bjwebb@webb-desktop:~$ fsck.vfat -av /dev/sdf1
dosfsck 2.11 (12 Mar 2005)
dosfsck 2.11, 12 Mar 2005, FAT32, LFN
Checking we can access the last sector of the filesystem
Boot sector contents:
System ID "MSDOS5.0"
Media byte 0xf8 (hard disk)
       512 bytes per logical sector
      2048 bytes per cluster
        32 reserved sectors
First FAT starts at byte 16384 (sector 32)
         2 FATs, 32 bit entries
    499200 bytes per FAT (= 975 sectors)
Root directory start at cluster 2 (arbitrary size)
Data area starts at byte 1014784 (sector 1982)
    124743 data clusters (255473664 bytes)
63 sectors/track, 255 heads
        38 hidden sectors
    500954 sectors total
Got 496128 bytes instead of 498980 at 515584