posibble to boot backup w/o modchip ?

It is essential that you have your Ps-2 chipped or all you will have are games that you can't play.

You can have your Ps-2 chipped by recommended fitters at this site or just buy it and do it yourself.

http://www.playstationmods.com

also they sell mod-chips here as well.

http://www.kanection.co.uk

and just to be CHEEKY if you don't know how to back-up your games check out my site as it has helpful tutorials

http://www.psxcopyworld.co.uk