Ghost 15 - Raid 0 - Alienware Laptop

I have just purchased a new Dell Alienware laptop that has 2x 750Gb drives with Raid 0 and also have Ghost 15.

 

With my current laptop (HP Pavilion DV8)  I insert the Norton bootup disc – boot the computer, run Norton and backup my single 500Gb drive to an External USB HDD – no problems.

 

The question is: how is this done, or can this be done in a computer that has Raid 0? i.e. if I reboot with the Norton boot disc how do I back up i.e. select a Raid 0 - which will probably come up as 2 separate drives?

 

Thanks