[monnie]

It is possible to backup GS with clone CD but you need a no swap chip to able to use it. It will NOT work if you have a swap method. I've tested this.

Altually my friend & I had a dispute on this so we tested it & I was correct. On a no swap mod chip it worked & swap necessary chip it did not. It makes sense because you need the original GS to provide the original code that the PS2 checks. That is why there is a need to swap. After all you can't use a backup copy to swap & boot another backup copy. The reason it works on a no swap system is because the chip will provide the code rather than other systems that work by hidding the eject & tricking the PS2 into thinking that no CD has been swapped & it's still the original CD that is inside.

If you have a PSX w/a no swap chip & a PS2 w/a must swap chip you can test this theory. If you got the Gameshark 2 it comes w/2 CDs, a PSX/PS1 CD & a PS2. Backup your PSX/PS1 CD using clone CD or whatever. Then put it in your no swap chipped PSX/PS1 & it will work but then put it in a MUST swap chipped PSX/PS1 or your PS2 & it won't work! But if you can, try it in a no swap PS2 chipped system & it will work.