This is a guide on how to transfer PS2 and PS1 ROMs to the PlayStation 2 Portable. I got a lot of questions on what the process looked like for this device, so I tried to boil down everything you need to know.
OPL Manager – https://oplmanager.com/
PSXVCD – https://www.psx-place.com/resources/psxvcd.669/
USB Util 2.2 – https://webcache.googleusercontent.com/search?q=cache:IlMD9OKfbEUJ:https://www.ps2-home.com/forum/viewtopic.php%3Ft%3D1240+&cd=1&hl=en&ct=clnk
Defraggler – https://www.ccleaner.com/defraggler
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