psx launch

Im struggling with PAL PSX-PS1 iso on my USB device on my PS3 3001a HEN Webman mod detect my NTSC-PAL PSX iso on my usb stick , no problems ....I tried irisman but when i click on disc icon = nothing ....I tried with my Favorite Methode on my other PS3 CFW Cobra Rebug using PSX LAUNCH (Cobra...