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

You have to copy it via Homebrew it seems.

Free Mcboot Funtuna + Memory Card 64mb + Opl Para Ps2 Slim

FunTuna (Free McBoot for Fortuna) - The Independent Video Game Community

Fortuna FMCB Memory Card For SONY Playstation 2 PS2 Slim Console + 2.5''inch SATA HDD Hard Disk Kit with Games Installed - AliExpress

PS2 - FunTuna (Free McBoot for Fortuna)

Bitfunx FMCB Card V1.966 and Fortuna for PS2 MX4SIO SIO2SD SD Card Adapter Installed OPL - AliExpress

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

Free McBoot v1.966 Fortuna SD Card Adapter 8MB/16MB/32MB/64MB for PS2 Slim/Fat

Game Selections, Online Shop

PS2 - FunTuna (Free McBoot for Fortuna)

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

New PS2 Free McBoot Card FMCB v1.966 8M 16M 32M 64MB Memory Card Supports All Consoles Fat and Slim Update OPL1.2.0 For MX4SIO - AliExpress

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

Easiest Way How to Install Fortuna Project & OPL

How to Install FreeMCBoot on Any PS2 Slim with FunTuna & FreeDVDBoot

Bitfunx FMCB Card V1.966 and Fortuna for PS2 MX4SIO SIO2SD SD Card Adapter Installed OPL - AliExpress