Here is that article:
Below is an in-depth guide on the legacy of GameShark 2 V5, how it functioned, and the modern ways to experience it through emulation. The Legacy of GameShark 2 V5 on PS2 Ps2-Gameshark-2-V5-Download-Iso-VERIFIED.pdf
If you have managed to find a verified GameShark 2 V5 ISO, using it typically involves a "swap" method: Here is that article: Below is an in-depth
The was a cheat device for the Sony PlayStation 2. Released by InterAct (later Mad Catz), it allowed players to enter cheat codes, enable built-in game enhancements, and even boot backup or import games via disc-swapping or region bypass methods. how it functioned