I notice you're asking to create a feature related to — this appears to reference uLaunchELF , a popular file manager for the PlayStation 2 homebrew environment.
Type list disk to find your USB drive’s number (e.g., Disk 2). ulaunchelf mass empty
While modern PS2 homebrew like Open PS2 Loader (OPL) can read newer formats like exFAT, the file browser . "ulaunchelf mass empty" I notice you're asking to
You have tried formatting, changed drives, and updated uLaunchELF. Now what? Fails to appear in the list