PS2 - FunTuna (Free McBoot for Fortuna), Page 8

Well you are wrong. Tested that (as has multiple others). I believe there is even multiple comments about it in this thread.

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PS2 - FunTuna (Free McBoot for Fortuna), Page 5

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I'm feeling nostalgic for my childhood PS2. Any legitimate reason, besides PS1 emulation or the HDD, to replace an SCPH-90001 with a 390xx or 500xx Phat? : r/ps2

FunTuna - FMCB for Fortuna Tutorial (English, 2020)

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How to Install Free MC Boot on most slim PS2

PS2 Free Mcboot / Fortuna Project explained PS2 Mod Beginners Guide

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Fortuna FMCB Launcher : Veritas83 : Free Download, Borrow, and Streaming : Internet Archive

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FunTuna - FMCB e Fortuna totalmente funcional no PS2 Slim! Pacote completo com OPL, SMS uLaunchelf!