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.

PS2 - FORTUNA Homebrew Launcher by VTSTech (BOOT.ELF replacement), Page 4

Bitfunx Fortuna FMCB Free McBoot Memory Card for Sony Playstation 2 PS2 Slim Game Console

Bitfunx Fortuna FMCB Free McBoot Memory Card for Sony Playstation 2 PS2 Slim Game Console - AliExpress

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

Easiest Way How to Install Fortuna Project & OPL

PS2] Tutorial, Funtuna, Instalação

PS2 - FunTuna (Free McBoot for Fortuna), Page 10

PS2 Memory Card with Free MCBOOT/FORTUNA/FUNTUNA +OPL+ESR+Media Player Installed

PS2 - Difference FMCB 1.966 vs 1.953 ?, Page 2

PS2 - FunTuna (Free McBoot for Fortuna), Page 6

Preços baixos em Classe 2 Cartões de Memória de Vídeo Game e pacotes de expansão para Sony PlayStation 2