sure its N?

Nokia-N900:~# fsck -N /dev/mmcblk0p1
fsck 1.42.5 (29-Jul-2012)
[/sbin/fsck.vfat (1) -- /home/user/MyDocs] fsck.vfat /dev/mmcblk0p1

Oh sorry forgot to mention I am on Kernel Power

Nokia-N900:~# uname -r
2.6.28.10-power53

Edit:
Analoge map bought.
Good thing I am done with mountain villages. The main Problem would be to find a locale. Where I was at there was almost noone.