I have a PS2 Slim (SCPH-77004, GH-052-51 board, attached photo) with a good laser and I decided to install a Modbo 5.0 modchip in it. After install PS2 games play fine, both originals and backups. A PS2 game on CD-R also works fine, so the laser can read CD's easily.
DVD-video also plays, the...