How do you open the cheat box on Age of Empires 2 ps2?

To open the cheat box in Age of Empires II for PS2, you need to pause the game and then press the L1, L2, R1, R2 buttons simultaneously. This will bring up the cheat entry screen where you can input various cheat codes. Remember to enter the cheats carefully, as they are case-sensitive and must be typed correctly to take effect.