If you are preparing to burn and "paper" this disc, keep these technical requirements in mind:
When you boot the DVD, the default controls use the Japanese standard (Circle to confirm, Cross to cancel): : Open the FileBrowser to see connected devices. Ulaunchelf V4 12 Dvd
Key features
The primary purpose of uLaunchELF is file management. The PS2 natively hides its system files and makes transferring data difficult. uLaunchELF smashes that wall down. If you are preparing to burn and "paper"
Press O (Circle) to enter the file list. Navigate to cdfs:/ – this is your DVD. You’ll see BOOT.ELF and your APPS folder. From here, you can launch any ELF file directly. Ulaunchelf V4 12 Dvd