Booting PS1 games on PS2

[D Soldier]

PS ONE CD (Silver or CD-R)

1. Boot AR2/GS2 disc 2.
2. At the main screen, select START GAME (picture 5) and then select WITHOUT CODES (picture 6).
3. Once the AR2/GS2 is asking to change the code archive (picture 7), press the EJECT button till the light changes from green to orange.
4. The CD tray will now open and you can replace the CD with your backup copy.
5. The CD tray will automatically close after about 5 seconds.
6. Wait till the the power LED changes from orange to green again and press X now to start the game.