On 06/06/13 07:31 PM, piotr wrote: > I get this problem: > > # mount -t vfat -o loop,offset=512 binary.img /mnt > mount: wrong fs type, bad option, bad superblock on /dev/loop0, > missing codepage or helper program, or other error > In some cases useful info is found in syslog - try > dmesg | tail or so The offset isn't always 512: /sbin/fdisk -ul binary.img Pay attention to sector size. Multiply start by sector size to get the offset. Ben