Magic 3 - Gameshark- DVDR

[sergiopa]

Hi, i have magic3 on my ps2 and boots everything, but here is the problem:

I want to play my DVD-rs with some cheats on... I´ve Gameshark 1.6, but when i select game(no matter with cheats on or off), the ps does not boot the dvd-r, boots all CD-Rs but no DVD... is there a trick to boot a DVD-R with Gameshak on a system with Magic3???

Thanks