fsck.fat 4.2 (2021-01-31)
Checking we can access the last sector of the filesystem
There are differences between boot sector and its backup.
This is mostly harmless. Differences: (offset:original/backup)
  65:01/00
  Not automatically fixing this.
Boot sector contents:
System ID "mkfs.fat"
Media byte 0xf8 (hard disk)
       512 bytes per logical sector
       512 bytes per cluster
        32 reserved sectors
First FAT starts at byte 16384 (sector 32)
         2 FATs, 32 bit entries
    516608 bytes per FAT (= 1009 sectors)
Root directory start at cluster 2 (arbitrary size)
Data area starts at byte 1049600 (sector 2050)
    129022 data clusters (66059264 bytes)
32 sectors/track, 64 heads
         0 hidden sectors
    131072 sectors total
Checking for unused clusters.
Dirty bit is set. Fs was not properly unmounted and some data may be corrupt.
 Automatically removing dirty bit.
Checking free cluster summary.

Leaving filesystem unchanged.
/data/temp/gb1/img/9.esp.img: 3 files, 219/129022 clusters