128MB card from old minolta dimage7 camera: ------------------------------------------- says: copyright 2002 14-mar-2014 ----------- [root@toad-sl61 philippe]# fdisk /dev/sdb WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and change display units to sectors (command 'u'). Command (m for help): p Disk /dev/sdb: 128 MB, 128188416 bytes 8 heads, 32 sectors/track, 978 cylinders Units = cylinders of 256 * 512 = 131072 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/sdb1 * 1 978 125168 6 FAT16 [root@toad-sl61 ~]# dosfsck -v /dev/sdb1 dosfsck 3.0.9 (31 Jan 2010) dosfsck 3.0.9, 31 Jan 2010, FAT32, LFN Checking we can access the last sector of the filesystem Boot sector contents: System ID "*k;+^IHC" Media byte 0xf8 (hard disk) 512 bytes per logical sector 2048 bytes per cluster 1 reserved sector First FAT starts at byte 512 (sector 1) 2 FATs, 16 bit entries 124928 bytes per FAT (= 244 sectors) Root directory starts at byte 250368 (sector 489) 512 root directory entries Data area starts at byte 266752 (sector 521) 62453 data clusters (127903744 bytes) 32 sectors/track, 8 heads 32 hidden sectors 250336 sectors total Checking for unused clusters. /dev/sdb1: 5 files, 18039/62453 clusters Also have an old 16 MB SanDisk (copyright 99) [root@toad-sl61 ~]# dosfsck -v /dev/sdb1 dosfsck 3.0.9 (31 Jan 2010) dosfsck 3.0.9, 31 Jan 2010, FAT32, LFN Checking we can access the last sector of the filesystem Boot sector contents: System ID "*D.|rIHC" Media byte 0xf8 (hard disk) 512 bytes per logical sector 4096 bytes per cluster 1 reserved sector First FAT starts at byte 512 (sector 1) 2 FATs, 12 bit entries 6144 bytes per FAT (= 12 sectors) Root directory starts at byte 12800 (sector 25) 512 root directory entries Data area starts at byte 29184 (sector 57) 3900 data clusters (15974400 bytes) 32 sectors/track, 2 heads 32 hidden sectors 31264 sectors total Checking for unused clusters. /dev/sdb1: 1 files, 0/3900 clusters