boot.img.gz: x86 boot sector, SYSLINUX bootloader (3.11), code offset 0x58, OEM-ID " mkdosfs", sectors/cluster 8, root entries 512, Media descriptor 0xf8, sectors/FAT 239, heads 64, sectors 489472 (volumes > 32 MB) , serial number 0xdeb00001, label: "Debian Inst", FAT (16 bit)