After I enable the hidden files this is the folder on the nuvi: http : img137.imageshack.us/img137/4095/garminq.jpg
The internal memory of the nuvi is L:. The used space is 3,47Gb and the free space is 115Mb.
On the SD card the used space is 608Mb ( img of Romania, Bulgaria, Greece, Turkey and Hungary) and the free space is 3,08Gb
And I don't undestend why I can't see the img of the City Europe 2011.2 that is installed in the internal memory of Nuvi.