I thought all you had to do was keep the lid button pushed down, then put in a ps1 disk as a boot disc while keeping the lid open. When it stops spinning put in the burnt or different region disc. On the goldfinger startup screen push start then your playing. As far as I know you don't need to update any of them for this feature.

Are you talking about a different feature other than playing burnt and imports? If you are I would be interested to know also.