/dev/sdb1 on /home/flasch_voyager_p1 type vfat (rw)
mch:/home/tnt# fdisk -l /dev/sdb1

Disk /dev/sdb1: 16.2 GB, 16236670464 bytes
255 heads, 63 sectors/track, 1973 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x69642073

This doesn't look like a partition table
Probably you selected the wrong device.

     Device Boot      Start         End      Blocks   Id  System
/dev/sdb1p1   ?      104565      227215   985184692+   d  Unknown
Partition 1 does not end on cylinder boundary.
/dev/sdb1p2   ?       33918       67751   271759162+  50  OnTrack DM
Partition 2 does not end on cylinder boundary.
/dev/sdb1p3   ?       33886      170059  1093808825   68  Unknown
Partition 3 does not end on cylinder boundary.
/dev/sdb1p4   ?      179626      179629       26721   65  Novell Netware 386
Partition 4 does not end on cylinder boundary.

Partition table entries are not in disk order