i found this it for playing ps2 backups without a mod chip
TO PLAY CHIPPED GAMES ON PS2 WITH OUT A MOD CHIP PRESS CIRCLE 18 TIMES THEN R1 5 TIMES, THEN L1 5 TIMES AND YOU SHOULD HEAR A SOUND
NOTE
BE AT THE BROWSER AND SYSTEM CONFIGIRATION SCREEN TO DO THE CODE ABOVE)
For all Playstations 2 without mod chip
Press O 2 times R1 5 times X 7 times
All Regions 1-6 wil work
can someone in the uk comfrim this for me i would but i have not got my ps2 yet i was going to get it today but the shop did not have any in stock
many thanks PAUL