and with the Free McBoot package, you can play patched ESR PS2 DVD games (CD PS2 games not supported). What this means is that you can insert a backed up game copy, and have the PS2 boot it with your memory card. Why does it work? The ESR patcher tricks the PS2 thinking you are playing a DVD movie, when in reality it is booting a game. No need for mod chip, or swap magic. Just an exploited memory card. Sounds awesome?

This is because it is awesome! See the video tutorial to become a PS2 master and pat yourself on the back. Counter Strike 1 6 Patch 23bhm here. The only real hurdle is how to make the exploited memory card in the first place. Once you got that figured out, the rest of the PS2 journey is a piece of cake. - Versatile *Is it possible to use Fat PS2s? I don't know for sure, you might have some luck if V9 and above.

If it works on your fat PS2, let me know what your version number is.